:root {
  --bg: #080808;
  --bg-soft: #111214;
  --panel: rgba(15, 17, 22, 0.92);
  --panel-strong: #101218;
  --panel-soft: #171a21;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f7fb;
  --muted: #a5adbb;
  --accent: #146ef5;
  --accent-strong: #3b89ff;
  --accent-soft: rgba(20, 110, 245, 0.16);
  --accent-purple: #7a3dff;
  --success: #00d722;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(20, 110, 245, 0.22), transparent 32%),
    radial-gradient(circle at 78% 12%, rgba(122, 61, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #101218 0%, #0b0d12 42%, #080808 100%);
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.72), transparent 92%);
  pointer-events: none;
}

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

.page-shell {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(8, 8, 8, 0.88), rgba(8, 8, 8, 0.48));
}

.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

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

.brand-mark {
  width: 16px;
  height: 16px;
  border: 2px solid var(--accent);
  border-right-width: 5px;
  transform: rotate(45deg);
  box-shadow:
    0 0 0 6px rgba(20, 110, 245, 0.08),
    0 0 36px rgba(20, 110, 245, 0.22);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-text strong,
.site-nav a,
.button,
.metric-card strong,
.service-card h3,
.process-step h3,
.about-panel h3,
.showcase-card h3,
.contact-list strong {
  font-family: "Manrope", "Noto Sans SC", sans-serif;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 180ms ease;
}

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

.section {
  padding: 80px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  padding-top: 104px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about-copy h2,
.contact-card h2 {
  margin: 0;
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 1.02;
}

.lead,
.service-card p,
.process-step p,
.about-copy p,
.showcase-card p,
.contact-card p {
  color: var(--muted);
  line-height: 1.76;
  font-size: 1rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  text-transform: none;
  letter-spacing: -0.01em;
  font-size: 0.95rem;
  font-weight: 600;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
  color: #fff;
  box-shadow:
    0 10px 30px rgba(20, 110, 245, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.hero-panel,
.service-card,
.process-step,
.about-panel,
.showcase-card,
.contact-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(18, 21, 28, 0.96), rgba(10, 12, 18, 0.98)),
    linear-gradient(135deg, rgba(20, 110, 245, 0.04), transparent 44%);
  box-shadow: var(--shadow);
  border-radius: 24px;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 24px;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(20, 110, 245, 0.16), transparent 34%),
    linear-gradient(130deg, transparent 42%, rgba(59, 137, 255, 0.12) 43%, transparent 44%),
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.03) 50%, transparent 100%);
  pointer-events: none;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -48px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122, 61, 255, 0.24), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

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

.metric-card {
  min-height: 168px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
    rgba(8, 8, 8, 0.18);
}

.metric-card span {
  color: var(--muted);
  font-size: 0.86rem;
}

.metric-card strong {
  font-size: 1.15rem;
  line-height: 1.35;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2,
.about-copy h2,
.contact-card h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.04;
}

.section-subtext {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.72;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.service-card,
.showcase-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 18px 18px 24px;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease;
}

.showcase-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 137, 255, 0.26);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(59, 137, 255, 0.08);
}

.showcase-shot {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 10;
  min-height: 0;
  padding: 14px;
  background:
    radial-gradient(circle at top left, rgba(20, 110, 245, 0.22), transparent 34%),
    linear-gradient(180deg, rgba(18, 23, 34, 0.96), rgba(9, 13, 20, 1));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition:
    border-color 220ms ease,
    transform 220ms ease;
}

.showcase-card:hover .showcase-shot {
  border-color: rgba(59, 137, 255, 0.22);
  transform: translateY(-1px);
}

.showcase-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: 100%;
  height: 100%;
  margin: 0 auto;
  object-fit: contain;
}

.showcase-type {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 0.42rem 0.72rem;
  border: 1px solid rgba(59, 137, 255, 0.18);
  border-radius: 999px;
  background: rgba(20, 110, 245, 0.08);
  color: #bcd4ff;
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.showcase-card h3 {
  margin: 0 0 10px;
}

.showcase-card p {
  margin: 0;
}

.showcase-meta {
  display: grid;
  gap: 10px;
  margin-top: auto;
  padding-top: 18px;
}

.showcase-meta span {
  display: block;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #95a0b4;
  font-size: 0.9rem;
  line-height: 1.6;
}

.service-card::before,
.showcase-card::before,
.process-step::before,
.about-panel::before,
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 28%);
  pointer-events: none;
}

.card-index {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-family: "Manrope", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.service-card h3,
.process-step h3,
.showcase-card h3 {
  margin: 0 0 10px;
  font-size: 1.34rem;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-step {
  padding: 22px;
  position: relative;
}

.process-step span {
  display: inline-flex;
  margin-bottom: 44px;
  color: var(--accent-strong);
  font-family: "Manrope", sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
}

.about-section {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
}

.about-panel {
  padding: 28px;
  position: relative;
}

.about-panel h3 {
  margin: 0 0 18px;
  font-size: 1.1rem;
}

.about-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-panel li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.about-panel li:first-child {
  border-top: 0;
}

.contact-card {
  padding: 32px;
  position: relative;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.contact-list div {
  padding: 16px 18px 0 0;
  border-top: 1px solid var(--line);
}

.contact-list span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.contact-list strong {
  font-size: 1rem;
}

.site-footer {
  padding: 0 0 32px;
  color: #8e949b;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 960px) {
  .hero,
  .about-section,
  .process-list,
  .contact-list,
  .card-grid {
    grid-template-columns: 1fr;
  }

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

  .hero h1 {
    max-width: none;
  }

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

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    gap: 14px;
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    padding-top: 48px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .button {
    width: 100%;
  }

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

  .service-card,
  .showcase-card,
  .process-step,
  .about-panel,
  .contact-card,
  .hero-panel {
    border-radius: 20px;
  }
}