:root {
  color-scheme: dark;
  --bg: #02040d;
  --bg-soft: #06111f;
  --panel: rgba(6, 16, 32, 0.72);
  --panel-strong: rgba(9, 24, 48, 0.94);
  --text: #f5f8ff;
  --muted: #a8b5c9;
  --line: rgba(125, 188, 255, 0.18);
  --cyan: #22d3ee;
  --blue: #4f8cff;
  --green: #3ee89b;
  --pink: #e879f9;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-width: 320px;
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial,
    sans-serif;
  color: var(--text);
  background:
    linear-gradient(115deg, rgba(34, 211, 238, 0.11), transparent 22%),
    linear-gradient(245deg, rgba(232, 121, 249, 0.12), transparent 28%),
    linear-gradient(135deg, #01030a 0%, #07101e 48%, #03140f 100%);
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, transparent 0 48%, rgba(62, 232, 155, 0.09) 50%, transparent 52% 100%);
  background-size: 52px 52px, 52px 52px, 104px 104px;
  mask-image: linear-gradient(to bottom, black 0%, black 58%, transparent 90%);
  transform: perspective(900px) rotateX(58deg) translateY(-18%);
  transform-origin: top;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.035) 0,
      rgba(255, 255, 255, 0.035) 1px,
      transparent 1px,
      transparent 7px
    );
  opacity: 0.22;
  mix-blend-mode: screen;
}

.tech-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.tech-backdrop::before,
.tech-backdrop::after {
  position: absolute;
  left: -10%;
  right: -10%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.74), rgba(62, 232, 155, 0.5), transparent);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.46);
  animation: scanline 9s linear infinite;
}

.tech-backdrop::before {
  top: 18%;
}

.tech-backdrop::after {
  top: 66%;
  animation-delay: -4.2s;
}

.tech-backdrop span {
  position: absolute;
  width: 38vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 140, 255, 0.85), transparent);
  box-shadow: 0 0 16px rgba(79, 140, 255, 0.52);
  transform: rotate(-28deg);
  animation: dataflow 8s linear infinite;
}

.tech-backdrop span:nth-child(1) {
  top: 20%;
  left: -20%;
}

.tech-backdrop span:nth-child(2) {
  top: 38%;
  left: 12%;
  animation-delay: -2s;
}

.tech-backdrop span:nth-child(3) {
  top: 58%;
  left: 46%;
  animation-delay: -4s;
}

.tech-backdrop span:nth-child(4) {
  top: 78%;
  left: -8%;
  animation-delay: -6s;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(34, 211, 238, 0.08), transparent 30%, rgba(62, 232, 155, 0.07)),
    rgba(2, 4, 13, 0.76);
  backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 rgba(34, 211, 238, 0.16), 0 16px 42px rgba(0, 0, 0, 0.24);
}

.brand,
.nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.5);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.35), rgba(62, 232, 155, 0.2));
  color: #eaffff;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
  box-shadow:
    inset 0 0 18px rgba(34, 211, 238, 0.22),
    0 0 30px rgba(34, 211, 238, 0.34);
}

.nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  transition: 160ms ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(34, 211, 238, 0.1);
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.18), 0 0 18px rgba(34, 211, 238, 0.14);
}

.section {
  width: min(1200px, calc(100% - 36px));
  margin: 0 auto;
  padding: 92px 0;
  scroll-margin-top: 82px;
}

.hero {
  display: grid;
  min-height: calc(100vh - 72px);
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  align-items: center;
  gap: 54px;
  padding-top: 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.02;
  background: linear-gradient(90deg, #ffffff 0%, #8ff4ff 36%, #8dffcb 68%, #ffffff 100%);
  background-size: 180% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 36px rgba(34, 211, 238, 0.18);
  animation: titleflow 7s ease-in-out infinite;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.1;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.hero-text,
.section-heading p,
.product-copy p,
.solution-grid p,
.cooperation p,
.contact-card p,
.form-note {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  max-width: 680px;
  font-size: 18px;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.signal-row span {
  position: relative;
  min-height: 34px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 8px;
  padding: 8px 12px 8px 28px;
  color: #dffcff;
  background: rgba(34, 211, 238, 0.08);
  font-size: 12px;
  font-weight: 800;
  box-shadow: inset 0 0 18px rgba(34, 211, 238, 0.08);
}

.signal-row span::before {
  position: absolute;
  left: 11px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
  content: "";
  transform: translateY(-50%);
}

.hero-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 12px 20px;
  color: #06101c;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18), 0 16px 46px rgba(34, 211, 238, 0.34);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover,
button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.26), 0 20px 58px rgba(34, 211, 238, 0.44);
}

.button.secondary,
button.ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  padding: 14px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(232, 121, 249, 0.12)),
    rgba(255, 255, 255, 0.05);
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.14),
    0 0 48px rgba(34, 211, 238, 0.2),
    var(--shadow);
}

.hero-visual::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent),
    linear-gradient(180deg, rgba(34, 211, 238, 0.16), transparent 18%, transparent 82%, rgba(62, 232, 155, 0.14));
  transform: translateX(-120%);
  animation: shine 6s ease-in-out infinite;
  pointer-events: none;
}

.hero-visual img {
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
  object-position: top left;
  filter: saturate(1.12) contrast(1.04);
}

.visual-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 12px 16px;
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(62, 232, 155, 0.08)),
    rgba(3, 8, 18, 0.76);
  color: #eaffff;
  font-weight: 700;
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.2), 0 14px 34px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(14px);
  animation: floatpanel 5s ease-in-out infinite;
}

.visual-card-one {
  left: -18px;
  bottom: 26px;
}

.visual-card-two {
  top: 30px;
  right: -14px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.compact {
  margin-bottom: 26px;
}

.capability-strip {
  padding-top: 20px;
}

.capability-grid,
.solution-grid,
.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.capability-grid article,
.solution-grid article,
.cooperation-grid article,
.contact-card,
.message-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(34, 211, 238, 0.08), transparent 38%),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 60px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
}

.capability-grid article {
  position: relative;
  display: grid;
  min-height: 148px;
  align-content: start;
  gap: 12px;
  overflow: hidden;
  padding: 22px 18px;
  color: #e9fbff;
  box-shadow:
    inset 0 -1px 0 rgba(62, 232, 155, 0.12),
    inset 0 0 28px rgba(34, 211, 238, 0.05),
    0 18px 60px rgba(0, 0, 0, 0.2);
}

.capability-grid article::before {
  width: 34px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.55);
  content: "";
}

.capability-grid strong {
  font-size: 18px;
}

.capability-grid span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.product-list {
  display: grid;
  gap: 28px;
}

.product-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 28px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(120deg, rgba(34, 211, 238, 0.12), transparent 28%, rgba(232, 121, 249, 0.08)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.08), var(--shadow);
}

.product-panel::before {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: inherit;
  background:
    linear-gradient(90deg, rgba(34, 211, 238, 0.44), transparent 20% 80%, rgba(62, 232, 155, 0.34)) top / 100% 1px no-repeat,
    linear-gradient(90deg, rgba(34, 211, 238, 0.24), transparent 28% 72%, rgba(232, 121, 249, 0.24)) bottom / 100% 1px no-repeat;
  pointer-events: none;
}

.product-panel.reverse .product-copy {
  order: 2;
}

.product-copy {
  min-width: 0;
}

.tag {
  display: inline-flex;
  margin-bottom: 18px;
  border: 1px solid rgba(34, 211, 238, 0.34);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  font-size: 13px;
  font-weight: 700;
}

.product-copy ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  color: #dce8f9;
  list-style: none;
}

.product-copy li {
  position: relative;
  padding-left: 18px;
}

.product-copy li::before {
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.product-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.product-metrics span {
  min-height: 30px;
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 8px;
  padding: 7px 10px;
  color: #dffcff;
  background:
    linear-gradient(90deg, rgba(34, 211, 238, 0.12), rgba(62, 232, 155, 0.08)),
    rgba(255, 255, 255, 0.04);
  font-size: 12px;
  font-weight: 800;
  box-shadow: inset 0 0 18px rgba(34, 211, 238, 0.05), 0 0 16px rgba(34, 211, 238, 0.08);
}

.screenshot-grid {
  display: grid;
  min-width: 0;
  gap: 12px;
}

.screenshot-grid.large {
  grid-template-columns: repeat(6, 1fr);
}

.screenshot-grid.small {
  grid-template-columns: repeat(4, 1fr);
}

.screenshot-grid img {
  width: 100%;
  height: 150px;
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 8px;
  object-fit: cover;
  object-position: top left;
  background: #08111f;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24), 0 0 22px rgba(34, 211, 238, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.screenshot-grid img:hover {
  border-color: rgba(62, 232, 155, 0.54);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.32), 0 0 30px rgba(34, 211, 238, 0.22);
  transform: translateY(-4px);
}

.screenshot-grid.large img:first-child,
.screenshot-grid.large img:nth-child(2) {
  grid-column: span 3;
  height: 190px;
}

.screenshot-grid.large img.feature-shot {
  grid-column: 1 / -1;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  object-position: center;
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(62, 232, 155, 0.06)),
    #050b16;
}

.screenshot-grid.large img {
  grid-column: span 2;
}

.screenshot-grid.small img {
  grid-column: span 2;
  height: 190px;
}

.voice-box-shots img.wide-shot {
  grid-column: 1 / -1;
}

.solution-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.solution-grid article,
.cooperation-grid article {
  position: relative;
  overflow: hidden;
  min-height: 168px;
  padding: 24px;
}

.solution-grid article::after,
.cooperation-grid article::after {
  position: absolute;
  right: 16px;
  bottom: 14px;
  width: 68px;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--cyan), var(--green));
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.55);
}

.solution-grid h3 {
  color: #eaffff;
}

.solution-grid article:nth-child(3n + 1) h3 {
  color: var(--cyan);
}

.solution-grid article:nth-child(3n + 2) h3 {
  color: var(--green);
}

.solution-grid article:nth-child(3n) h3 {
  color: var(--pink);
}

.cooperation {
  width: 100%;
  padding-right: 18px;
  padding-left: 18px;
  background:
    linear-gradient(90deg, rgba(34, 211, 238, 0.16), rgba(62, 232, 155, 0.1)),
    rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 1px 0 rgba(34, 211, 238, 0.18), inset 0 -1px 0 rgba(62, 232, 155, 0.14);
}

.cooperation-inner {
  display: grid;
  width: min(1200px, 100%);
  margin: 0 auto;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: start;
}

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

.contact-layout {
  display: grid;
  grid-template-columns: 0.76fr 1.24fr;
  gap: 24px;
  align-items: start;
}

.contact-card,
.message-form {
  padding: 26px;
}

.contact-card a {
  color: var(--cyan);
}

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

label {
  display: grid;
  gap: 8px;
  color: #eaf2ff;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(168, 181, 201, 0.24);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  font: inherit;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.14);
}

.form-note {
  min-height: 28px;
  margin: 2px 0 0;
  font-size: 14px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 24px;
  padding: 28px 18px 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(1, 5, 14, 0.78);
  font-size: 14px;
}

.footer a {
  color: var(--cyan);
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero,
  .product-panel,
  .product-panel.reverse,
  .cooperation-inner,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .product-panel.reverse .product-copy {
    order: 0;
  }

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

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

@media (max-width: 640px) {
  .site-header {
    padding: 14px 16px;
  }

  .nav a {
    padding: 8px 9px;
    font-size: 13px;
  }

  .section {
    width: min(100% - 28px, 1200px);
    padding: 68px 0;
    scroll-margin-top: 132px;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 32px;
  }

  .visual-card {
    display: none;
  }

  .capability-grid,
  .solution-grid {
    grid-template-columns: 1fr;
  }

  .product-panel {
    padding: 18px;
  }

  .screenshot-grid.large,
  .screenshot-grid.small {
    grid-template-columns: 1fr;
  }

  .screenshot-grid.large img,
  .screenshot-grid.large img:first-child,
  .screenshot-grid.large img:nth-child(2),
  .screenshot-grid.large img.feature-shot,
  .screenshot-grid.small img {
    grid-column: auto;
    height: 180px;
  }

  .screenshot-grid.large img.feature-shot {
    height: auto;
    max-height: none;
  }

  .voice-box-shots img.wide-shot {
    grid-column: auto;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions button {
    width: 100%;
  }
}

@keyframes scanline {
  0% {
    transform: translateY(-16vh);
    opacity: 0;
  }
  10%,
  72% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(34vh);
    opacity: 0;
  }
}

@keyframes dataflow {
  0% {
    transform: translate3d(-30vw, 0, 0) rotate(-28deg);
    opacity: 0;
  }
  12%,
  70% {
    opacity: 0.7;
  }
  100% {
    transform: translate3d(110vw, 0, 0) rotate(-28deg);
    opacity: 0;
  }
}

@keyframes titleflow {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes shine {
  0%,
  58% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(120%);
  }
}

@keyframes floatpanel {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
