:root {
  --bg: #ffffff;
  --ink: #050505;
  --muted: #6f727c;
  --light: #f7f8fb;
  --line: #e5e7ef;
  --line-strong: #d9dce8;
  --blue: #3859ff;
  --blue-soft: #e8edff;
  --panel: rgba(255, 255, 255, 0.78);
  --shadow: 0 22px 70px rgba(32, 44, 90, 0.09);
  --serif: "Songti SC", "Noto Serif SC", STSong, SimSun, serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 55% 9%, rgba(69, 93, 255, 0.06), transparent 28%),
    linear-gradient(180deg, #fff 0%, #fbfcff 40%, #fff 100%);
  font-family: var(--sans);
  overflow-x: hidden;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.of-icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 72px;
  display: grid;
  grid-template-columns: 240px 1fr;
  align-items: center;
  padding: 0 52px;
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(18, 22, 34, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  color: #050505;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 172px;
  height: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(32px, 4.4vw, 76px);
  padding-right: 12px;
}

.nav-link {
  position: relative;
  padding: 24px 0;
  border: 0;
  color: #111;
  background: transparent;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 13px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  transform: translateX(-50%) scale(0);
  transition: transform 180ms ease;
}

.nav-link.is-active::after {
  transform: translateX(-50%) scale(1);
}

.header-cta,
.primary-button,
.submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 48px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: #030303;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 14px 30px rgba(0, 0, 0, 0.15);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.header-cta {
  justify-self: end;
  min-width: 130px;
}

.section {
  position: relative;
  min-height: 100svh;
  padding: 112px 4vw 80px;
  scroll-margin-top: 72px;
  overflow: hidden;
}

.hero-section {
  min-height: 820px;
  padding-top: 150px;
}

.hero-section::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 70px 0 0;
  background: url("./assets/hero-landscape.png") center bottom / cover no-repeat;
  opacity: 0.98;
  pointer-events: none;
}

.hero-section::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 70px 0 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.86) 0%, rgba(255,255,255,0.7) 25%, rgba(255,255,255,0.18) 53%, rgba(255,255,255,0.02) 100%),
    linear-gradient(180deg, rgba(255,255,255,0.38) 0%, rgba(255,255,255,0.1) 25%, rgba(255,255,255,0) 58%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 4;
  width: min(620px, 48vw);
  margin-left: 1vw;
}

.brand-line {
  margin: 0 0 22px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(58px, 5.8vw, 108px);
  line-height: 0.98;
  font-weight: 500;
  letter-spacing: 0;
}

.hero-kicker {
  margin: 26px 0 16px;
  font-size: 28px;
  line-height: 1.2;
}

.hero-desc {
  margin: 0 0 30px;
  max-width: 560px;
  color: #777a85;
  font-size: 18px;
  line-height: 1.9;
}

.hero-visual {
  position: absolute;
  z-index: 3;
  top: 118px;
  right: 1.5vw;
  width: min(760px, 52vw);
  height: auto;
}

.hero-orbit-img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
  opacity: 0.96;
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0%, #000 9%, #000 91%, transparent 100%),
    linear-gradient(180deg, transparent 0%, #000 8%, #000 90%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0%, #000 9%, #000 91%, transparent 100%),
    linear-gradient(180deg, transparent 0%, #000 8%, #000 90%, transparent 100%);
  mask-composite: intersect;
}

.orbit-field {
  position: absolute;
  inset: 0;
}

.orbit-field::before,
.orbit-field::after {
  content: "";
  position: absolute;
  left: 18%;
  top: 19%;
  width: 72%;
  height: 46%;
  border: 1px dashed rgba(54, 60, 72, 0.34);
  border-radius: 50%;
  transform: rotate(-8deg);
}

.orbit-field::after {
  left: 24%;
  top: 16%;
  width: 62%;
  height: 56%;
  opacity: 0.55;
  transform: rotate(10deg);
}

.orbit-field .orbital-core {
  position: absolute;
  left: 52%;
  top: 28%;
  display: grid;
  place-items: center;
  width: 164px;
  height: 164px;
  border-radius: 50%;
  color: var(--blue);
  background:
    radial-gradient(circle at 40% 35%, rgba(255, 255, 255, 1), rgba(236, 240, 255, 0.94) 55%, rgba(214, 222, 255, 0.5));
  box-shadow: 0 0 60px rgba(65, 88, 255, 0.18);
  text-align: center;
  font-size: 20px;
  line-height: 1.2;
  transform: translateX(-50%);
}

.orbit-dot {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #6d717b;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.88);
}

.dot-blue {
  background: var(--blue);
}

.d1 { left: 32%; top: 28%; }
.d2 { left: 21%; top: 49%; }
.d3 { left: 59%; top: 31%; }
.d4 { left: 66%; top: 68%; }
.d5 { left: 83%; top: 52%; }

.orbit-label {
  position: absolute;
  margin: 0;
  color: #111;
  font-size: 14px;
  line-height: 1.25;
}

.orbit-label span {
  color: #343842;
}

.people { left: 18%; top: 24%; }
.employees { right: 1%; top: 29%; }
.aios { left: 28%; bottom: 22%; }
.outcomes { right: 0; bottom: 30%; }

.explorer {
  position: absolute;
  left: 20%;
  bottom: 25px;
  width: 92px;
  height: 180px;
  filter: grayscale(1) contrast(1.12);
  display: none;
}

.explorer .helmet,
.explorer .body,
.explorer .pack,
.explorer .leg {
  position: absolute;
  background: linear-gradient(145deg, #202124, #a4a6aa 55%, #252629);
  box-shadow: inset -8px -8px 18px rgba(0, 0, 0, 0.25);
}

.explorer .helmet {
  left: 33px;
  top: 0;
  width: 36px;
  height: 34px;
  border-radius: 45% 45% 42% 42%;
}

.explorer .body {
  left: 24px;
  top: 32px;
  width: 48px;
  height: 74px;
  border-radius: 22px 22px 16px 16px;
}

.explorer .pack {
  left: 4px;
  top: 42px;
  width: 34px;
  height: 58px;
  border-radius: 10px;
}

.explorer .leg {
  bottom: 0;
  width: 18px;
  height: 76px;
  border-radius: 12px;
}

.explorer .leg.left { left: 28px; transform: rotate(5deg); }
.explorer .leg.right { right: 20px; transform: rotate(-8deg); }

.mountains {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 0;
  height: 230px;
  opacity: 0.68;
  background:
    linear-gradient(175deg, transparent 0 38%, rgba(200, 205, 215, 0.42) 39%, transparent 40%) 0 10px / 38% 100% repeat-x,
    linear-gradient(165deg, transparent 0 50%, rgba(172, 177, 187, 0.72) 51%, transparent 52%) 0 0 / 48% 100% repeat-x,
    linear-gradient(186deg, transparent 0 44%, rgba(118, 124, 136, 0.62) 45%, rgba(246, 247, 250, 0.8) 59%, transparent 60%) center bottom / 70% 100% no-repeat;
  filter: blur(0.2px);
  display: none;
}

.section-head {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-head.align-left {
  margin-left: 0;
  text-align: left;
}

.section-index {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--blue);
  font-size: 18px;
  font-weight: 600;
}

.section-head h2 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: clamp(46px, 5vw, 86px);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: 0;
}

.section-head p {
  margin: 0;
  color: #6f727c;
  font-size: 20px;
  line-height: 1.7;
}

.section-head .lead {
  color: #0d0d0f;
  font-size: 30px;
  line-height: 1.25;
  margin-bottom: 18px;
}

.system-section {
  min-height: 1120px;
  padding-top: 104px;
  color: #f4f7fb;
  background:
    linear-gradient(180deg, rgba(2, 3, 5, 0.24) 0%, rgba(2, 3, 5, 0.48) 72%, rgba(2, 3, 5, 0.82) 100%),
    url("./assets/contact-space.png") center / cover no-repeat;
}

.system-section::before {
  display: none;
}

.system-section .section-head {
  max-width: 1080px;
}

.system-section .section-head h2 {
  color: #f7f9fd;
  font-family: var(--sans);
  font-size: clamp(34px, 3.2vw, 58px);
}

.system-section .section-head > p:not(.system-description) {
  color: rgba(225, 232, 243, 0.78);
  font-size: 20px;
}

.system-description {
  max-width: 860px;
  margin: 16px auto 0 !important;
  color: rgba(191, 203, 220, 0.66) !important;
  font-size: 15px !important;
  line-height: 1.8 !important;
}

.system-kicker {
  display: inline-block;
  margin-bottom: 18px;
  color: rgba(232, 238, 248, 0.86);
  font-size: 18px;
  font-weight: 600;
}

.org-flow {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1.35fr) minmax(0, 1fr);
  grid-template-rows: 116px 166px 166px;
  gap: 28px 42px;
  max-width: 1120px;
  min-height: 504px;
  margin: 34px auto 0;
  align-items: center;
}

.flow-card {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
  height: 108px;
  min-height: 0;
  padding: 20px 24px;
  border: 1px solid rgba(151, 170, 196, 0.38);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(18, 25, 35, 0.92), rgba(5, 9, 15, 0.9));
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.28), inset 0 0 24px rgba(137, 165, 203, 0.04);
}

.flow-card > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flow-card h3 {
  margin: 0 0 8px;
  color: #f4f7fb;
  font-size: 18px;
  font-weight: 600;
}

.flow-card p {
  margin: 0;
  color: rgba(209, 220, 237, 0.72);
  font-size: 14px;
  line-height: 1.55;
}

.flow-symbol {
  flex: 0 0 50px;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  overflow: hidden;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 48%, #0d2e63 0%, #08204a 54%, #061329 100%);
  box-shadow: 0 0 18px rgba(43, 111, 255, 0.22);
}

.flow-symbol img {
  display: block;
  width: 50px;
  height: 50px;
  object-fit: contain;
  mix-blend-mode: screen;
}

.data-card { grid-column: 2; grid-row: 1; }
.context-card { grid-column: 1; grid-row: 2; }
.human-card { grid-column: 3; grid-row: 2; }
.result-card { grid-column: 1; grid-row: 3; }
.ai-card { grid-column: 3; grid-row: 3; }

.org-core {
  position: relative;
  z-index: 4;
  grid-column: 2;
  grid-row: 2 / 4;
  justify-self: center;
  width: 290px;
  height: 290px;
  display: grid;
  place-items: center;
}

.org-core img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  mix-blend-mode: screen;
}

.org-core strong {
  position: relative;
  z-index: 2;
  color: #f6f9ff;
  font-size: 24px;
  line-height: 1.35;
  text-align: center;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.8);
}

.org-connectors {
  position: absolute;
  z-index: 1;
  inset: 55px 120px 55px;
  border: 1px dashed rgba(145, 165, 193, 0.35);
  border-radius: 50%;
  pointer-events: none;
}

.system-runtime-note {
  position: relative;
  z-index: 3;
  max-width: 940px;
  margin: 28px auto 26px;
  color: rgba(214, 224, 239, 0.76);
  font-size: 16px;
  line-height: 1.7;
  text-align: center;
}

.system-section .capability-tags {
  position: relative;
  z-index: 3;
  max-width: 1120px;
  margin: 0 auto;
}

.system-map {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.78fr 1.22fr 1.08fr 0.82fr;
  gap: clamp(26px, 2.7vw, 56px);
  max-width: 1840px;
  margin: 0 auto;
  padding: 58px 0 174px;
}

.map-title {
  position: absolute;
  top: 0;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #f3f6fb;
  font-size: clamp(24px, 1.65vw, 34px);
  font-weight: 700;
  transform: translateX(-50%);
  white-space: nowrap;
}

.map-title span {
  display: block;
  width: 150px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(152, 166, 189, 0.42) 70%, var(--blue));
}

.map-title span:last-child {
  transform: scaleX(-1);
}

.map-column,
.map-core,
.worker-card,
.flywheel,
.product-card,
.scenario-card,
.highlight-card,
.contact-modal {
  border: 1px solid rgba(126, 145, 171, 0.3);
  background: rgba(12, 17, 25, 0.86);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
}

.map-column,
.map-core {
  border-radius: 22px;
}

.map-column {
  padding: 32px 26px;
}

.map-column h3,
.map-core h3,
.worker-card h3 {
  margin: 0 0 18px;
  text-align: center;
  font-size: clamp(18px, 1.35vw, 28px);
}

.map-column ul {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.map-column li {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border: 1px solid rgba(126, 145, 171, 0.24);
  border-radius: 8px;
  background: rgba(5, 9, 15, 0.72);
  color: rgba(229, 236, 247, 0.82);
  font-size: clamp(16px, 1.1vw, 23px);
}

.map-column li::before {
  content: "";
  width: 23px;
  height: 23px;
  border: 2px solid rgba(143, 161, 186, 0.7);
  border-radius: 5px;
  opacity: 0.82;
}

.map-core {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  padding: 54px 46px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.generated-visual {
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
}

.generated-visual img {
  position: absolute;
  max-width: none;
  user-select: none;
  pointer-events: none;
}

.generated-core-visual {
  width: min(420px, 90%);
  height: 300px;
  margin: 4px auto 26px;
  border-radius: 18px;
}

.generated-core-visual img {
  left: -20px;
  top: 10px;
  width: 540px;
}

.map-core p {
  margin: 0 auto;
  max-width: 440px;
  padding: 24px 22px;
  border-radius: 10px;
  background: rgba(5, 9, 15, 0.78);
  color: rgba(190, 203, 222, 0.72);
  font-size: clamp(14px, 1vw, 20px);
  line-height: 1.9;
  text-align: center;
}

.worker-stack {
  display: grid;
  align-content: center;
  gap: 50px;
  transform: translateY(80px);
}

.generated-human-visual,
.generated-ai-visual {
  width: 170px;
  height: 128px;
  margin: 0 auto 22px;
  border-radius: 20px;
}

.generated-human-visual img,
.generated-ai-visual img {
  width: 430px;
  height: auto;
  top: -4px;
}

.generated-human-visual img { left: -230px; }
.generated-ai-visual img { left: -230px; top: -105px; }

.system-map .flow-line,
.system-map .feedback-line {
  display: none;
}

.worker-card {
  min-height: 310px;
  padding: 36px 28px;
  border-radius: 18px;
}

.avatar {
  width: 92px;
  height: 92px;
  margin: 0 auto 28px;
  border-radius: 50%;
  border: 2px solid #111;
  background: radial-gradient(circle at 50% 36%, #fff, #f2f4f9 70%);
  position: relative;
}

.human-avatar::after,
.ai-avatar::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 15px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #111;
}

.human-avatar::before,
.ai-avatar::before {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 9px;
  height: 22px;
  border: 2px solid #111;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
}

.ai-avatar {
  border-radius: 18px;
}

.ai-avatar::after {
  background: #111;
  box-shadow: 18px 0 0 #111;
  width: 5px;
  height: 5px;
  left: 18px;
  right: auto;
  top: 25px;
  border: 0;
}

.worker-tags {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.worker-tags span {
  padding: 14px 18px;
  border: 1px solid rgba(126, 145, 171, 0.24);
  border-radius: 9px;
  background: rgba(5, 9, 15, 0.72);
  color: rgba(229, 236, 247, 0.82);
  font-size: clamp(14px, 0.92vw, 19px);
}

.flow-line {
  position: absolute;
  height: 1px;
  border-top: 1px dashed rgba(83, 87, 98, 0.45);
}

.flow-line::after {
  content: "→";
  position: absolute;
  right: -18px;
  top: -13px;
  color: #444852;
  font-size: 26px;
}

.flow-line.one {
  left: 18%;
  top: 318px;
  width: 10%;
}

.flow-line.two {
  left: 52%;
  top: 318px;
  width: 7%;
}

.feedback-line {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 108px;
  height: 1px;
  border-top: 1px solid rgba(98, 103, 114, 0.44);
}

.feedback-line::before,
.feedback-line::after {
  content: "";
  position: absolute;
  top: -24px;
  width: 1px;
  height: 24px;
  background: rgba(98, 103, 114, 0.44);
}

.feedback-line::before { left: 0; }
.feedback-line::after { right: 0; }

.flywheel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 36px 58px;
  border-radius: 12px;
}

.flywheel div {
  position: relative;
  display: grid;
  gap: 7px;
  padding-left: 70px;
}

.flywheel .of-icon {
  position: absolute;
  left: 0;
  top: 2px;
  width: 48px;
  height: 48px;
  padding: 11px;
  border-radius: 50%;
  color: var(--blue);
  background: radial-gradient(circle, rgba(59, 89, 255, 0.4), rgba(234, 238, 255, 0.9) 62%);
  box-shadow: 0 0 24px rgba(59, 89, 255, 0.2);
}

.flywheel strong {
  font-size: clamp(17px, 1.1vw, 23px);
}

.flywheel span {
  color: #7a7f8b;
  font-size: clamp(13px, 0.85vw, 18px);
  line-height: 1.5;
}

.capability-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px auto 0;
}

.capability-tags span {
  padding: 11px 18px;
  border: 1px solid rgba(82, 126, 255, 0.48);
  border-radius: 999px;
  color: rgba(226, 235, 249, 0.84);
  background: rgba(11, 17, 27, 0.84);
  font-size: 14px;
}

.platform-section::before,
.scenarios-section::before,
.technology-section::before,
.final-section::before {
  content: "";
  position: absolute;
  inset: 22% -8% auto;
  height: 360px;
  background: linear-gradient(170deg, transparent 0 48%, rgba(197, 202, 214, 0.28) 49%, transparent 50%) 0 0 / 38% 100% repeat-x;
  opacity: 0.8;
  pointer-events: none;
}

.platform-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.06fr 1.2fr 1.06fr;
  grid-template-rows: auto 170px 170px;
  gap: 30px;
  max-width: 1840px;
  margin: 0 auto;
  min-height: 720px;
}

.platform-grid .section-head {
  grid-column: 1 / 2;
}

.platform-section .section-head h2 {
  font-size: clamp(56px, 4.9vw, 78px);
}

.platform-section .section-head .lead {
  max-width: 470px;
  font-size: 28px;
}

.stack-visual {
  position: relative;
  grid-column: 2 / 3;
  grid-row: 1 / 4;
  min-height: 650px;
}

.stack-visual img {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(690px, 52vw);
  max-width: none;
  transform: translate(-50%, -45%);
  filter: drop-shadow(0 30px 60px rgba(37, 45, 75, 0.08));
}

.stack-label {
  position: absolute;
  color: #4b4f59;
  font-size: 20px;
  transform: rotate(8deg);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
  display: none;
}

.label-oasis { left: 42%; top: 48%; }
.label-world { left: 35%; top: 59%; }
.label-twin { left: 40%; top: 70%; }
.label-station { left: 38%; top: 81%; }

.product-card {
  position: relative;
  z-index: 3;
  min-width: 0;
  min-height: 170px;
  padding: 26px 28px 22px 118px;
  border-radius: 16px;
  overflow: hidden;
}

.product-card h3 {
  margin: 0 0 9px;
  color: var(--blue);
  font-size: 19px;
}

.product-card strong {
  display: block;
  margin-bottom: 12px;
  font-size: 18px;
}

.product-card p {
  margin: 0;
  color: #707581;
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.product-card.oasis { grid-column: 1 / 2; grid-row: 2 / 3; }
.product-card.twin { grid-column: 1 / 2; grid-row: 3 / 4; }
.product-card.world { grid-column: 3 / 4; grid-row: 2 / 3; }
.product-card.station { grid-column: 3 / 4; grid-row: 3 / 4; }

.icon-node {
  display: grid;
  place-items: center;
  position: absolute;
  width: 58px;
  height: 58px;
  left: 28px;
  top: 50%;
  margin-left: 0;
  transform: translateY(-50%);
  border-radius: 50%;
  border: 2px solid rgba(62, 85, 255, 0.52);
  background: radial-gradient(circle, rgba(62, 85, 255, 0.16), rgba(255, 255, 255, 0.96) 70%);
  box-shadow: 0 0 28px rgba(62, 85, 255, 0.18);
  color: var(--blue);
}

.icon-node .of-icon {
  width: 30px;
  height: 30px;
}

.emphasis-row {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1840px;
  margin: 22px auto 0;
}

.emphasis-row div {
  min-height: 106px;
  padding: 34px 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 12px 36px rgba(38, 47, 84, 0.06);
  font-size: 22px;
}

.emphasis-row div::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-top: 20px;
  background: var(--blue);
}

.scenario-grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 12px;
  max-width: 1600px;
  margin: 0 auto;
}

.scenario-card {
  position: relative;
  min-height: 0;
  aspect-ratio: 2.35 / 1;
  padding: 20px 18px;
  border: 1px solid rgba(164, 188, 215, 0.28);
  border-radius: 5px;
  overflow: hidden;
  background: #0b1017;
  box-shadow: none;
}

.scenarios-section {
  min-height: 390px;
  padding: 54px 24px 54px;
  color: #f5f8ff;
  background: #020305;
}

.scenarios-section::before {
  inset: 0;
  height: 100%;
  opacity: 0.5;
  background:
    radial-gradient(circle at 10% 12%, rgba(130, 164, 196, 0.28) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 82%, rgba(130, 164, 196, 0.22) 0 2px, transparent 3px),
    linear-gradient(180deg, transparent 0 78%, rgba(112, 143, 174, 0.1) 79%, transparent 80%);
  background-size: 340px 240px, 420px 280px, 100% 100%;
}

.scenarios-section .section-head p,
.scenarios-section .scenario-note {
  color: rgba(222, 234, 255, 0.72);
}

.scenarios-section .section-head {
  max-width: 1600px;
  margin: 0 auto 34px;
  text-align: center;
}

.scenarios-section .section-index {
  display: none;
}

.scenarios-section .section-head h2 {
  color: #f8fbff;
  margin-bottom: 8px;
  font-family: var(--sans);
  font-size: 30px;
  font-weight: 700;
}

.scenarios-section .section-head p {
  font-size: 13px;
  line-height: 1.4;
}

.scenario-card h3 {
  margin: 0 0 8px;
  position: relative;
  z-index: 2;
  color: #f6fbff;
  font-size: 16px;
  font-weight: 700;
}

.scenario-card p {
  margin: 0;
  position: relative;
  z-index: 2;
  color: rgba(221, 233, 255, 0.72);
  font-size: 11px;
  line-height: 1.45;
}

.scenario-art {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  opacity: 1;
  background-size: cover;
  background-repeat: no-repeat;
  z-index: 0;
}

.scenario-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(2, 7, 12, 0.8) 0%, rgba(2, 7, 12, 0.28) 44%, rgba(2, 7, 12, 0.04) 100%);
}

.more-field::after {
  content: "•••";
  position: absolute;
  left: 50%;
  top: 45%;
  color: rgba(255, 255, 255, 0.96);
  font-size: 36px;
  transform: translate(-50%, -50%);
}

.avatar-field { background-position: 0 0; }
.code-field { background-position: 50% 0; }
.factory-field { background-position: 100% 0; }
.globe-field { background-position: 0 100%; }
.service-field { background-image: url("./assets/scenario-service.png"); background-position: center; }
.more-field { background-position: 100% 100%; }

.avatar-field { background-image: url("./assets/scenario-customer.png"); }
.code-field { background-image: url("./assets/scenario-finance.png"); }
.factory-field { background-image: url("./assets/scenario-factory.png"); }
.globe-field { background-image: url("./assets/scenario-supply.png"); }
.more-field { background-image: url("./assets/scenario-bio.png"); }

.scenario-card h3,
.scenario-card p {
  position: relative;
  z-index: 2;
}

.scenario-card::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 13, 20, 0.08) 0%, rgba(4, 13, 20, 0.02) 54%, rgba(4, 13, 20, 0.5) 100%);
  pointer-events: none;
}

.scenario-note {
  position: relative;
  z-index: 3;
  margin: 34px 0 0;
  text-align: center;
  display: none;
}

.scenario-note::after {
  content: "";
  display: block;
  width: 100%;
  max-width: 1840px;
  height: 28px;
  margin: 26px auto 0;
  background: radial-gradient(circle at center, #39c9ff 0 5px, rgba(0, 188, 255, 0.2) 6px 11px, transparent 12px), linear-gradient(175deg, transparent 0 50%, rgba(90, 194, 255, 0.55) 51%, transparent 53%);
}

.scenario-card.customer,
.scenario-card.dev,
.scenario-card.production,
.scenario-card.supply,
.scenario-card.service,
.scenario-card.more {
  grid-column: auto;
  grid-row: auto;
}

.technology-section {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(36px, 4vw, 82px);
  min-height: 940px;
}

.tech-left,
.tech-highlights {
  position: relative;
  z-index: 3;
}

.pyramid {
  position: absolute;
  left: -20px;
  top: 265px;
  width: 560px;
  height: 500px;
}

.pyramid img {
  width: 670px;
  max-width: none;
  transform: translate(-54px, -18px);
  filter: drop-shadow(0 26px 56px rgba(35, 45, 80, 0.08));
}

.tech-stack-copy {
  position: relative;
  margin-left: min(520px, 44vw);
  padding-top: 72px;
  display: grid;
  gap: 46px;
  max-width: 430px;
}

.tech-stack-copy div {
  position: relative;
  min-height: 140px;
}

.line-dot {
  position: absolute;
  left: -160px;
  top: 12px;
  width: 150px;
  height: 1px;
  background: linear-gradient(90deg, rgba(56, 89, 255, 0.42), var(--blue));
}

.line-dot::after {
  content: "";
  position: absolute;
  right: -5px;
  top: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
}

.tech-stack-copy h3 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.35;
}

.tech-stack-copy strong {
  display: block;
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 17px;
}

.tech-stack-copy p {
  margin: 0;
  color: #1f222a;
  font-size: 16px;
  line-height: 1.65;
}

.tech-highlights {
  padding-top: 40px;
}

.tech-highlights > h3 {
  margin: 0 0 24px;
  font-size: 24px;
}

.highlight-card {
  position: relative;
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 28px;
  align-items: center;
  min-height: 205px;
  margin-bottom: 22px;
  padding: 30px 36px;
  border-radius: 14px;
}

.highlight-card > span {
  position: absolute;
  left: 32px;
  top: 28px;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--blue);
  background: #fff;
  box-shadow: 0 0 26px rgba(56, 89, 255, 0.2);
  font-size: 23px;
  font-weight: 700;
}

.highlight-card h4 {
  margin: 0 0 18px;
  font-size: 23px;
  line-height: 1.35;
}

.highlight-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0 0 0 18px;
  color: #5f6470;
  font-size: 15px;
  line-height: 1.55;
}

.highlight-card li::marker {
  color: var(--blue);
}

.highlight-art {
  width: 120px;
  height: 120px;
  margin-left: 38px;
  border-radius: 28px;
  background: radial-gradient(circle, rgba(56, 89, 255, 0.5), rgba(244, 247, 255, 0.86) 30%, rgba(255, 255, 255, 0));
  position: relative;
}

.highlight-art::before,
.highlight-art::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(115, 122, 140, 0.33);
}

.highlight-art.cubes::before {
  inset: 32px;
  box-shadow: -30px -18px 0 -8px rgba(215, 220, 235, 0.9), 30px -18px 0 -8px rgba(215, 220, 235, 0.9), -30px 22px 0 -8px rgba(215, 220, 235, 0.9), 30px 22px 0 -8px rgba(215, 220, 235, 0.9);
  transform: rotate(45deg);
}

.highlight-art.atom::before,
.highlight-art.atom::after {
  left: 8px;
  right: 8px;
  top: 42px;
  height: 34px;
  border-radius: 50%;
}

.highlight-art.atom::after {
  transform: rotate(64deg);
}

.highlight-art.device::before {
  left: 48px;
  top: 20px;
  width: 42px;
  height: 76px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(70, 77, 92, 0.55), rgba(255, 255, 255, 0.25));
}

.highlight-art.device::after {
  left: 18px;
  top: 58px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--blue), transparent 62%);
}

.tech-note {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 32px;
  margin: 0;
  text-align: center;
  color: #22252d;
  font-size: 20px;
  line-height: 1.6;
}

.tech-note span {
  color: var(--blue);
}

.final-section {
  min-height: max(620px, calc(100vh - 72px));
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(640px, 1.45fr);
  align-items: center;
  gap: 48px;
  padding: 58px max(24px, 4vw) 82px;
  color: #f5f7fb;
  background: #02060d url("./assets/contact-space.png") center / cover no-repeat;
}

.final-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(2, 6, 13, 0.08) 0%, rgba(2, 6, 13, 0.16) 46%, rgba(2, 6, 13, 0.28) 100%);
  pointer-events: none;
}

.final-copy,
.inline-contact-panel {
  position: relative;
  z-index: 2;
}

.final-copy {
  align-self: center;
  max-width: 360px;
}

.final-section h2 {
  position: relative;
  z-index: 3;
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(34px, 3.2vw, 52px);
  line-height: 1.15;
  font-weight: 700;
}

.final-section p {
  position: relative;
  z-index: 3;
  max-width: 350px;
  margin: 18px 0 0;
  color: rgba(232, 238, 248, 0.75);
  font-size: 18px;
  line-height: 1.8;
}

.inline-contact-panel {
  width: min(100%, 840px);
  justify-self: end;
  padding: 14px 16px 14px;
  border: 1px solid rgba(127, 143, 166, 0.24);
  border-radius: 6px;
  background: rgba(13, 18, 26, 0.78);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.inline-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.inline-contact-form label {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: rgba(239, 243, 250, 0.82);
  font-size: 14px;
}

.inline-contact-form input,
.inline-contact-form textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(127, 143, 166, 0.25);
  border-radius: 3px;
  outline: none;
  color: #eef3fb;
  background: rgba(4, 8, 14, 0.58);
  font-size: 14px;
}

.inline-contact-form input {
  height: 38px;
  padding: 0 10px;
}

.inline-contact-form textarea {
  min-height: 84px;
  padding: 9px 10px;
  resize: vertical;
}

.inline-contact-form input::placeholder,
.inline-contact-form textarea::placeholder {
  color: rgba(176, 188, 207, 0.56);
}

.inline-form-wide {
  grid-column: 1 / -1;
}

.inline-submit {
  width: 100%;
  height: 38px;
  margin-top: 12px;
  border: 0;
  border-radius: 3px;
  color: #111820;
  background: #f1f3f6;
  font-size: 14px;
  font-weight: 700;
}

.inline-success {
  padding: 55px 20px;
  color: #f1f3f6;
  text-align: center;
  font-size: 14px;
}

.site-footer {
  position: relative;
  display: grid;
  grid-template-columns: 1.8fr repeat(3, 1fr);
  gap: 40px;
  padding: 70px 5vw 32px;
  color: rgba(228, 235, 246, 0.62);
  background: #020304;
  background-image:
    linear-gradient(rgba(136, 155, 181, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(136, 155, 181, 0.045) 1px, transparent 1px);
  background-size: 168px 168px;
}

.footer-brand,
.footer-column {
  display: grid;
  align-content: start;
  gap: 16px;
}

.footer-brand img {
  width: 240px;
  filter: invert(1) grayscale(1) brightness(2);
}

.footer-brand a,
.footer-column a {
  width: fit-content;
  color: inherit;
  font-size: 16px;
  text-decoration: none;
}

.footer-brand a {
  margin-top: 34px;
}

.footer-column .company-email {
  margin-top: 0;
}

.footer-column h3 {
  margin: 0 0 2px;
  color: #f2f5fa;
  font-size: 18px;
  font-weight: 600;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  margin-top: 86px;
  padding-top: 28px;
  border-top: 1px solid rgba(168, 181, 201, 0.2);
  font-size: 14px;
}

.modal-root {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
}

.modal-root.is-open {
  display: grid;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(2px);
}

.contact-modal {
  position: relative;
  width: min(490px, calc(100vw - 32px));
  max-height: calc(100svh - 28px);
  overflow-y: auto;
  border-radius: 14px;
  padding: 28px 34px 30px;
  background: rgba(255, 255, 255, 0.96);
}

.modal-close {
  position: absolute;
  top: 22px;
  right: 24px;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: #515662;
  font-size: 30px;
  line-height: 1;
}

.contact-modal h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 31px;
  font-weight: 600;
}

.contact-modal p {
  margin: 0 0 18px;
  color: #6d727e;
  font-size: 14px;
  line-height: 1.7;
}

.contact-modal form {
  display: grid;
  gap: 11px;
}

.contact-modal label {
  display: grid;
  gap: 8px;
  color: #1c1e25;
  font-size: 13px;
  font-weight: 700;
}

.contact-modal input,
.contact-modal textarea {
  width: 100%;
  border: 1px solid #d9dde7;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: #111;
  outline: none;
  font-size: 14px;
}

.contact-modal input {
  height: 36px;
  padding: 0 14px;
}

.contact-modal textarea {
  min-height: 82px;
  padding: 13px 14px;
  resize: vertical;
}

.contact-modal input:focus,
.contact-modal textarea:focus {
  border-color: rgba(56, 89, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(56, 89, 255, 0.09);
}

.submit-button {
  width: 100%;
  min-height: 42px;
  margin-top: 4px;
}

.form-success {
  min-height: 280px;
  display: grid;
  align-content: center;
  text-align: center;
}

.form-success[hidden] {
  display: none;
}

.success-mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 0 36px rgba(56, 89, 255, 0.25);
  font-size: 32px;
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 24px;
  }

  .nav-links {
    display: none;
  }

  .hero-section {
    min-height: 760px;
  }

  .hero-copy {
    width: min(660px, 88vw);
  }

  .hero-visual {
    right: -12vw;
    top: 300px;
    width: 76vw;
    opacity: 0.62;
  }

  .system-map,
  .platform-grid,
  .scenario-grid,
  .technology-section,
  .emphasis-row {
    grid-template-columns: 1fr;
  }

  .org-flow {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 18px;
    min-height: 0;
  }

  .flow-card,
  .data-card,
  .context-card,
  .human-card,
  .result-card,
  .ai-card,
  .org-core {
    grid-column: auto;
    grid-row: auto;
  }

  .org-core {
    order: -1;
    width: min(300px, 72vw);
    height: min(300px, 72vw);
    margin: 8px auto;
  }

  .org-connectors {
    display: none;
  }

  .map-core {
    min-height: 420px;
    padding: 42px 28px;
  }

  .mini-orbit {
    width: 220px;
    height: 160px;
  }

  .worker-stack {
    gap: 24px;
    transform: none;
  }

  .worker-card {
    min-height: 220px;
    padding: 26px 22px;
  }

  .avatar {
    width: 68px;
    height: 68px;
    margin-bottom: 18px;
  }

  .scenario-card.customer,
  .scenario-card.dev,
  .scenario-card.production,
  .scenario-card.supply,
  .scenario-card.service,
  .scenario-card.more {
    grid-column: auto;
    grid-row: auto;
  }

  .system-map {
    padding-bottom: 0;
  }

.flow-line,
.feedback-line {
  display: none;
}

  .flywheel {
    position: relative;
    grid-template-columns: 1fr;
    margin-top: 20px;
  }

  .platform-grid {
    grid-template-rows: auto;
  }

  .platform-grid .section-head,
  .stack-visual,
  .product-card.oasis,
  .product-card.twin,
  .product-card.world,
  .product-card.station {
    grid-column: auto;
    grid-row: auto;
  }

  .stack-visual {
    min-height: 520px;
  }

  .technology-section {
    min-height: auto;
  }

  .final-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .final-copy {
    max-width: 520px;
    text-align: center;
  }

  .final-copy p {
    max-width: 520px;
  }

  .inline-contact-panel {
    justify-self: center;
  }

  .pyramid {
    position: relative;
    left: auto;
    top: auto;
    transform: scale(0.72);
    transform-origin: left top;
    height: 390px;
  }

  .tech-stack-copy {
    margin-left: 0;
    padding-top: 0;
  }

  .line-dot {
    display: none;
  }

  .tech-note {
    position: relative;
    bottom: auto;
    margin-top: 34px;
  }
}

@media (min-width: 1101px) and (max-width: 1600px) {
  .system-section {
    min-height: 900px;
    padding-top: 78px;
  }

  .system-section .section-head {
    margin-bottom: 24px;
  }

  .system-section .section-head h2 {
    font-size: 44px;
  }

  .system-section .section-head > p:not(.system-description) {
    font-size: 17px;
  }

  .system-description {
    margin-top: 10px !important;
    font-size: 13px !important;
  }

  .org-flow {
    grid-template-rows: 96px 136px 136px;
    gap: 18px 34px;
    min-height: 404px;
    margin-top: 22px;
  }

  .flow-card {
    height: 88px;
    min-height: 0;
    padding: 14px 18px;
  }

  .flow-card h3 {
    font-size: 16px;
  }

  .flow-card p {
    font-size: 12px;
  }

  .flow-symbol {
    flex-basis: 46px;
    width: 46px;
    height: 46px;
  }

  .flow-symbol img {
    width: 46px;
    height: 46px;
  }

  .org-core {
    width: 238px;
    height: 238px;
  }

  .org-core strong {
    font-size: 20px;
  }

  .system-runtime-note {
    margin: 16px auto 18px;
    font-size: 13px;
  }

  .capability-tags span {
    padding: 9px 14px;
    font-size: 12px;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 94px 20px 58px;
  }

  .brand {
    max-width: 158px;
  }

  .brand img {
    width: 152px;
  }

  .header-cta {
    min-width: 96px;
    min-height: 40px;
    padding: 0 16px;
    font-size: 13px;
  }

  .hero-copy h1 {
    font-size: 58px;
  }

  .hero-kicker {
    font-size: 24px;
  }

  .hero-desc {
    max-width: 92vw;
    font-size: 15px;
  }

  .section-head h2 {
    font-size: 42px;
  }

  .section-head .lead {
    font-size: 23px;
  }

  .system-map {
    gap: 20px;
  }

  .map-title {
    position: relative;
    left: auto;
    transform: none;
    justify-content: center;
    font-size: 20px;
  }

  .map-title span {
    width: 50px;
  }

  .flywheel {
    padding: 24px;
  }

  .product-card {
    padding-left: 88px;
  }

  .icon-node {
    left: 22px;
    margin-left: 0;
  }

  .stack-visual img {
    width: 520px;
  }

  .stack-label {
    font-size: 15px;
  }

  .scenario-card {
    min-height: 230px;
  }

  .highlight-card {
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }

  .highlight-art {
    margin-left: 38px;
  }

  .site-footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 42px 24px;
    padding: 54px 20px 26px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-brand img {
    width: 200px;
  }

  .footer-brand a,
  .footer-column a {
    font-size: 14px;
  }

  .footer-bottom {
    display: grid;
    gap: 12px;
    margin-top: 30px;
    font-size: 12px;
  }

  .inline-contact-panel {
    width: 100%;
  }

  .inline-form-grid {
    grid-template-columns: 1fr;
  }

  .inline-form-wide {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .orbital-core,
  .mini-orbit {
    animation: glowPulse 6s ease-in-out infinite;
  }

  .scenario-card,
  .product-card,
  .highlight-card {
    transition: transform 220ms ease, box-shadow 220ms ease;
  }

  .scenario-card:hover,
  .product-card:hover,
  .highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 26px 78px rgba(32, 44, 90, 0.13);
  }
}

@keyframes glowPulse {
  0%, 100% { filter: drop-shadow(0 0 0 rgba(56, 89, 255, 0)); }
  50% { filter: drop-shadow(0 0 12px rgba(56, 89, 255, 0.18)); }
}