:root {
  --background: #050808;
  --foreground: #f5fbf9;
  --muted: #9bb2ad;
  --line: rgba(218, 255, 247, 0.14);
  --cyan: #40ffe0;
  --green: #9cff68;
  --blue: #58a7ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(64, 255, 224, 0.16), transparent 28rem),
    radial-gradient(circle at 85% 8%, rgba(156, 255, 104, 0.12), transparent 24rem),
    linear-gradient(180deg, #050808 0%, #081011 42%, #f4f8f5 42%, #f4f8f5 100%);
  color: var(--foreground);
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(22px);
  background: rgba(5, 8, 8, 0.76);
  border-bottom: 1px solid var(--line);
  display: flex;
  height: 76px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(18px, 4vw, 64px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--green), var(--cyan) 48%, var(--blue));
  border-radius: 8px;
  color: #05100d;
  display: flex;
  font-size: 13px;
  font-weight: 900;
  height: 42px;
  justify-content: center;
  letter-spacing: 0.08em;
  width: 42px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  margin-top: 2px;
  text-transform: uppercase;
}

nav {
  align-items: center;
  color: #d1e3df;
  display: flex;
  gap: 28px;
  font-size: 14px;
}

nav a:hover {
  color: var(--cyan);
}

.nav-cta,
.primary-btn,
.secondary-btn,
.package-card a,
.brief-form button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 44px;
}

.nav-cta {
  background: var(--foreground);
  color: #07100f;
  font-size: 14px;
  padding: 0 18px;
}

.hero {
  min-height: 100vh;
  overflow: hidden;
  padding: 132px clamp(20px, 5vw, 72px) 82px;
  position: relative;
}

.hero-grid {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  inset: 0;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.74), transparent 88%);
  opacity: 0.48;
  position: absolute;
}

.aurora-beam {
  border-radius: 999px;
  filter: blur(18px);
  height: 10px;
  opacity: 0.9;
  position: absolute;
  transform-origin: left center;
}

.beam-one {
  background: linear-gradient(90deg, transparent, var(--green), var(--cyan), transparent);
  right: -8vw;
  top: 24%;
  transform: rotate(-18deg);
  width: 70vw;
}

.beam-two {
  background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent);
  left: -12vw;
  top: 54%;
  transform: rotate(16deg);
  width: 66vw;
}

.hero-inner {
  display: grid;
  gap: clamp(36px, 6vw, 86px);
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  margin: 0 auto;
  max-width: 1220px;
  min-height: calc(100vh - 214px);
  position: relative;
  z-index: 2;
}

.hero-copy {
  align-self: center;
}

.eyebrow,
.section-kicker {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

.hero h1 {
  color: #f8fffc;
  font-size: clamp(44px, 6.2vw, 78px);
  font-weight: 900;
  line-height: 1;
  margin-top: 20px;
  max-width: 820px;
}

.hero h1 span {
  color: transparent;
  display: block;
  -webkit-text-stroke: 1px rgba(245, 251, 249, 0.72);
}

.hero h1 span:not(.solid-title) {
  font-size: 0.86em;
}

.hero h1 .solid-title {
  color: #f8fffc;
  -webkit-text-stroke: 0;
}

.hero-text {
  color: #bfd2ce;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.8;
  margin-top: 26px;
  max-width: 690px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-btn {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #04110f;
  padding: 0 24px;
}

.secondary-btn {
  border: 1px solid rgba(245, 251, 249, 0.26);
  color: #effffc;
  padding: 0 22px;
}

.signal-row {
  border-top: 1px solid var(--line);
  color: #dceae7;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
  padding-top: 18px;
}

.signal-row span {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  padding: 8px 12px;
}

.product-stage {
  align-self: center;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), transparent),
    rgba(8, 18, 18, 0.58);
  border: 1px solid rgba(218, 255, 247, 0.18);
  border-radius: 8px;
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.54);
  min-height: 560px;
  overflow: hidden;
  padding: 24px;
  position: relative;
}

.product-stage::before {
  background: linear-gradient(90deg, transparent, rgba(64, 255, 224, 0.46), transparent);
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  right: 0;
  top: 72px;
}

.stage-top,
.stage-metrics {
  display: flex;
  gap: 14px;
  justify-content: space-between;
}

.stage-top {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 54px;
}

.stage-top strong {
  color: var(--green);
}

.dashboard-card,
.orbit-card {
  background: rgba(3, 10, 10, 0.74);
  border: 1px solid rgba(218, 255, 247, 0.16);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.main-panel {
  display: grid;
  gap: 22px;
  padding: 24px;
}

.main-panel p,
.dashboard-card small {
  color: var(--muted);
  font-size: 13px;
}

.main-panel h2 {
  color: #f8fffc;
  font-size: clamp(23px, 2.5vw, 34px);
  line-height: 1.12;
  margin-top: 10px;
}

.progress-lines {
  display: grid;
  gap: 12px;
}

.progress-lines span {
  background: linear-gradient(90deg, var(--cyan), rgba(156, 255, 104, 0.42), transparent);
  border-radius: 999px;
  display: block;
  height: 8px;
}

.progress-lines span:nth-child(2) {
  width: 76%;
}

.progress-lines span:nth-child(3) {
  width: 54%;
}

.stage-metrics {
  margin-top: 14px;
}

.stage-metrics .dashboard-card {
  flex: 1;
  min-height: 116px;
  padding: 18px;
}

.stage-metrics strong {
  color: #f5fbf9;
  display: block;
  font-size: 18px;
  line-height: 1.35;
  margin-top: 18px;
}

.orbit-card {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  bottom: 26px;
  color: #07100f;
  padding: 16px 18px;
  position: absolute;
  right: 24px;
  width: min(280px, calc(100% - 48px));
}

.orbit-card span,
.orbit-card strong {
  display: block;
}

.orbit-card span {
  font-size: 12px;
  opacity: 0.76;
}

.orbit-card strong {
  font-size: 18px;
  margin-top: 4px;
}

.section,
.custom-section,
.contact-section {
  margin: 0 auto;
  max-width: 1220px;
  padding: 96px clamp(20px, 5vw, 72px);
}

.intro-band {
  align-items: end;
  color: #06100e;
  display: grid;
  gap: 36px;
  grid-template-columns: 1.1fr 0.9fr;
}

.intro-band .section-kicker,
.section .section-kicker,
.custom-section .section-kicker,
.contact-section .section-kicker {
  color: #087f71;
}

.intro-band h2,
.section h2,
.custom-section h2,
.contact-section h2 {
  color: #06100e;
  font-size: clamp(32px, 4.4vw, 58px);
  font-weight: 900;
  line-height: 1.05;
  margin-top: 12px;
}

.intro-band p:last-child,
.custom-copy p,
.contact-copy p {
  color: #4b5e59;
  font-size: 17px;
  line-height: 1.85;
}

.section-heading {
  margin-bottom: 34px;
  max-width: 780px;
}

.service-grid,
.package-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-card,
.package-card,
.custom-list div,
.step,
.brief-form {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(5, 16, 14, 0.1);
  border-radius: 8px;
  color: #06100e;
}

.service-card {
  min-height: 270px;
  padding: 24px;
}

.service-card span {
  color: #087f71;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.service-card h3,
.package-card h3 {
  font-size: 22px;
  margin-top: 34px;
}

.service-card p,
.package-card p,
.custom-list p {
  color: #53635f;
  line-height: 1.7;
  margin-top: 16px;
}

.custom-section {
  align-items: center;
  display: grid;
  gap: 40px;
  grid-template-columns: 0.9fr 1.1fr;
}

.custom-list {
  display: grid;
  gap: 14px;
}

.custom-list div {
  padding: 24px;
}

.custom-list strong {
  color: #087f71;
  display: block;
  font-size: 13px;
  margin-bottom: 12px;
}

.custom-list span {
  color: #06100e;
  font-size: 22px;
  font-weight: 900;
}

.steps {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.step {
  min-height: 120px;
  padding: 18px;
}

.step span {
  color: #087f71;
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 26px;
}

.step strong {
  font-size: 18px;
}

.package-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 24px;
}

.package-card strong {
  color: #06100e;
  display: block;
  font-size: 26px;
  margin-top: auto;
  padding-top: 26px;
}

.package-card a {
  background: #06100e;
  color: #f5fbf9;
  margin-top: 18px;
}

.contact-section {
  align-items: start;
  display: grid;
  gap: 40px;
  grid-template-columns: 0.9fr 1.1fr;
  padding-bottom: 72px;
}

.contact-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.contact-points span {
  border: 1px solid rgba(5, 16, 14, 0.14);
  border-radius: 999px;
  color: #06100e;
  font-size: 13px;
  font-weight: 800;
  padding: 9px 12px;
}

.contact-card {
  background: #06100e;
  border: 1px solid rgba(8, 127, 113, 0.28);
  border-radius: 8px;
  color: #f5fbf9;
  margin-top: 28px;
  padding: 22px;
}

.contact-card > strong {
  display: block;
  font-size: 20px;
  margin-bottom: 16px;
}

.contact-card div {
  display: grid;
  gap: 10px;
}

.contact-card p {
  align-items: center;
  border-top: 1px solid rgba(218, 255, 247, 0.12);
  display: flex;
  gap: 14px;
  justify-content: space-between;
  padding-top: 10px;
}

.contact-card span {
  color: #9bb2ad;
  font-size: 13px;
}

.contact-card b {
  color: #dffff8;
  font-size: 14px;
  text-align: right;
}

.brief-form {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.brief-form label {
  color: #263431;
  display: grid;
  font-size: 13px;
  font-weight: 900;
  gap: 8px;
}

.brief-form input,
.brief-form select,
.brief-form textarea {
  background: #f8fbf8;
  border: 1px solid rgba(5, 16, 14, 0.16);
  border-radius: 8px;
  color: #06100e;
  min-height: 48px;
  outline: none;
  padding: 0 14px;
}

.brief-form textarea {
  min-height: 126px;
  padding: 14px;
  resize: vertical;
}

.brief-form input:focus,
.brief-form select:focus,
.brief-form textarea:focus {
  border-color: #087f71;
  box-shadow: 0 0 0 3px rgba(64, 255, 224, 0.18);
}

.brief-form button {
  background: linear-gradient(135deg, #06100e, #0f312d);
  border: 0;
  color: #f5fbf9;
  cursor: pointer;
  min-height: 54px;
}

.legal-page {
  background: #f4f8f5;
  color: #06100e;
  min-height: 100vh;
  padding: 132px clamp(20px, 5vw, 72px) 72px;
}

.legal-hero,
.legal-content {
  margin: 0 auto;
  max-width: 900px;
}

.legal-hero {
  margin-bottom: 34px;
}

.legal-hero h1 {
  color: #06100e;
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.05;
  margin-top: 14px;
}

.legal-hero p:last-child {
  color: #4b5e59;
  font-size: 17px;
  line-height: 1.8;
  margin-top: 18px;
}

.legal-content {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(5, 16, 14, 0.1);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 42px);
}

.legal-content h2 {
  color: #06100e;
  font-size: 22px;
  margin-top: 34px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  color: #4b5e59;
  line-height: 1.85;
  margin-top: 12px;
}

.legal-content strong {
  color: #06100e;
}

footer {
  background: #06100e;
  border-top: 1px solid var(--line);
  color: #d6e7e2;
  display: grid;
  gap: 8px;
  padding: 34px clamp(20px, 5vw, 72px);
}

footer strong {
  color: #f5fbf9;
}

footer small {
  color: #8fa5a0;
}

footer a {
  color: inherit;
}

@media (max-width: 1000px) {
  nav {
    display: none;
  }

  .hero-inner,
  .intro-band,
  .custom-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .product-stage {
    min-height: 470px;
  }

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

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

@media (max-width: 640px) {
  .site-header {
    height: 68px;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding-top: 110px;
  }

  .hero-inner {
    min-height: 0;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero h1 span {
    -webkit-text-stroke: 0;
    color: #f8fffc;
  }

  .hero-actions a {
    width: 100%;
  }

  .product-stage {
    min-height: 420px;
    padding: 18px;
  }

  .stage-metrics,
  .signal-row,
  .contact-card p {
    align-items: flex-start;
    flex-direction: column;
  }

  .section,
  .custom-section,
  .contact-section,
  .legal-page {
    padding-bottom: 62px;
    padding-top: 62px;
  }

  .service-grid,
  .package-grid,
  .steps {
    grid-template-columns: 1fr;
  }
}