:root {
  --bg: #07111d;
  --bg-soft: #0d1a2a;
  --panel: rgba(10, 20, 34, 0.72);
  --panel-strong: rgba(9, 17, 29, 0.9);
  --line: rgba(255, 255, 255, 0.08);
  --text: #f5f7fb;
  --muted: #92a2b8;
  --accent: #ff5266;
  --accent-soft: rgba(255, 82, 102, 0.16);
  --blue: #4ab6ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: min(1180px, calc(100vw - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(61, 109, 191, 0.22), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(255, 82, 102, 0.15), transparent 22%),
    linear-gradient(180deg, #030914 0%, #08111e 45%, #050a12 100%);
}

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

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
}

.page-shell::before {
  top: 140px;
  left: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(74, 182, 255, 0.12);
  filter: blur(10px);
}

.page-shell::after {
  right: -80px;
  bottom: 120px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 82, 102, 0.12);
  filter: blur(16px);
}

.hero,
.services,
.intro {
  position: relative;
  z-index: 1;
  width: var(--content-width);
  margin: 0 auto;
}

.hero {
  padding: 28px 0 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 0 32px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-subtitle,
.top-link,
.eyebrow {
  color: var(--muted);
}

.brand-subtitle,
.top-link {
  font-size: 0.92rem;
}

.top-link {
  text-decoration: none;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  transition: 180ms ease;
}

.top-link:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.18);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 40px;
  align-items: center;
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.12;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(2.5rem, 4.6vw, 5.2rem);
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.hero-text,
.section-heading p,
.service-copy p,
.intro-panel p {
  color: #c3cedc;
}

.hero-text {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 1.04rem;
  line-height: 1.9;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.hero-metrics article {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(14px);
}

.hero-metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(1.6rem, 2vw, 2.1rem);
  color: var(--text);
}

.hero-metrics span {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--muted);
}

.hero-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(84, 120, 255, 0.2), transparent 36%),
    linear-gradient(180deg, #101e39 0%, #0a1221 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  isolation: isolate;
}

.hero-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(6, 12, 22, 0.18)),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 24px,
      rgba(255, 255, 255, 0.02) 24px,
      rgba(255, 255, 255, 0.02) 25px
    );
  z-index: 1;
}

.hero-frame img {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: 26px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.34);
}

.overlay-tag,
.service-copy span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #ffd2d8;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.services,
.intro {
  padding-bottom: 84px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h2 {
  font-size: clamp(1.9rem, 3vw, 3.15rem);
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 16px 0 0;
  line-height: 1.85;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 22px;
}

.service-card {
  grid-column: span 4;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(11, 22, 37, 0.96), rgba(6, 12, 21, 0.96));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.service-card-large {
  grid-column: span 12;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
}

.service-image {
  position: relative;
  min-height: 260px;
}

.service-card-large .service-image {
  min-height: 360px;
}

.service-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 18, 0) 0%, rgba(5, 10, 18, 0.18) 100%);
}

.service-image img {
  height: 100%;
  object-fit: cover;
}

.service-copy {
  padding: 24px;
}

.service-copy h3 {
  margin: 16px 0 12px;
  font-size: 1.4rem;
  line-height: 1.35;
}

.service-copy p {
  margin: 0;
  line-height: 1.8;
}

.intro-heading {
  margin-bottom: 26px;
}

.intro-panel {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(12, 22, 37, 0.9), rgba(7, 14, 23, 0.96)),
    linear-gradient(135deg, rgba(74, 182, 255, 0.06), transparent 40%);
  box-shadow: var(--shadow);
}

.intro-panel p {
  margin: 0;
  font-size: 1rem;
  line-height: 2;
}

.intro-panel p + p {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 1080px) {
  .hero-grid,
  .service-card-large {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 12ch;
  }

  .hero-visual {
    order: -1;
  }

  .service-card {
    grid-column: span 6;
  }

  .service-card-large {
    grid-column: span 12;
  }
}

@media (max-width: 720px) {
  :root {
    --content-width: min(100vw - 24px, 100%);
    --radius-xl: 24px;
    --radius-lg: 20px;
  }

  .hero {
    padding-top: 18px;
    padding-bottom: 56px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 24px;
  }

  .brand-mark {
    gap: 10px;
  }

  .brand-logo {
    width: 30px;
    height: 30px;
  }

  .hero-copy h1 {
    max-width: 100%;
    font-size: clamp(2rem, 10vw, 3.1rem);
  }

  .hero-text {
    font-size: 0.98rem;
    line-height: 1.8;
  }

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

  .service-card,
  .service-card-large {
    grid-column: span 1;
  }

  .service-image,
  .service-card-large .service-image {
    min-height: 220px;
  }

  .hero-frame {
    padding: 18px 14px 14px;
  }

  .hero-frame img {
    width: min(100%, 560px);
    border-radius: 18px;
  }

  .services,
  .intro {
    padding-bottom: 64px;
  }

  .intro-panel p {
    font-size: 0.96rem;
    line-height: 1.9;
  }
}