:root {
  color-scheme: light;
  --bg: #f4efe8;
  --bg-soft: #fbf7f1;
  --ink: #090d14;
  --ink-soft: #283243;
  --muted: #647083;
  --line: rgba(9, 13, 20, 0.12);
  --line-strong: rgba(9, 13, 20, 0.2);
  --accent: #234ee8;
  --accent-2: #087d73;
  --white: #ffffff;
  --max-width: 1320px;
  --side: clamp(22px, 5vw, 72px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  color: var(--ink);
  font-family:
    Inter, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  background: rgba(35, 78, 232, 0.16);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 74% 28%, rgba(35, 78, 232, 0.12), transparent 18%),
    radial-gradient(circle at 60% 42%, rgba(8, 125, 115, 0.14), transparent 20%),
    radial-gradient(circle at 16% 84%, rgba(255, 255, 255, 0.46), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(244, 239, 232, 0));
}

.site-header,
.page,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 22px var(--side) 18px;
  display: flex;
  align-items: center;
}

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

.brand-logo {
  display: block;
  width: min(246px, 34vw);
  height: auto;
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--side) 36px;
}

.hero,
.section {
  scroll-margin-top: 96px;
}

.hero {
  min-height: calc(100svh - 92px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.82fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: center;
  padding: clamp(52px, 7vw, 104px) 0 clamp(60px, 8vw, 116px);
}

.hero-copy {
  min-width: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-right: clamp(0px, 2vw, 32px);
}

.eyebrow,
.panel-kicker,
.mini-label,
.item-index {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.system-panel h2 {
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.065em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero h1 {
  max-width: none;
  font-size: clamp(3.7rem, 7.1vw, 7rem);
  font-weight: 820;
}

.hero h1 span {
  display: block;
}

.hero-subtitle {
  margin: 0;
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: clamp(1.18rem, 1.8vw, 1.55rem);
  line-height: 1.48;
  text-wrap: pretty;
}

.hero-body,
.section-copy,
.capability-item p,
.direction-body p,
.system-panel p,
.contact-card span:last-child {
  margin: 0;
  color: var(--muted);
}

.hero-body {
  max-width: 46ch;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 18px;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 800;
  transition:
    color 0.16s ease,
    background 0.16s ease,
    border-color 0.16s ease;
}

.button.primary {
  color: var(--white);
  background: var(--ink);
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.34);
  border-color: var(--line-strong);
}

.button:hover {
  color: var(--white);
  background: var(--accent);
  border-color: var(--accent);
}

.hero-art {
  position: relative;
  min-width: 0;
  max-width: 100%;
  min-height: 560px;
  display: grid;
  align-content: end;
  overflow: visible;
}

.orb {
  position: absolute;
  top: 42%;
  left: 52%;
  width: min(34vw, 470px);
  min-width: 310px;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 31% 24%, rgba(255, 255, 255, 0.76), transparent 23%),
    radial-gradient(circle at 72% 30%, rgba(66, 100, 232, 0.4), transparent 34%),
    radial-gradient(circle at 36% 78%, rgba(8, 125, 115, 0.44), transparent 34%),
    linear-gradient(135deg, rgba(245, 239, 230, 0.96), rgba(214, 220, 237, 0.9) 52%, rgba(159, 219, 213, 0.8));
  box-shadow:
    inset -34px -48px 84px rgba(21, 27, 40, 0.16),
    inset 32px 32px 84px rgba(255, 255, 255, 0.6),
    0 34px 120px rgba(9, 13, 20, 0.1);
  opacity: 0.96;
}

.orb::before,
.orb::after,
.orbit,
.core-dot {
  position: absolute;
  border-radius: 999px;
  content: "";
}

.orb::before {
  inset: -7%;
  border: 1px solid rgba(9, 13, 20, 0.08);
}

.orb::after {
  inset: 10%;
  border: 1px solid rgba(255, 255, 255, 0.46);
}

.orbit {
  inset: 20%;
  border: 1px solid rgba(9, 13, 20, 0.14);
}

.orbit-one {
  transform: rotate(28deg) scaleX(1.38);
}

.orbit-two {
  transform: rotate(-32deg) scaleX(1.3);
}

.core-dot {
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  transform: translate(-50%, -50%);
  background: var(--accent);
  box-shadow: 0 0 0 10px rgba(35, 78, 232, 0.12);
}

.system-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 430px);
  max-width: 100%;
  margin-left: auto;
  padding: clamp(22px, 3vw, 30px);
  display: grid;
  gap: 16px;
  border: 1px solid rgba(9, 13, 20, 0.14);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.48);
  backdrop-filter: blur(18px);
}

.system-panel h2 {
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.24em;
  font-size: clamp(2.1rem, 3vw, 3.2rem);
  font-weight: 820;
}

.system-panel h2 span:not(:last-child)::after {
  content: "·";
  margin-left: 0.24em;
}

.system-panel p {
  max-width: 30ch;
  font-size: 0.98rem;
}

.system-map,
.domain-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.system-map {
  padding-top: 6px;
}

.system-map span,
.domain-list span {
  display: inline-flex;
  min-height: 34px;
  padding: 0 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 720;
}

.section {
  display: grid;
  grid-template-columns: minmax(260px, 0.4fr) minmax(0, 0.6fr);
  gap: clamp(30px, 5vw, 86px);
  padding: clamp(56px, 7vw, 96px) 0;
}

.section-heading {
  display: grid;
  align-content: start;
  gap: 14px;
}

.section-heading h2 {
  max-width: 11ch;
  font-size: clamp(2.65rem, 5vw, 5.2rem);
  font-weight: 820;
}

.section-copy {
  max-width: 32ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.capability-list {
  display: grid;
  align-content: start;
}

.capability-item {
  display: grid;
  grid-template-columns: 68px minmax(120px, 0.32fr) minmax(0, 0.68fr);
  gap: 18px;
  align-items: baseline;
  padding: 28px 0;
}

.capability-item h3,
.contact-card strong {
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.capability-item h3 {
  font-size: clamp(1.55rem, 2.15vw, 2.3rem);
}

.capability-item p {
  max-width: 42rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

.direction-body {
  display: grid;
  gap: 20px;
  padding-top: 4px;
}

.direction-body p {
  max-width: 46rem;
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 1.45vw, 1.24rem);
  line-height: 1.75;
}

.domain-list {
  margin-top: 8px;
}

.domain-list span {
  color: var(--ink);
  border-color: var(--line-strong);
}

.contact-section {
  align-items: start;
}

.contact-grid {
  display: grid;
}

.contact-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px 24px;
  min-height: 150px;
  padding: 4px 0 0;
}

.contact-card .mini-label {
  grid-row: 1 / span 2;
  margin-top: 0.34em;
}

.contact-card strong {
  overflow-wrap: anywhere;
  color: var(--accent);
  font-size: clamp(1.45rem, 2.7vw, 3rem);
}

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px var(--side) 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-dot {
  opacity: 0.55;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(35, 78, 232, 0.45);
  outline-offset: 3px;
}

@media (max-width: 1060px) {
  .hero,
  .section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-art {
    min-height: 500px;
  }

  .system-panel {
    margin-left: 0;
  }
}

@media (max-width: 700px) {
  .site-header {
    padding-top: 18px;
  }

  .brand-logo {
    width: min(210px, 68vw);
  }

  .hero {
    padding-top: 40px;
    padding-bottom: 52px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.85rem, 11.5vw, 4.7rem);
    letter-spacing: -0.058em;
  }

  .hero-subtitle {
    font-size: clamp(1.05rem, 4vw, 1.2rem);
  }

  .button {
    width: 100%;
  }

  .hero-art {
    min-height: 470px;
  }

  .orb {
    top: 38%;
    left: 50%;
    width: min(82vw, 360px);
    min-width: 280px;
  }

  .system-panel {
    width: 100%;
    padding: 20px;
    border-radius: 24px;
  }

  .system-panel h2 {
    display: grid;
    gap: 0.02em;
    font-size: clamp(2.15rem, 10vw, 3.05rem);
  }

  .system-panel h2 span:not(:last-child)::after {
    content: "";
    margin-left: 0;
  }

  .section {
    gap: 28px;
    padding-block: 50px;
  }

  .section-heading h2 {
    max-width: 12ch;
    font-size: clamp(2.45rem, 11vw, 4rem);
  }

  .capability-item,
  .contact-card {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .capability-item {
    padding: 24px 0;
  }

  .contact-card .mini-label {
    grid-row: auto;
  }
}

@media (max-width: 460px) {
  .brand-logo {
    width: min(205px, 78vw);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}