:root {
  color-scheme: dark;
  --bg: #05070f;
  --bg-soft: #09111f;
  --panel: rgba(9, 17, 31, 0.72);
  --panel-strong: rgba(12, 22, 40, 0.88);
  --line: rgba(138, 181, 255, 0.18);
  --line-strong: rgba(54, 217, 255, 0.38);
  --text: #f5f7fb;
  --muted: #aab4c5;
  --soft: #dbe6f6;
  --cyan: #36d9ff;
  --blue: #3867ff;
  --violet: #8b5cf6;
  --gold: #d7b56d;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.44);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(24, 38, 74, 0.34), transparent 34rem),
    linear-gradient(180deg, #000 0%, #02040a 44%, #000 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: -18vmax;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.96) 0 0.8px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 255, 255, 0.72) 0 0.9px, transparent 1.7px),
    radial-gradient(circle, rgba(153, 196, 255, 0.52) 0 1px, transparent 1.9px),
    radial-gradient(circle, rgba(255, 255, 255, 0.36) 0 1px, transparent 2px);
  background-position: 0 0, 28px 42px, 70px 18px, 110px 86px;
  background-size: 96px 96px, 142px 142px, 216px 216px, 340px 340px;
  opacity: 0.46;
  transform-origin: 50% 50%;
  will-change: auto;
}

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

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

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(2, 6, 18, 0.78), rgba(2, 6, 18, 0.38));
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 238px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(54, 217, 255, 0.45);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 25%, rgba(54, 217, 255, 0.55), rgba(56, 103, 255, 0.16) 55%, rgba(215, 181, 109, 0.18));
  box-shadow: 0 0 32px rgba(54, 217, 255, 0.26);
  color: #eaffff;
  font-weight: 800;
}

.brand strong,
.site-footer strong {
  display: block;
}

.brand strong {
  font-size: 18px;
  line-height: 1.2;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.main-nav a,
.header-call {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 14px;
  color: rgba(245, 247, 251, 0.86);
  font-size: 14px;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.header-call:hover {
  border-color: var(--line-strong);
  background: rgba(54, 217, 255, 0.08);
  color: #fff;
}

.header-call {
  border-color: rgba(215, 181, 109, 0.44);
  color: #f8d989;
  white-space: nowrap;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100vh;
  overflow: hidden;
  padding: 132px clamp(18px, 6vw, 90px) 40px;
}

.hero-video,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-video {
  background: url("media/hero-cultural-poster.jpg") center / cover no-repeat;
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.08);
}

.hero-shade {
  background:
    radial-gradient(circle at 70% 32%, rgba(54, 217, 255, 0.12), transparent 26rem),
    linear-gradient(90deg, rgba(3, 5, 11, 0.94) 0%, rgba(3, 5, 11, 0.7) 44%, rgba(3, 5, 11, 0.18) 100%),
    linear-gradient(180deg, rgba(3, 5, 11, 0.35) 0%, rgba(3, 5, 11, 0.08) 45%, #05070f 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  align-self: center;
  width: min(820px, 100%);
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 1.02;
  text-wrap: balance;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4.5vw, 58px);
  line-height: 1.12;
  text-wrap: balance;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.35;
}

.hero-lede,
.story-section p,
.intro-copy,
.section-heading p,
.scenario-grid p,
.case-feature p,
.advantage-list p,
.process-list p,
.faq-grid p,
.contact-info p,
.site-footer p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.hero-lede {
  max-width: 680px;
  color: #dce8f7;
  font-size: clamp(17px, 2vw, 21px);
}

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

.btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 24px;
  font-weight: 800;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue) 52%, var(--violet));
  box-shadow: 0 18px 54px rgba(54, 217, 255, 0.28);
  color: #03111f;
}

.btn-secondary {
  border: 1px solid rgba(245, 247, 251, 0.28);
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
}

.hero-proof {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-self: end;
  width: min(860px, 100%);
  margin-top: 70px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: rgba(6, 12, 24, 0.58);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-proof div {
  padding: 22px 24px;
}

.hero-proof div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-proof strong {
  display: block;
  color: #f7dc95;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
}

.hero-proof span {
  display: block;
  margin-top: 8px;
  color: var(--soft);
  font-size: 14px;
}

.section {
  position: relative;
  isolation: isolate;
  width: min(1200px, calc(100% - 36px));
  margin: 0 auto;
  padding: 112px 0;
}

.contact {
  scroll-margin-top: 112px;
}

.section::before {
  content: "";
  position: absolute;
  inset: -34px min(-9vw, -20px);
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.78) 0 0.8px, transparent 1.6px),
    radial-gradient(circle, rgba(255, 255, 255, 0.44) 0 0.9px, transparent 1.8px),
    radial-gradient(circle, rgba(96, 165, 250, 0.38) 0 1px, transparent 2px);
  background-position: 0 0, 52px 28px, 88px 120px;
  background-size: 118px 118px, 190px 190px, 310px 310px;
  opacity: 0.3;
  mask-image: linear-gradient(180deg, transparent 0, black 14%, black 86%, transparent 100%);
  will-change: auto;
}

.section-heading {
  max-width: 830px;
  margin-bottom: 42px;
}

.section-heading.with-action {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.text-link {
  color: var(--cyan);
  font-weight: 800;
  white-space: nowrap;
}

.story-section {
  position: relative;
  display: grid;
  min-height: 92vh;
  place-items: center;
  overflow: clip;
  contain: paint;
  padding: 120px 18px;
  background: #000;
  isolation: isolate;
}

.story-section::before,
.story-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.story-section::before {
  inset: -26vmax;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 1) 0 0.85px, transparent 1.45px),
    radial-gradient(circle, rgba(255, 255, 255, 0.78) 0 1px, transparent 1.8px),
    radial-gradient(circle, rgba(178, 214, 255, 0.55) 0 1.1px, transparent 2px),
    radial-gradient(circle, rgba(255, 255, 255, 0.34) 0 1.1px, transparent 2.2px);
  background-position: 0 0, 36px 58px, 88px 22px, 150px 104px;
  background-size: 82px 82px, 128px 128px, 196px 196px, 320px 320px;
  animation: starOrbit 190s linear infinite;
  opacity: 0.62;
  transform-origin: 50% 50%;
  will-change: transform;
}

.story-section::after {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.36) 74%, #000 100%);
  opacity: 1;
}

.cosmic-flow {
  position: absolute;
  inset: -34vmax;
  z-index: 1;
  pointer-events: none;
  transform: none;
  will-change: transform;
}

.cosmic-flow::before,
.cosmic-flow::after,
.cosmic-flow span {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  opacity: 0.45;
  transform-origin: 50% 50%;
  will-change: transform, opacity;
}

.cosmic-flow::before {
  background:
    conic-gradient(from 0deg at 50% 50%, transparent 0deg, transparent 34deg, rgba(255, 255, 255, 0.2) 43deg, rgba(255, 255, 255, 0.04) 55deg, transparent 72deg, transparent 155deg, rgba(54, 217, 255, 0.07) 166deg, transparent 184deg, transparent 360deg);
  animation: simpleRotate 180s linear infinite;
}

.cosmic-flow::after {
  display: none;
}

.cosmic-flow span:nth-child(1) {
  display: none;
}

.cosmic-flow span:nth-child(2) {
  display: none;
}

.cosmic-flow span:nth-child(3) {
  display: none;
}

.star-field {
  position: absolute;
  inset: -10%;
  z-index: 1;
  transform: none;
  will-change: auto;
}

.star-field::before,
.star-field::after {
  content: "";
  position: absolute;
  inset: -20%;
  border-radius: 50%;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.94) 0 0.85px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 255, 255, 0.5) 0 1px, transparent 1.9px);
  background-position: 18px 12px, 76px 64px;
  background-size: 72px 72px, 146px 146px;
  opacity: 0.34;
  transform-origin: 50% 50%;
}

.star-field::after {
  background-position: 34px 92px, 120px 28px;
  background-size: 108px 108px, 230px 230px;
  display: none;
}

.star-field span {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.72);
}

.star-field span:nth-child(1) { left: 7%; top: 18%; }
.star-field span:nth-child(2) { left: 16%; top: 56%; width: 2px; height: 2px; }
.star-field span:nth-child(3) { left: 28%; top: 28%; }
.star-field span:nth-child(4) { left: 38%; top: 12%; width: 2px; height: 2px; }
.star-field span:nth-child(5) { left: 47%; top: 42%; }
.star-field span:nth-child(6) { left: 57%; top: 71%; width: 4px; height: 4px; }
.star-field span:nth-child(7) { left: 66%; top: 18%; }
.star-field span:nth-child(8) { left: 76%; top: 38%; width: 2px; height: 2px; }
.star-field span:nth-child(9) { left: 87%; top: 64%; }
.star-field span:nth-child(10) { left: 94%; top: 24%; width: 2px; height: 2px; }
.star-field span:nth-child(11) { left: 11%; top: 82%; width: 2px; height: 2px; }
.star-field span:nth-child(12) { left: 23%; top: 73%; }
.star-field span:nth-child(13) { left: 32%; top: 61%; width: 2px; height: 2px; }
.star-field span:nth-child(14) { left: 43%; top: 84%; }
.star-field span:nth-child(15) { left: 52%; top: 24%; width: 2px; height: 2px; }
.star-field span:nth-child(16) { left: 61%; top: 50%; }
.star-field span:nth-child(17) { left: 72%; top: 82%; width: 2px; height: 2px; }
.star-field span:nth-child(18) { left: 81%; top: 15%; width: 4px; height: 4px; }
.star-field span:nth-child(19) { left: 89%; top: 48%; }
.star-field span:nth-child(20) { left: 96%; top: 78%; width: 2px; height: 2px; }

.story-inner {
  position: relative;
  z-index: 2;
  width: min(1120px, 100%);
  text-align: center;
  transform: none;
  will-change: auto;
}

@media (min-width: 1025px) and (prefers-reduced-motion: no-preference) {
  body::before {
    animation: deepStarRotate 280s linear infinite;
    will-change: transform;
  }
}

@media (min-width: 701px) {
  .cases,
  .scenarios,
  .process,
  .faq {
    content-visibility: auto;
    contain-intrinsic-size: auto 900px;
  }
}

.story-title {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.04em;
  margin: 0 auto 34px;
  color: #fff;
  font-size: clamp(54px, 8vw, 118px);
  font-weight: 300;
  line-height: 1.05;
}

.story-title span:not(.outline-word),
.story-line span:not(.outline-word) {
  font-weight: 800;
}

.outline-word {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.86);
  font-family: "Arial", "Helvetica Neue", sans-serif;
  font-weight: 200;
  letter-spacing: 0.02em;
}

.story-section p {
  max-width: 760px;
  margin-right: auto;
  margin-bottom: 22px;
  margin-left: auto;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.85;
}

.story-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.08em;
  margin-top: clamp(70px, 12vw, 150px);
  color: #fff;
  font-size: clamp(42px, 7vw, 100px);
  line-height: 1.05;
}

@keyframes pageStars {
  from {
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
  }
  to {
    background-position: 70px -120px, -90px 80px, 120px 90px, -60px -70px, 90px 40px;
  }
}

@keyframes starOrbit {
  from {
    transform: rotate(0deg) scale(1.08);
  }
  to {
    transform: rotate(360deg) scale(1.08);
  }
}

@keyframes starBreathe {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.9;
  }
}

@keyframes deepStarRotate {
  from {
    transform: rotate(0deg) scale(1.05);
  }
  to {
    transform: rotate(360deg) scale(1.05);
  }
}

@keyframes sectionStarDrift {
  from {
    transform: rotate(0deg) scale(1.03);
  }
  to {
    transform: rotate(-360deg) scale(1.03);
  }
}

@keyframes deepStarPulse {
  0%,
  100% {
    opacity: 0.42;
  }
  50% {
    opacity: 0.72;
  }
}

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

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

@media (prefers-reduced-motion: reduce) {
  .story-section::before,
  .cosmic-flow::before,
  body::before {
    animation: none;
  }
}

.case-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.9fr);
  gap: 18px;
}

.case-carousel {
  position: relative;
  min-height: clamp(520px, 52vw, 720px);
  overflow: hidden;
  padding: 0 clamp(44px, 8vw, 128px);
}

.case-carousel-track { position: relative; height: clamp(520px, 52vw, 720px); }
.case-slide {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(82vw, 1060px);
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  opacity: 0;
  transform: translateX(-50%) scale(.86);
  transition: opacity .45s ease, transform .55s ease;
  pointer-events: none;
  background: #050810;
}
.case-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(2,6,18,0) 42%, rgba(2,6,18,.92) 100%); }
.case-slide img { width: 100%; height: 100%; object-fit: cover; }
.case-slide.is-active { opacity: 1; transform: translateX(-50%) scale(1); z-index: 3; pointer-events: auto; }
.case-slide.is-prev { opacity: .52; transform: translateX(calc(-50% - min(49vw, 630px))) scale(.78); z-index: 2; }
.case-slide.is-next { opacity: .52; transform: translateX(calc(-50% + min(49vw, 630px))) scale(.78); z-index: 2; }
.case-slide-caption { position: absolute; right: 0; bottom: 0; left: 0; z-index: 2; padding: clamp(24px, 5vw, 62px); }
.case-slide-caption span { color: var(--gold); font-size: 13px; font-weight: 800; }
.case-slide-caption h3 { max-width: 700px; margin-top: 10px; font-size: clamp(30px, 4.4vw, 64px); line-height: 1.04; }
.case-slide-caption p { max-width: 680px; margin-top: 12px; color: var(--muted); font-size: clamp(14px, 1.5vw, 18px); }
.case-carousel-control { position: absolute; top: 50%; z-index: 5; display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(255,255,255,.38); border-radius: 50%; color: #fff; background: rgba(5,8,16,.6); font-size: 24px; transform: translateY(-50%); cursor: pointer; }
.case-carousel-control:hover { border-color: var(--gold); color: var(--gold); }
.case-carousel-prev { left: 8px; }
.case-carousel-next { right: 8px; }
.case-carousel-dots { position: absolute; bottom: 22px; left: 50%; z-index: 6; display: flex; gap: 8px; transform: translateX(-50%); }
.case-carousel-dots button { width: 28px; height: 4px; padding: 0; border: 0; border-radius: 999px; background: rgba(255,255,255,.35); cursor: pointer; }
.case-carousel-dots button.is-active { background: var(--gold); }

.featured-case-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #050810;
  box-shadow: var(--shadow);
}
.featured-case-media video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 8.4;
  object-fit: contain;
  background: #02050c;
}
.featured-case-media > img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 8.4;
  object-fit: cover;
  background: #02050c;
}
.featured-case-media figcaption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr);
  gap: 18px 42px;
  padding: 28px clamp(24px, 4vw, 52px) 32px;
  border-top: 1px solid var(--line);
}
.featured-case-media figcaption span { color: var(--cyan); font-size: 13px; font-weight: 800; }
.featured-case-media figcaption h3 { grid-column: 1; margin-top: 8px; font-size: clamp(28px, 3vw, 46px); line-height: 1.08; }
.featured-case-media figcaption p { grid-column: 2; grid-row: 1 / span 2; align-self: end; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }

.capabilities { width: min(100% - 56px, 1320px); }
.capabilities-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .72fr); gap: 40px; align-items: end; margin-bottom: 34px; }
.capabilities-heading h2 { max-width: 760px; }
.capabilities-heading > p { margin: 0; padding-bottom: 6px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.capability-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability-grid article { min-height: 248px; padding: 28px 26px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg, rgba(17, 32, 56, .72), rgba(5, 10, 20, .8)); }
.capability-grid span { color: var(--cyan); font-size: 13px; font-weight: 800; }
.capability-grid h3 { margin-top: 42px; font-size: 22px; line-height: 1.2; }
.capability-grid p { margin-top: 12px; color: var(--muted); line-height: 1.75; }

.case-feature,
.case-card,
.scenario-grid article,
.advantage-list article,
.process-list li,
.faq-grid article,
.contact-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 28, 50, 0.72), rgba(6, 12, 24, 0.66));
  box-shadow: var(--shadow);
}

.case-feature,
.case-card {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
}

.case-feature {
  grid-row: span 3;
  min-height: 640px;
}

.case-feature picture,
.case-card picture {
  position: absolute;
  inset: 0;
}

.case-feature img,
.case-card img,
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-feature::after,
.case-card::after,
.split-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 34%, rgba(2, 6, 18, 0.86) 100%);
}

.case-feature div,
.case-card div {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  padding: clamp(20px, 4vw, 38px);
}

.case-feature span,
.case-card span,
.scenario-grid span,
.process-list span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.case-feature h3 {
  max-width: 620px;
  margin-top: 10px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
}

.case-card {
  min-height: 200px;
}

.case-card h3 {
  margin-top: 8px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.scenario-grid article,
.advantage-list article,
.process-list li,
.faq-grid article {
  border-radius: 18px;
  padding: 26px;
}

.scenario-grid h3,
.process-list h3 {
  margin-top: 16px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.split-media {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.split-media picture {
  position: absolute;
  inset: 0;
}

.split-copy h2 {
  margin-bottom: 30px;
}

.advantage-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 34px;
  border-radius: 28px;
  padding: clamp(24px, 4vw, 48px);
  background:
    radial-gradient(circle at 92% 12%, rgba(54, 217, 255, 0.16), transparent 18rem),
    linear-gradient(180deg, rgba(16, 28, 50, 0.86), rgba(6, 12, 24, 0.78));
}

.contact-info dl {
  display: grid;
  gap: 16px;
  margin: 30px 0 0;
}

.contact-info dl div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
}

.contact-info dt {
  color: var(--muted);
}

.contact-info dd {
  margin: 0;
}

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

.contact-form label {
  display: grid;
  gap: 8px;
  color: #e8f2ff;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(138, 181, 255, 0.24);
  border-radius: 14px;
  background: rgba(2, 8, 23, 0.62);
  color: var(--text);
  font: inherit;
  outline: none;
  padding: 15px 16px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(170, 180, 197, 0.62);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(54, 217, 255, 0.12);
}

.contact-form button {
  min-height: 52px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--blue), var(--violet));
  color: #03111f;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.form-status {
  min-height: 26px;
  margin: 0;
  color: var(--cyan);
  font-size: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 42px clamp(18px, 4vw, 64px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(2, 6, 18, 0.92);
}

.site-footer strong {
  margin-bottom: 8px;
}

.footer-meta {
  max-width: 580px;
  text-align: right;
}

.footer-meta p {
  margin-bottom: 6px;
  font-size: 13px;
}

.footer-meta a {
  color: var(--cyan);
  font-size: 13px;
}

@media (hover: hover) {
  .case-feature img,
  .case-card img,
  .btn {
    transition: transform 0.35s ease, box-shadow 0.2s ease;
  }

  .case-feature:hover img,
  .case-card:hover img {
    transform: scale(1.035);
  }

  .btn-primary:hover {
    box-shadow: 0 20px 70px rgba(54, 217, 255, 0.36);
  }
}

@media (max-width: 1024px) {
  .site-header {
    position: sticky;
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: auto;
    padding-top: 92px;
  }

  .section-intro,
  .split-section,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .case-showcase {
    grid-template-columns: 1fr;
  }

  .case-carousel { min-height: 520px; padding: 0 32px; }
  .case-carousel-track { height: 520px; }
  .case-slide { width: 78vw; }
  .case-slide.is-prev { transform: translateX(calc(-50% - 39vw)) scale(.78); }
  .case-slide.is-next { transform: translateX(calc(-50% + 39vw)) scale(.78); }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-grid article { min-height: 220px; }

  .case-feature,
  .case-card,
  .split-media {
    min-height: 420px;
  }

  .case-carousel { min-height: 420px; padding: 0; }
  .case-carousel-track { height: 420px; }
  .case-slide { width: 100%; border-radius: 14px; }
  .case-slide.is-prev, .case-slide.is-next { opacity: 0; transform: translateX(-50%) scale(.94); }
  .case-carousel-control { width: 36px; height: 36px; }
  .case-carousel-dots { bottom: 14px; }
  .featured-case-media { border-radius: 12px; }
  .featured-case-media video { aspect-ratio: 16 / 10; }
  .featured-case-media figcaption { display: block; padding: 22px 20px 24px; }
  .featured-case-media figcaption h3 { margin-top: 8px; }
  .featured-case-media figcaption p { margin-top: 14px; font-size: 15px; }
  .capabilities { width: min(100% - 28px, 1320px); }
  .capabilities-heading { grid-template-columns: 1fr; gap: 14px; margin-bottom: 26px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { min-height: 0; padding: 24px 22px; }
  .capability-grid h3 { margin-top: 28px; }

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

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

@media (max-width: 700px) {
  body::before,
  .section::before,
  .story-section::before,
  .cosmic-flow::before {
    animation: none;
  }

  .site-header {
    position: relative;
    padding: 14px 18px;
    backdrop-filter: none;
    background: rgba(2, 6, 18, 0.94);
  }

  .brand {
    min-width: 0;
  }

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

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .main-nav a,
  .header-call {
    padding: 8px 10px;
    font-size: 13px;
  }

  .hero {
    padding: 88px 18px 28px;
  }

  .hero-video video {
    display: none;
  }

  .hero-proof {
    box-shadow: none;
    backdrop-filter: none;
    background: rgba(6, 12, 24, 0.86);
  }

  .case-feature,
  .case-card,
  .scenario-grid article,
  .advantage-list article,
  .process-list li,
  .faq-grid article,
  .contact-card,
  .split-media {
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.22);
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(3, 5, 11, 0.68) 0%, rgba(3, 5, 11, 0.76) 52%, #05070f 100%),
      linear-gradient(90deg, rgba(3, 5, 11, 0.88), rgba(3, 5, 11, 0.44));
  }

  h1 {
    font-size: clamp(40px, 13vw, 58px);
  }

  h2 {
    font-size: clamp(28px, 9vw, 40px);
  }

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

  .btn {
    width: 100%;
  }

  .hero-proof,
  .scenario-grid,
  .advantage-list,
  .process-list,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .hero-proof div + div {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 0;
  }

  .section {
    width: min(100% - 28px, 1200px);
    padding: 70px 0;
  }

  .section-heading.with-action,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .case-feature,
  .case-card,
  .split-media {
    min-height: 330px;
  }

  .contact-info dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-meta {
    text-align: left;
  }
}