:root {
  color-scheme: dark;
  --bg: #030711;
  --bg-2: #061326;
  --ink: #f4fbff;
  --soft: #b9c9d5;
  --muted: #748798;
  --line: rgba(188, 226, 255, 0.15);
  --panel: rgba(6, 14, 28, 0.68);
  --panel-strong: rgba(8, 17, 32, 0.88);
  --blue: #47b5ff;
  --aqua: #42ffe7;
  --green: #9dff6a;
  --violet: #7b73ff;
  --shadow: 0 36px 120px rgba(0, 0, 0, 0.55);
  --font-cn: "PingFang SC", "Hiragino Sans GB", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", sans-serif;
  --font-en: "IBM Plex Sans", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(71, 181, 255, 0.16), transparent 36%),
    radial-gradient(circle at 88% 12%, rgba(157, 255, 106, 0.1), transparent 24%),
    linear-gradient(180deg, #030711 0%, #071426 46%, #030711 100%);
  color: var(--ink);
  font-family: var(--font-cn);
  letter-spacing: 0;
}

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

button {
  color: inherit;
  font: inherit;
}

#space {
  position: fixed;
  inset: 0;
  z-index: -3;
}

.page-light {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 28%, rgba(66, 255, 231, 0.18), transparent 23%),
    radial-gradient(circle at 56% 34%, rgba(123, 115, 255, 0.18), transparent 22%),
    radial-gradient(circle at 50% 72%, rgba(157, 255, 106, 0.08), transparent 20%);
  filter: blur(2px);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.11;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, black, transparent 96%);
}

.site-header {
  position: fixed;
  top: 22px;
  left: 50%;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(1180px, calc(100vw - 48px));
  min-height: 68px;
  padding: 10px 10px 10px 18px;
  border: 1px solid rgba(208, 238, 255, 0.16);
  border-radius: 999px;
  background: rgba(3, 8, 18, 0.62);
  box-shadow: 0 20px 90px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transform: translateX(-50%);
  backdrop-filter: blur(22px);
}

.brand,
.contact-pill,
.primary-btn,
.ghost-btn,
.brief-form button {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 11px;
  font-weight: 800;
  font-family: var(--font-en);
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(157, 255, 106, 0.32);
  border-radius: 50%;
  background: rgba(2, 8, 18, 0.72);
  box-shadow: 0 0 34px rgba(66, 255, 231, 0.2);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.22);
}

.nav-links {
  display: flex;
  gap: 9px;
  align-items: center;
}

.nav-links a {
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--soft);
  font-size: 13px;
  transition: 180ms ease;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
}

.contact-pill {
  justify-self: end;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(157, 255, 106, 0.18), rgba(66, 255, 231, 0.13));
  color: #eafff7;
  font-size: 13px;
  font-weight: 800;
}

.contact-pill svg,
.primary-btn svg,
.ghost-btn svg,
.contact-panel svg,
.brief-form svg {
  width: 16px;
  height: 16px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(82px, 0.22fr) minmax(420px, 0.9fr) minmax(350px, 0.66fr);
  gap: 28px;
  width: min(1180px, calc(100vw - 72px));
  min-height: 980px;
  margin: 0 auto;
  padding: 168px 0 80px;
}

.hero-orb {
  position: absolute;
  top: 174px;
  left: 50%;
  z-index: -1;
  width: 590px;
  height: 590px;
  transform: translateX(-48%);
}

.hero-orb::before,
.hero-orb::after {
  position: absolute;
  inset: 52px;
  border-radius: 50%;
  content: "";
  background:
    radial-gradient(circle at 44% 40%, rgba(157, 255, 106, 0.54), transparent 8%),
    radial-gradient(circle at 58% 60%, rgba(66, 255, 231, 0.48), transparent 10%),
    radial-gradient(circle at 50% 50%, rgba(71, 181, 255, 0.18), transparent 48%);
  filter: blur(18px);
}

.hero-orb::after {
  inset: 124px;
  background: radial-gradient(circle, rgba(244, 251, 255, 0.18), rgba(66, 255, 231, 0.08) 42%, transparent 68%);
  filter: blur(4px);
}

.orb-shell {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(208, 238, 255, 0.2);
  border-radius: 50%;
  transform: rotateX(64deg) rotateZ(16deg);
  animation: spin 18s linear infinite;
}

.shell-b {
  inset: 54px;
  border-color: rgba(157, 255, 106, 0.26);
  animation-duration: 12s;
  animation-direction: reverse;
}

.orb-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 206px;
  height: 206px;
  border: 1px solid rgba(66, 255, 231, 0.35);
  border-radius: 50%;
  background: radial-gradient(circle at 40% 36%, rgba(157, 255, 106, 0.26), rgba(71, 181, 255, 0.18) 42%, rgba(2, 7, 15, 0.88) 72%);
  box-shadow: 0 0 100px rgba(66, 255, 231, 0.24), inset 0 0 56px rgba(71, 181, 255, 0.18);
  transform: translate(-50%, -50%);
}

.orbit {
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(66, 255, 231, 0.18);
  border-radius: 50%;
  animation: spin 22s linear infinite;
}

.orbit span {
  position: absolute;
  top: 50%;
  left: -5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 22px var(--green);
}

.orbit-b {
  inset: 94px;
  transform: rotate(62deg);
  animation-duration: 15s;
}

.orbit-c {
  inset: 148px;
  border-color: rgba(123, 115, 255, 0.24);
  transform: rotate(-28deg);
  animation-duration: 11s;
}

.level-rail {
  align-self: end;
  padding-bottom: 144px;
  color: var(--muted);
  writing-mode: vertical-rl;
}

.level-rail span {
  display: block;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.level-rail strong {
  color: rgba(244, 251, 255, 0.42);
  font-size: 56px;
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-copy {
  align-self: start;
  padding-top: 146px;
}

.eyebrow,
.section-heading span,
.ecosystem-copy span,
.contact-panel span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  font-family: var(--font-en);
  text-transform: uppercase;
}

.eyebrow::before,
.section-heading span::before,
.ecosystem-copy span::before,
.contact-panel span::before {
  width: 26px;
  height: 1px;
  background: var(--green);
  content: "";
  box-shadow: 0 0 18px rgba(157, 255, 106, 0.85);
}

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

h1 {
  max-width: 670px;
  margin: 18px 0 26px;
  font-family: var(--font-cn);
  font-size: clamp(64px, 7vw, 112px);
  line-height: 0.95;
  font-weight: 800;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-family: var(--font-cn);
  font-size: clamp(42px, 4.9vw, 76px);
  line-height: 1.04;
  font-weight: 760;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 26px;
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 520px;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.75;
}

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

.primary-btn,
.ghost-btn {
  gap: 10px;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
}

.primary-btn {
  background: linear-gradient(135deg, var(--green), var(--aqua));
  color: #06110d;
  box-shadow: 0 16px 54px rgba(66, 255, 231, 0.26);
}

.ghost-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
}

.consultant-card {
  align-self: start;
  margin-top: 108px;
  border: 1px solid rgba(208, 238, 255, 0.16);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.03)),
    rgba(5, 12, 24, 0.76);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(24px);
}

.consultant-head {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  padding: 0 18px;
  border-bottom: 1px solid rgba(208, 238, 255, 0.1);
}

.online-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}

.consultant-head span:nth-child(2) {
  font-size: 14px;
  font-weight: 900;
}

.consultant-head button {
  display: grid;
  width: 34px;
  height: 34px;
  margin-left: auto;
  place-items: center;
  border: 1px solid rgba(208, 238, 255, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}

.consultant-head svg {
  width: 15px;
  height: 15px;
}

.chat-window {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.bot-message,
.question {
  border: 1px solid rgba(208, 238, 255, 0.12);
  border-radius: 24px;
  background: rgba(2, 8, 18, 0.52);
}

.bot-message {
  padding: 18px;
}

.bot-message span,
.question p {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.bot-message p {
  margin: 10px 0 0;
  color: var(--soft);
  line-height: 1.65;
}

.question {
  display: grid;
  gap: 9px;
  padding: 18px;
}

.question p {
  margin-bottom: 8px;
  color: var(--ink);
}

.question button {
  min-height: 42px;
  border: 1px solid rgba(208, 238, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--soft);
  cursor: pointer;
  transition: 180ms ease;
}

.question button:hover,
.question button.active {
  border-color: rgba(157, 255, 106, 0.6);
  background: rgba(157, 255, 106, 0.1);
  color: var(--ink);
}

.chat-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  margin: 0 20px 20px;
  padding: 0 18px;
  border: 1px solid rgba(208, 238, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 14px;
}

.chat-input svg {
  width: 17px;
  height: 17px;
  color: var(--green);
}

.hero-bottom {
  grid-column: 2 / 4;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: end;
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid rgba(208, 238, 255, 0.13);
}

.hero-bottom p {
  max-width: 690px;
  margin-bottom: 0;
  color: rgba(244, 251, 255, 0.72);
  font-size: 23px;
  line-height: 1.45;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.signal-grid article {
  min-height: 128px;
  padding: 20px;
  border: 1px solid rgba(208, 238, 255, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
}

.signal-grid strong,
.signal-grid span {
  display: block;
}

.signal-grid strong {
  color: var(--green);
  font-size: 42px;
  line-height: 0.95;
}

.signal-grid span {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.section {
  width: min(1180px, calc(100vw - 72px));
  margin: 0 auto;
}

#services,
#cases,
#about,
#contact {
  scroll-margin-top: 120px;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 42px;
}

.framework {
  padding: 76px 0 110px;
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.framework-card,
.case-card,
.system-detail,
.contact-panel {
  border: 1px solid rgba(208, 238, 255, 0.15);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025)),
    rgba(5, 12, 24, 0.72);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
}

.framework-card {
  min-height: 330px;
  padding: 26px;
  border-radius: 28px;
}

.framework-card span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.framework-card h3 {
  margin-top: 120px;
}

.framework-card p,
.ecosystem-copy p,
.case-card p {
  color: var(--soft);
  line-height: 1.7;
}

.clients {
  padding: 40px 0 96px;
}

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

.client-logo {
  display: grid;
  min-height: 104px;
  place-items: center;
  border: 1px solid rgba(208, 238, 255, 0.14);
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 0%, rgba(157, 255, 106, 0.1), transparent 48%),
    rgba(255, 255, 255, 0.04);
  color: rgba(244, 251, 255, 0.86);
  font-size: 22px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.client-logo.en {
  font-family: var(--font-en);
  font-size: 24px;
  letter-spacing: 0.02em;
}

.fieldwork {
  padding: 46px 0 118px;
}

.fieldwork-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 16px;
}

.fieldwork-card {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  border: 1px solid rgba(208, 238, 255, 0.15);
  border-radius: 32px;
  background: rgba(5, 12, 24, 0.72);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.fieldwork-card:first-child {
  grid-row: span 2;
  min-height: 796px;
}

.fieldwork-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.04);
  transform: scale(1.02);
}

.fieldwork-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 30%, rgba(2, 7, 15, 0.9) 100%);
}

.fieldwork-card div {
  position: absolute;
  right: 26px;
  bottom: 24px;
  left: 26px;
  z-index: 2;
}

.fieldwork-card span {
  color: var(--green);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.fieldwork-card h3 {
  max-width: 620px;
  margin: 10px 0 0;
  color: var(--ink);
}

.ecosystem {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 28px;
  align-items: center;
  padding: 88px 0 120px;
  pointer-events: none;
}

.ecosystem-copy h2 {
  margin: 18px 0 24px;
}

.ecosystem-copy {
  pointer-events: none;
}

.ecosystem-copy p {
  max-width: 520px;
  font-size: 17px;
}

.system-ring {
  position: relative;
  z-index: 2;
  pointer-events: auto;
  display: grid;
  min-height: 560px;
  place-items: center;
  border: 1px solid rgba(208, 238, 255, 0.12);
  border-radius: 44px;
  background:
    radial-gradient(circle at 50% 50%, rgba(66, 255, 231, 0.18), transparent 38%),
    rgba(5, 12, 24, 0.45);
  overflow: hidden;
}

.system-ring::before,
.system-ring::after {
  position: absolute;
  border: 1px solid rgba(208, 238, 255, 0.16);
  border-radius: 50%;
  content: "";
}

.system-ring::before {
  width: 470px;
  height: 470px;
}

.system-ring::after {
  width: 278px;
  height: 278px;
  border-color: rgba(157, 255, 106, 0.2);
}

.system-ring button {
  position: absolute;
  z-index: 10;
  pointer-events: auto;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(208, 238, 255, 0.15);
  border-radius: 999px;
  background: rgba(4, 12, 24, 0.84);
  color: var(--soft);
  cursor: pointer;
  backdrop-filter: blur(14px);
  transition: 180ms ease;
}

.system-ring button:hover,
.system-ring button.active {
  border-color: rgba(157, 255, 106, 0.62);
  background: rgba(157, 255, 106, 0.1);
  color: var(--ink);
}

.system-ring button:nth-child(1) {
  top: 52px;
  left: 50%;
  transform: translateX(-50%);
}

.system-ring button:nth-child(2) {
  top: 142px;
  right: 34px;
}

.system-ring button:nth-child(3) {
  right: 58px;
  bottom: 144px;
}

.system-ring button:nth-child(4) {
  bottom: 54px;
  left: 50%;
  transform: translateX(-50%);
}

.system-ring button:nth-child(5) {
  bottom: 144px;
  left: 38px;
}

.system-ring button:nth-child(6) {
  top: 142px;
  left: 44px;
}

.system-ring button:nth-child(7) {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(66, 255, 231, 0.08);
}

.system-ring button:nth-child(8) {
  top: 50%;
  right: 100px;
  transform: translateY(-50%);
}

.system-detail {
  grid-column: 1 / 3;
  position: relative;
  z-index: 2;
  pointer-events: auto;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 30px;
  padding: 30px;
  border-radius: 30px;
}

.system-detail span {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.system-detail h3 {
  margin: 10px 0 12px;
  font-size: 36px;
}

.system-detail p {
  margin-bottom: 0;
  color: var(--soft);
  line-height: 1.7;
}

.detail-list {
  display: grid;
  gap: 10px;
}

.detail-list span {
  padding: 15px 18px;
  border: 1px solid rgba(208, 238, 255, 0.11);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--soft);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.45;
  text-transform: none;
}

.cases {
  padding: 84px 0 120px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.case-card {
  overflow: hidden;
  min-height: 520px;
  padding: 14px 14px 28px;
  border-radius: 30px;
}

.case-visual {
  position: relative;
  height: 236px;
  margin-bottom: 26px;
  overflow: hidden;
  border: 1px solid rgba(208, 238, 255, 0.13);
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 42%, rgba(66, 255, 231, 0.18), transparent 42%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent);
}

.case-visual::before,
.case-visual::after {
  position: absolute;
  content: "";
}

.visual-geo::before {
  inset: 36px 54px 36px;
  border: 1px solid rgba(157, 255, 106, 0.48);
  border-radius: 50%;
  box-shadow: inset 0 0 40px rgba(66, 255, 231, 0.16);
}

.visual-geo::after {
  top: 58px;
  left: 72px;
  width: 210px;
  height: 100px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(157, 255, 106, 0.5), rgba(66, 255, 231, 0.28), transparent);
  transform: rotate(-12deg);
}

.visual-drawing::before {
  inset: 42px 42px 56px;
  border: 1px solid rgba(71, 181, 255, 0.65);
  transform: skewY(-8deg);
}

.visual-drawing::after {
  right: 54px;
  bottom: 48px;
  width: 76px;
  height: 76px;
  border: 1px solid rgba(157, 255, 106, 0.75);
  border-radius: 50%;
}

.visual-risk::before {
  top: 44px;
  left: 62px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: conic-gradient(from 40deg, #ff6b70, rgba(255, 107, 112, 0.06), var(--aqua), var(--green), #ff6b70);
  mask: radial-gradient(circle, transparent 52%, black 54%);
}

.visual-risk::after {
  top: 88px;
  right: 50px;
  width: 130px;
  height: 92px;
  border-radius: 20px;
  background:
    linear-gradient(rgba(157, 255, 106, 0.42), rgba(157, 255, 106, 0.42)) 0 10px / 100% 16px no-repeat,
    linear-gradient(rgba(255, 107, 112, 0.5), rgba(255, 107, 112, 0.5)) 0 50px / 80% 16px no-repeat;
}

.case-card > span {
  display: block;
  margin: 0 12px 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.case-card h3,
.case-card p {
  margin-right: 12px;
  margin-left: 12px;
}

.case-points {
  display: grid;
  gap: 9px;
  margin: 22px 12px 0;
  padding: 0;
  list-style: none;
}

.case-points li {
  padding: 12px 14px;
  border: 1px solid rgba(208, 238, 255, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: rgba(244, 251, 255, 0.72);
  font-size: 14px;
  line-height: 1.5;
}

.insights {
  padding: 80px 0 120px;
}

.insight-list {
  border-top: 1px solid rgba(208, 238, 255, 0.14);
}

.insight-row {
  display: grid;
  grid-template-columns: 80px 1fr 48px;
  gap: 20px;
  align-items: center;
  min-height: 132px;
  border-bottom: 1px solid rgba(208, 238, 255, 0.14);
}

.insight-row span {
  color: var(--green);
  font-weight: 900;
}

.insight-row h3 {
  margin-bottom: 0;
  font-size: 34px;
}

.insight-row svg {
  width: 22px;
  height: 22px;
  color: var(--green);
}

.delivery {
  padding: 60px 0 100px;
}

.delivery-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.delivery-track article {
  position: relative;
  min-height: 260px;
  padding: 26px;
  border: 1px solid rgba(208, 238, 255, 0.15);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.024)),
    rgba(5, 12, 24, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.delivery-track article::before {
  position: absolute;
  top: 38px;
  right: -14px;
  width: 28px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--green), var(--aqua));
}

.delivery-track article:last-child::before {
  display: none;
}

.delivery-track span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.delivery-track h3 {
  margin-top: 92px;
}

.delivery-track p {
  color: var(--soft);
  line-height: 1.7;
}

.contact {
  padding: 80px 0 100px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 34px;
  align-items: start;
  padding: 42px;
  border-radius: 36px;
  background:
    radial-gradient(circle at 80% 20%, rgba(157, 255, 106, 0.16), transparent 32%),
    rgba(5, 12, 24, 0.78);
}

.contact-panel h2 {
  margin-top: 18px;
  max-width: 760px;
}

.brief-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.brief-form label {
  display: grid;
  gap: 8px;
}

.brief-form label span {
  color: var(--soft);
  font-size: 13px;
  font-weight: 800;
}

.brief-form .full {
  grid-column: 1 / -1;
}

.brief-form input,
.brief-form select,
.brief-form textarea {
  width: 100%;
  border: 1px solid rgba(208, 238, 255, 0.14);
  border-radius: 18px;
  background: rgba(2, 8, 18, 0.52);
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.brief-form input,
.brief-form select {
  height: 52px;
  padding: 0 16px;
}

.brief-form textarea {
  min-height: 118px;
  padding: 15px 16px;
  resize: vertical;
}

.brief-form input::placeholder,
.brief-form textarea::placeholder {
  color: rgba(185, 201, 213, 0.48);
}

.brief-form input:focus,
.brief-form select:focus,
.brief-form textarea:focus {
  border-color: rgba(157, 255, 106, 0.62);
  box-shadow: 0 0 0 4px rgba(157, 255, 106, 0.08);
}

.brief-form button {
  grid-column: 1 / -1;
  justify-content: center;
  gap: 10px;
  min-height: 58px;
  border: 0;
  padding: 0 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green), var(--aqua));
  color: #06110d;
  font-weight: 900;
  cursor: pointer;
}

.brief-form button.submitted {
  background: linear-gradient(135deg, rgba(157, 255, 106, 0.9), rgba(66, 255, 231, 0.82));
}

.site-footer {
  display: flex;
  justify-content: space-between;
  width: min(1180px, calc(100vw - 72px));
  margin: 0 auto;
  padding: 30px 0 44px;
  border-top: 1px solid rgba(208, 238, 255, 0.13);
  color: var(--muted);
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 680ms ease, transform 680ms ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 980px) {
  .site-header {
    top: 14px;
    grid-template-columns: auto 1fr;
    width: calc(100vw - 28px);
    min-height: 60px;
  }

  .nav-links {
    display: none;
  }

  .contact-pill {
    min-height: 44px;
    padding: 0 14px;
  }

  .hero,
  .section,
  .site-footer {
    width: calc(100vw - 32px);
  }

  .hero {
    display: block;
    min-height: auto;
    padding: 118px 0 56px;
  }

  .hero-orb {
    top: 324px;
    left: 50%;
    width: 360px;
    height: 360px;
    opacity: 0.82;
  }

  .level-rail {
    display: none;
  }

  .hero-copy {
    padding-top: 0;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(54px, 15vw, 72px);
    line-height: 1.02;
  }

  h2 {
    font-size: clamp(40px, 11vw, 58px);
  }

  .hero-copy p {
    max-width: 100%;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
  }

  .primary-btn,
  .ghost-btn {
    justify-content: center;
    width: 100%;
  }

  .consultant-card {
    margin-top: 310px;
  }

  .hero-bottom {
    display: block;
    margin-top: 28px;
  }

  .hero-bottom p {
    font-size: 19px;
  }

  .signal-grid {
    grid-template-columns: 1fr;
    margin-top: 18px;
  }

  .signal-grid article {
    min-height: 94px;
  }

  .section-heading,
  .ecosystem,
  .system-detail,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 18px;
  }

  .framework {
    padding: 54px 0 76px;
  }

  .framework-grid,
  .case-grid,
  .client-wall,
  .delivery-track {
    grid-template-columns: 1fr;
  }

  .clients {
    padding: 34px 0 72px;
  }

  .client-logo {
    min-height: 82px;
    font-size: 19px;
  }

  .fieldwork {
    padding: 36px 0 76px;
  }

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

  .fieldwork-card,
  .fieldwork-card:first-child {
    grid-row: auto;
    min-height: 330px;
  }

  .framework-card {
    min-height: 232px;
  }

  .framework-card h3 {
    margin-top: 70px;
  }

  .ecosystem {
    padding: 60px 0 78px;
  }

  .system-ring {
    display: flex;
    min-height: auto;
    flex-wrap: wrap;
    gap: 10px;
    align-content: center;
    justify-content: center;
    padding: 72px 20px;
    min-height: 520px;
    border-radius: 32px;
  }

  .system-ring::before {
    width: 330px;
    height: 330px;
  }

  .system-ring::after {
    width: 204px;
    height: 204px;
  }

  .system-ring button {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    min-height: 40px;
    padding: 0 13px;
    font-size: 12px;
    transform: none !important;
  }

  .system-detail {
    padding: 22px;
  }

  .cases,
  .insights {
    padding: 58px 0 78px;
  }

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

  .insight-row {
    grid-template-columns: 44px 1fr 28px;
    min-height: 126px;
  }

  .insight-row h3 {
    font-size: 22px;
  }

  .delivery {
    padding: 48px 0 74px;
  }

  .delivery-track {
    gap: 12px;
  }

  .delivery-track article {
    min-height: 210px;
  }

  .delivery-track article::before {
    display: none;
  }

  .delivery-track h3 {
    margin-top: 58px;
  }

  .contact {
    padding: 54px 0 74px;
  }

  .contact-panel {
    align-items: start;
    padding: 26px;
  }

  .brief-form {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .brief-form button {
    justify-content: center;
    width: 100%;
  }

  .site-footer {
    display: grid;
    gap: 8px;
    padding-bottom: 34px;
  }
}

@media (max-width: 420px) {
  .brand span:last-child {
    font-size: 14px;
  }

  .contact-pill {
    font-size: 12px;
  }

  h1 {
    font-size: 52px;
  }

  .consultant-card {
    margin-top: 286px;
  }

  .chat-window {
    padding: 16px;
  }

  .system-ring {
    min-height: 500px;
  }
}
