:root {
  --bg: #061523;
  --bg-soft: #0e2940;
  --surface: rgba(8, 31, 46, 0.76);
  --surface-strong: rgba(9, 36, 55, 0.95);
  --line: rgba(154, 230, 202, 0.18);
  --text: #e7f7f6;
  --muted: #9bbac0;
  --lime: #b8f5d2;
  --teal: #7ce7cb;
  --copper: #8ed8ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: min(1180px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "PingFang SC", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 231, 203, 0.16), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(142, 216, 255, 0.14), transparent 26%),
    linear-gradient(180deg, #06121d 0%, #0b1e30 46%, #091725 100%);
  color: var(--text);
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
}

.site-shell {
  position: relative;
  isolation: isolate;
}

.ambient {
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: -1;
  filter: blur(36px);
  opacity: 0.7;
}

.ambient-a {
  top: 10%;
  left: 3%;
  width: 22rem;
  height: 22rem;
  background: rgba(124, 231, 203, 0.18);
}

.ambient-b {
  top: 40%;
  right: 5%;
  width: 28rem;
  height: 28rem;
  background: rgba(142, 216, 255, 0.14);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--content-width);
  margin: 0 auto;
  padding: 22px 0;
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(184, 245, 210, 1), rgba(124, 231, 203, 0.42)),
    linear-gradient(135deg, rgba(142, 216, 255, 0.45), rgba(255, 255, 255, 0));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 10px 20px rgba(124, 231, 203, 0.22);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  letter-spacing: 0.04em;
}

.brand-text strong,
.nav,
h1,
h2,
h3,
.button {
  font-family: "Outfit", "PingFang SC", sans-serif;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.75rem;
}

.nav {
  display: flex;
  gap: 28px;
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

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

.nav a.is-current {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition:
    transform 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

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

.button.solid {
  color: #071522;
  background: linear-gradient(135deg, var(--lime), #dffcf1);
  box-shadow: 0 12px 26px rgba(184, 245, 210, 0.24);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}

.button.text {
  color: var(--teal);
  padding-left: 0;
}

.section {
  width: var(--content-width);
  margin: 0 auto;
}

.subpage .topbar {
  position: sticky;
}

.page-hero {
  padding: 72px 0 24px;
}

.page-hero-copy {
  max-width: 860px;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 86px);
  padding: 42px 0 32px;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  color: var(--teal);
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

h3 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.lead,
.architecture-copy p,
.spotlight-grid p,
.service-card p {
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 42px 0 0;
  list-style: none;
}

.hero-metrics li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

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

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.network-panel {
  position: relative;
  min-height: 620px;
  border-radius: 38px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.01)),
    rgba(7, 18, 31, 0.78);
  box-shadow: var(--shadow);
  transition: transform 220ms ease;
}

.network-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184, 245, 210, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 245, 210, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 90%);
}

.network-node,
.beam {
  position: absolute;
}

.network-node {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 35%, #fff, var(--lime));
  box-shadow: 0 0 0 8px rgba(184, 245, 210, 0.08), 0 0 30px rgba(184, 245, 210, 0.45);
  animation: pulse 3.2s ease-in-out infinite;
}

.node-a { top: 18%; left: 18%; }
.node-b { top: 28%; right: 18%; animation-delay: 0.5s; }
.node-c { bottom: 22%; left: 24%; animation-delay: 1s; }
.node-d { bottom: 18%; right: 20%; animation-delay: 1.6s; }

.beam {
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(124, 231, 203, 0.1), rgba(124, 231, 203, 0.95), rgba(142, 216, 255, 0.3));
  box-shadow: 0 0 24px rgba(124, 231, 203, 0.26);
}

.beam-a {
  top: 21.5%;
  left: 19%;
  width: 58%;
  transform: rotate(14deg);
}

.beam-b {
  top: 32%;
  left: 20%;
  width: 35%;
  transform: rotate(53deg);
}

.beam-c {
  bottom: 25%;
  left: 27%;
  width: 45%;
  transform: rotate(-8deg);
}

.panel-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 22, 35, 0.74);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.panel-card span {
  display: block;
  color: var(--teal);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.panel-card strong {
  display: block;
  margin: 12px 0 6px;
  font-size: 1.45rem;
  font-family: "Outfit", sans-serif;
}

.panel-card small {
  color: var(--muted);
  line-height: 1.6;
}

.panel-card-main {
  left: 9%;
  right: 14%;
  bottom: 8%;
  padding: 28px;
  border-radius: 26px;
}

.panel-card-side {
  top: 12%;
  right: 8%;
  width: 240px;
  padding: 20px;
  border-radius: 20px;
}

.marquee {
  padding: 20px 0 12px;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  letter-spacing: 0.06em;
}

.section-heading,
.architecture,
.spotlight,
.contact {
  padding-top: 110px;
}

.service-grid,
.case-grid {
  display: grid;
  gap: 22px;
  margin-top: 36px;
}

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

.service-card,
.detail-card,
.case-card,
.form-card,
.stat-card,
.contact-panel,
.spotlight-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    var(--surface);
  box-shadow: var(--shadow);
}

.service-card {
  min-height: 360px;
  padding: 28px;
  transform-style: preserve-3d;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.detail-card,
.form-card {
  padding: 28px;
}

.detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.solution-detail-grid,
.contact-grid,
.stats-grid {
  display: grid;
  gap: 22px;
}

.solution-detail-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-top: 34px;
}

.contact-grid {
  grid-template-columns: 0.9fr 1.1fr;
  padding-top: 28px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-top: 34px;
}

.feature-list {
  margin: 24px 0 0;
  padding-left: 18px;
  line-height: 1.9;
  color: var(--text);
}

.mini-band {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-band span {
  display: block;
  color: var(--teal);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mini-band strong {
  display: block;
  margin-top: 10px;
  line-height: 1.5;
}

.service-card::after,
.case-card::after,
.spotlight-card::after {
  content: "";
  position: absolute;
  inset: -30% auto auto -10%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(184, 245, 210, 0.18), transparent 68%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.service-card:hover,
.case-card:hover {
  border-color: rgba(184, 245, 210, 0.28);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

.service-card:hover::after,
.case-card:hover::after,
.spotlight-card:hover::after {
  opacity: 1;
}

.service-index {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--copper);
  font-family: "Outfit", sans-serif;
}

.service-card ul {
  margin: 28px 0 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.9;
}

.architecture {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: center;
}

.architecture-visual {
  padding: 34px;
  border-radius: 34px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.architecture-line {
  position: relative;
  display: grid;
  gap: 22px;
}

.architecture-line::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, rgba(184, 245, 210, 0.85), rgba(124, 231, 203, 0.2));
}

.arch-point {
  position: relative;
  padding: 12px 12px 12px 48px;
  border-radius: 18px;
  transition: background-color 220ms ease, transform 220ms ease;
}

.arch-point::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 18px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #0f2031;
  border: 2px solid rgba(184, 245, 210, 0.24);
}

.arch-point.active::before {
  background: radial-gradient(circle at center, #fff, var(--lime));
  box-shadow: 0 0 0 8px rgba(184, 245, 210, 0.12);
}

.arch-point.active {
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(6px);
}

.arch-point strong,
.spotlight-grid strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.18rem;
}

.arch-point span {
  color: var(--muted);
}

.spotlight-card {
  padding: 40px;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
}

.spotlight-grid article {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

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

.case-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}

.case-card span {
  color: var(--teal);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.stat-card {
  padding: 28px;
}

.stat-card strong {
  display: block;
  font-family: "Outfit", sans-serif;
  font-size: 3.2rem;
}

.stat-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.form-card {
  display: grid;
  gap: 16px;
}

.form-card label {
  display: grid;
  gap: 8px;
}

.form-card span {
  color: var(--muted);
  font-size: 0.94rem;
}

.form-card input,
.form-card select,
.form-card textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
  resize: vertical;
}

.form-card input::placeholder,
.form-card textarea::placeholder {
  color: rgba(231, 243, 248, 0.4);
}

.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
  outline: none;
  border-color: rgba(184, 245, 210, 0.45);
  box-shadow: 0 0 0 3px rgba(184, 245, 210, 0.1);
}

.form-feedback {
  min-height: 1.5em;
  margin: 0;
  color: var(--teal);
}

.site-footer {
  width: var(--content-width);
  margin: 0 auto;
  padding: 0 0 34px;
}

.footer-inner {
  display: grid;
  gap: 10px;
  padding: 24px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a:hover {
  color: var(--text);
}

.case-card h3 {
  margin-top: 14px;
  line-height: 1.35;
}

.contact {
  padding-bottom: 80px;
}

.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 38px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.18); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .topbar,
  .section {
    width: min(100vw - 32px, 1180px);
  }

  .hero,
  .architecture,
  .solution-detail-grid,
  .contact-grid,
  .stats-grid,
  .service-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 24px;
  }

  .network-panel {
    min-height: 520px;
  }

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

  .contact-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .topbar {
    flex-wrap: wrap;
    gap: 16px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.88rem;
  }

  .hero {
    min-height: auto;
    gap: 24px;
  }

  .hero-actions,
  .hero-metrics,
  .contact-actions {
    flex-direction: column;
  }

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

  .panel-card-main,
  .panel-card-side,
  .service-card,
  .spotlight-card,
  .case-card,
  .contact-panel {
    padding: 22px;
  }

  .network-panel {
    min-height: 440px;
  }

  .beam-a {
    width: 52%;
  }

  .panel-card-side {
    width: auto;
    left: 8%;
    right: 8%;
  }
}