:root {
  --bg: #eef3f8;
  --bg-deep: #0f2440;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: #ffffff;
  --line: rgba(15, 36, 64, 0.1);
  --line-strong: rgba(112, 188, 226, 0.24);
  --text: #112338;
  --muted: #5b6c7f;
  --primary: #163d72;
  --primary-soft: #e8f1ff;
  --accent: #6dc7d1;
  --accent-soft: rgba(109, 199, 209, 0.12);
  --shadow: 0 18px 48px rgba(17, 35, 56, 0.09);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(109, 199, 209, 0.18), transparent 24%),
    radial-gradient(circle at top right, rgba(22, 61, 114, 0.14), transparent 28%),
    linear-gradient(180deg, #f4f8fc 0%, #edf2f7 100%);
}

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

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 61, 114, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 61, 114, 0.04) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 80%);
}

.container {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(244, 248, 252, 0.78);
  border-bottom: 1px solid rgba(17, 35, 56, 0.06);
}

.nav-wrap,
.nav,
.hero-grid,
.hero-metrics,
.position-grid,
.card-grid,
.service-grid,
.split-layout,
.footer-grid,
.value-tags {
  display: grid;
  gap: 20px;
}

.nav-wrap {
  grid-template-columns: 1fr auto;
  align-items: center;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--primary), #3c76bf);
  color: white;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 10px 26px rgba(22, 61, 114, 0.22);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text strong,
.eyebrow,
.button,
.card-number,
.panel-icon,
.service-head span {
  font-family: "Plus Jakarta Sans", sans-serif;
}

.brand-text strong {
  font-size: 1.05rem;
}

.brand-text small,
.nav a,
.section-desc,
.hero-subtitle,
.business-card p,
.service-panel p,
.compare-panel li,
.footer-brand p,
.footer-contact li,
.footer-note p {
  color: var(--muted);
}

.brand-text small {
  margin-top: 2px;
  font-size: 0.78rem;
}

.nav {
  grid-auto-flow: column;
  gap: 18px;
  align-items: center;
}

.nav a {
  font-size: 0.94rem;
  white-space: nowrap;
}

.section-shell {
  padding: 84px 0 0;
}

.hero {
  padding-top: 34px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
}

.hero-copy h1,
.section-head h2,
.value-panel h2 {
  margin: 0;
  line-height: 1.02;
  font-family: "Plus Jakarta Sans", sans-serif;
}

.hero-copy h1 {
  max-width: 10ch;
  font-size: clamp(3rem, 7vw, 5.6rem);
}

.hero-subtitle {
  max-width: 640px;
  margin: 22px 0 0;
  font-size: 1.08rem;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
}

.button.solid {
  color: white;
  background: linear-gradient(135deg, var(--primary), #2d69b5);
  box-shadow: 0 14px 30px rgba(22, 61, 114, 0.22);
}

.button.ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.64);
}

.hero-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
}

.hero-metrics article,
.content-panel,
.business-card,
.service-panel,
.compare-panel,
.value-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-metrics article {
  padding: 18px;
}

.hero-metrics strong {
  display: block;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 2rem;
}

.hero-metrics span {
  font-size: 0.92rem;
  color: var(--muted);
}

.hero-visual {
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-orbit {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px dashed rgba(22, 61, 114, 0.18);
  background:
    radial-gradient(circle at center, rgba(109, 199, 209, 0.18), transparent 35%),
    radial-gradient(circle at center, rgba(22, 61, 114, 0.08), transparent 68%);
}

.orbit-center,
.orbit-card {
  position: absolute;
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.orbit-center {
  top: 50%;
  left: 50%;
  width: 220px;
  transform: translate(-50%, -50%);
  text-align: center;
}

.orbit-center span,
.orbit-card span,
.card-badge {
  font-size: 0.82rem;
  color: var(--primary);
}

.orbit-center strong,
.orbit-card strong,
.business-card h3,
.service-panel h3,
.compare-panel h3,
.content-panel h3 {
  font-size: 1.18rem;
}

.orbit-a {
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 180px;
}

.orbit-b {
  bottom: 12%;
  left: 2%;
  width: 180px;
}

.orbit-c {
  right: 2%;
  bottom: 12%;
  width: 180px;
}

.section-head {
  margin-bottom: 26px;
}

.section-head h2 {
  font-size: clamp(2rem, 4.4vw, 3.6rem);
}

.section-desc {
  max-width: 720px;
  margin: 14px 0 0;
  line-height: 1.8;
}

.position-grid,
.split-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-panel,
.business-card,
.service-panel,
.compare-panel,
.value-panel {
  padding: 26px;
}

.panel-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 800;
}

.content-panel p,
.business-card p,
.service-panel p,
.value-copy {
  margin: 0;
  line-height: 1.9;
}

.content-panel.accent {
  background:
    linear-gradient(135deg, rgba(109, 199, 209, 0.12), rgba(255, 255, 255, 0.82)),
    white;
}

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

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.card-number {
  font-size: 1.35rem;
  font-weight: 800;
  color: rgba(22, 61, 114, 0.22);
}

.business-card ul,
.feature-list,
.footer-contact ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.business-card li,
.compare-panel li,
.footer-contact li {
  margin-bottom: 10px;
  line-height: 1.75;
}

.service-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.service-head span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 800;
}

.compare-panel {
  background: white;
}

.compare-panel.contrast {
  background:
    linear-gradient(135deg, rgba(22, 61, 114, 0.06), rgba(109, 199, 209, 0.1)),
    white;
}

.feature-list {
  list-style: none;
  padding-left: 0;
}

.feature-list li {
  position: relative;
  padding-left: 28px;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.feature-list.good li::before {
  background: #4bbf8a;
  box-shadow: 0 0 0 5px rgba(75, 191, 138, 0.12);
}

.feature-list.pain li::before {
  background: #f28b64;
  box-shadow: 0 0 0 5px rgba(242, 139, 100, 0.14);
}

.value-panel {
  text-align: center;
  padding: 36px 26px;
  background:
    linear-gradient(135deg, rgba(22, 61, 114, 0.08), rgba(109, 199, 209, 0.12)),
    white;
}

.value-panel h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.value-copy {
  max-width: 880px;
  margin: 20px auto 0;
  color: var(--muted);
}

.value-tags {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 24px;
}

.value-tags span {
  padding: 14px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
  font-weight: 700;
}

.site-footer {
  margin-top: 84px;
  padding: 36px 0 26px;
  background: linear-gradient(180deg, rgba(17, 35, 56, 0.98), rgba(12, 24, 39, 1));
  color: white;
}

.footer-grid {
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: start;
}

.footer-brand-line .brand-mark {
  background: linear-gradient(135deg, #5eb4ff, #79d5db);
}

.footer-brand-line .brand-text strong,
.footer-brand-line .brand-text small,
.footer-contact h3 {
  color: white;
}

.footer-brand p,
.footer-contact li,
.footer-note p {
  color: rgba(255, 255, 255, 0.72);
}

.footer-contact h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.footer-contact ul {
  list-style: none;
  padding-left: 0;
  margin-top: 0;
}

.footer-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-note p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
}

@media (max-width: 1120px) {
  .hero-grid,
  .card-grid.three,
  .service-grid,
  .split-layout,
  .footer-grid,
  .value-tags {
    grid-template-columns: 1fr;
  }

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

  .hero-copy h1 {
    max-width: none;
  }

  .hero-visual {
    min-height: 420px;
  }
}

@media (max-width: 900px) {
  .nav-wrap {
    grid-template-columns: 1fr;
    padding: 14px 0;
  }

  .nav {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .nav a {
    padding: 10px 12px;
    text-align: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.5);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .section-shell {
    padding-top: 62px;
  }

  .hero {
    padding-top: 18px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-orbit {
    width: 100%;
  }

  .orbit-center {
    width: 190px;
  }

  .orbit-card {
    width: 150px;
    padding: 14px;
  }

  .orbit-a {
    top: 4%;
  }

  .orbit-b {
    bottom: 8%;
    left: 0;
  }

  .orbit-c {
    right: 0;
    bottom: 8%;
  }

  .content-panel,
  .business-card,
  .service-panel,
  .compare-panel,
  .value-panel {
    padding: 20px;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}