:root {
  --bg: #07111f;
  --bg-soft: rgba(8, 16, 31, 0.72);
  --panel: rgba(9, 20, 36, 0.72);
  --line: rgba(160, 208, 255, 0.16);
  --text: #ecf4ff;
  --muted: #9eb3ca;
  --accent: #7df9d0;
  --accent-2: #5ca9ff;
  --warm: #ffc37a;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(92, 169, 255, 0.14), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(125, 249, 208, 0.1), transparent 25%),
    linear-gradient(180deg, #030712 0%, #08101e 45%, #07111f 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
  pointer-events: none;
}

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

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.ambient,
.grid-glow {
  position: fixed;
  inset: auto;
  pointer-events: none;
  filter: blur(28px);
  opacity: 0.8;
}

.ambient-a {
  width: 32rem;
  height: 32rem;
  top: -8rem;
  right: -10rem;
  background: radial-gradient(circle, rgba(92, 169, 255, 0.42), transparent 60%);
  animation: drift 18s ease-in-out infinite;
}

.ambient-b {
  width: 28rem;
  height: 28rem;
  left: -8rem;
  top: 32rem;
  background: radial-gradient(circle, rgba(125, 249, 208, 0.3), transparent 60%);
  animation: drift 22s ease-in-out infinite reverse;
}

.grid-glow {
  width: 80vw;
  height: 36rem;
  top: 12rem;
  left: 10vw;
  background: radial-gradient(circle, rgba(255, 195, 122, 0.12), transparent 65%);
}

.site-header,
.site-footer {
  position: relative;
  z-index: 2;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 8px;
}

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

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(125, 249, 208, 0.22), rgba(92, 169, 255, 0.16));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  font-family: "Syne", sans-serif;
  font-weight: 800;
  letter-spacing: 0.08em;
}

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

.brand-text strong,
.nav a,
h1,
h2,
h3,
.button,
.plan {
  font-family: "Avenir Next Condensed", "Trebuchet MS", "Segoe UI", sans-serif;
}

.brand-text em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.hero,
.support-layout {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  padding: 62px 0 48px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  letter-spacing: 0.18em;
  font-size: 0.78rem;
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.95;
}

.hero-text,
.panel p,
.case-card p,
.contact-panel p,
.pricing-card li,
.metrics span {
  color: var(--muted);
  line-height: 1.7;
}

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

.button {
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(135deg, rgba(125, 249, 208, 0.18), rgba(92, 169, 255, 0.22));
}

.button.ghost {
  background: rgba(255, 255, 255, 0.03);
}

.hero-stage,
.panel,
.case-card,
.pricing-card,
.contact-panel,
.metrics article {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-stage {
  min-height: 540px;
  border-radius: 36px;
  position: relative;
  overflow: hidden;
}

.halo-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(125, 249, 208, 0.2);
}

.ring-one {
  width: 420px;
  height: 420px;
  top: 70px;
  left: 56px;
  animation: spin 22s linear infinite;
}

.ring-two {
  width: 260px;
  height: 260px;
  top: 150px;
  left: 140px;
  border-color: rgba(92, 169, 255, 0.28);
  animation: spin 14s linear infinite reverse;
}

.signal-card {
  position: absolute;
  max-width: 270px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(6, 14, 28, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.signal-card span,
.case-card span {
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
}

.signal-card strong {
  display: block;
  margin: 10px 0 8px;
  font-size: 1.35rem;
}

.signal-main {
  top: 72px;
  right: 34px;
}

.signal-side {
  bottom: 48px;
  left: 34px;
}

.data-orbit i {
  position: absolute;
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  box-shadow: 0 0 18px rgba(125, 249, 208, 0.65);
}

.data-orbit i:nth-child(1) {
  top: 98px;
  left: 210px;
  animation: pulse 2.8s ease-in-out infinite;
}

.data-orbit i:nth-child(2) {
  top: 278px;
  left: 112px;
  animation: pulse 3.6s ease-in-out infinite;
}

.data-orbit i:nth-child(3) {
  top: 346px;
  right: 168px;
  animation: pulse 3.1s ease-in-out infinite;
}

.data-orbit i:nth-child(4) {
  top: 190px;
  right: 86px;
  animation: pulse 2.4s ease-in-out infinite;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 40px;
}

.metrics article,
.panel,
.case-card,
.pricing-card,
.contact-panel {
  border-radius: 28px;
  padding: 24px;
}

.metrics strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.section-block {
  padding: 54px 0;
}

.section-intro h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  margin: 0;
}

.capability-grid,
.case-grid,
.pricing-grid,
.support-cases {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.capability-grid,
.case-grid,
.support-cases {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel ul,
.pricing-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--text);
}

.partner-marquee {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.partner-marquee span {
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-align: center;
  color: #d6e7ff;
  background: rgba(255, 255, 255, 0.03);
}

.case-card h3,
.panel h3,
.pricing-card h3 {
  margin: 12px 0 8px;
  font-size: 1.45rem;
}

.support-layout {
  padding: 36px 0 0;
}

.support-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  align-items: stretch;
}

.contact-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-panel strong {
  font-size: 2rem;
  margin: 10px 0 12px;
}

.inline-link {
  color: var(--accent);
}

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

.pricing-card.featured {
  background:
    linear-gradient(180deg, rgba(125, 249, 208, 0.08), rgba(92, 169, 255, 0.08)),
    var(--panel);
  transform: translateY(-10px);
}

.plan {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0 48px;
  color: var(--muted);
}

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

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text);
}

.contact-form label span {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
  min-height: 160px;
}

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

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.thanks-layout {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.thanks-panel {
  width: min(760px, 100%);
  text-align: left;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(24px, 32px, 0) scale(1.08); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(0.9); opacity: 0.65; }
  50% { transform: scale(1.25); opacity: 1; }
}

@media (max-width: 1024px) {
  .hero,
  .support-hero,
  .metrics,
  .pricing-grid,
  .partner-marquee,
  .capability-grid,
  .case-grid,
  .support-cases,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 460px;
  }

  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 720px) {
  .site-header,
  .site-footer,
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 32px;
  }

  h1 {
    font-size: 2.8rem;
  }

  .hero-stage {
    min-height: 380px;
  }

  .ring-one {
    width: 280px;
    height: 280px;
    left: 24px;
    top: 52px;
  }

  .ring-two {
    width: 170px;
    height: 170px;
    left: 72px;
    top: 106px;
  }

  .signal-main,
  .signal-side {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    margin: 18px;
    max-width: none;
  }
}