:root {
  --bg: #07111f;
  --bg-soft: #0d1f35;
  --panel: rgba(10, 25, 46, 0.72);
  --panel-strong: rgba(9, 20, 38, 0.92);
  --line: rgba(124, 211, 255, 0.18);
  --text: #f4fbff;
  --muted: #8db7cf;
  --accent: #51e4ff;
  --accent-strong: #00b9ff;
  --accent-warm: #8cf3ff;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Bahnschrift", "Aptos", "Microsoft YaHei UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, rgba(0, 185, 255, 0.18), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(81, 228, 255, 0.14), transparent 22%),
    radial-gradient(circle at 80% 55%, rgba(27, 68, 120, 0.3), transparent 22%),
    linear-gradient(160deg, #040a12 0%, #081323 45%, #0d1d33 100%);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background:
    linear-gradient(rgba(113, 204, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(113, 204, 255, 0.06) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 85%);
}

body::after {
  background: linear-gradient(to bottom, rgba(3, 8, 14, 0) 0%, rgba(3, 8, 14, 0.65) 75%, rgba(3, 8, 14, 1) 100%);
}

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

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

.page-shell {
  width: min(100%, calc(var(--max-width) + 48px));
  margin: 0 auto;
  padding: 20px 24px 80px;
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  margin-bottom: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  background: rgba(5, 15, 28, 0.7);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.22);
}

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

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-copy strong {
  font-size: 0.98rem;
  letter-spacing: 0.03em;
}

.brand-copy small {
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--muted);
  transition: color 200ms ease, opacity 200ms ease;
}

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

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.section {
  padding: 38px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 42px;
  min-height: calc(100vh - 150px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.values-copy h2 {
  margin: 0;
  font-family: "Arial Narrow", "Bahnschrift", sans-serif;
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.9rem, 6vw, 5.6rem);
}

.hero h1 span {
  display: block;
  color: var(--accent-warm);
  text-shadow: 0 0 24px rgba(81, 228, 255, 0.2);
}

.hero-text,
.about-panel p,
.feature-card p,
.capability-copy p,
.process-rail p,
.timeline-item p,
.values-copy p,
.contact-card p,
.intro-band p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent-warm), var(--accent-strong));
  color: #06111d;
  box-shadow: 0 18px 36px rgba(0, 185, 255, 0.2);
}

.button-secondary {
  border-color: rgba(133, 213, 255, 0.36);
  background: rgba(255, 255, 255, 0.03);
}

.hero-points {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 24px;
  color: #cae7f8;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-warm), var(--accent-strong));
  box-shadow: 0 0 18px rgba(81, 228, 255, 0.65);
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.hero-card {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(133, 213, 255, 0.22);
  background: rgba(8, 20, 37, 0.7);
  box-shadow: var(--shadow);
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card-main {
  inset: 50px 0 110px 90px;
  border-radius: 36px;
}

.hero-card-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 10, 17, 0.75), rgba(5, 10, 17, 0.05));
}

.hero-card-copy {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 24px;
  z-index: 1;
}

.hero-card-copy span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.hero-card-copy strong {
  font-size: 1.2rem;
}

.hero-card-float {
  left: 0;
  top: 0;
  width: 44%;
  height: 220px;
  border-radius: 30px;
  transform: rotate(-7deg);
}

.hero-stats {
  position: absolute;
  right: 0;
  bottom: 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: min(100%, 560px);
}

.hero-stats article,
.intro-band,
.about-panel,
.feature-card,
.capability-card,
.process-rail article,
.timeline-item,
.contact-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 31, 53, 0.74), rgba(7, 17, 31, 0.88));
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-stats article {
  padding: 18px;
  border-radius: 20px;
}

.hero-stats strong {
  display: block;
  color: var(--accent-warm);
  font-size: 2rem;
  margin-bottom: 6px;
}

.hero-stats span {
  color: var(--muted);
}

.intro-band {
  display: grid;
  place-items: center;
  min-height: 98px;
  margin-top: 24px;
  border-radius: var(--radius-lg);
}

.intro-band p {
  margin: 0;
  text-align: center;
  font-size: 1.05rem;
  width: min(100%, 880px);
}

.section-grid,
.about-grid,
.values-section,
.contact-grid {
  display: grid;
  gap: 24px;
}

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

.section-heading h2,
.values-copy h2 {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
}

.about-grid {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  align-items: stretch;
}

.about-panel {
  padding: 28px 30px;
  border-radius: var(--radius-lg);
}

.about-panel-main {
  display: grid;
  gap: 22px;
}

.about-copy {
  display: grid;
  gap: 18px;
}

.about-copy p,
.about-meta-item p,
.timeline-content p {
  margin: 0;
}

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

.about-meta-item {
  padding: 18px 20px;
  border: 1px solid rgba(124, 211, 255, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.about-meta-item h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  padding: 24px;
  border-radius: var(--radius-md);
  min-height: 190px;
  display: flex;
  flex-direction: column;
}

.feature-card span,
.process-rail span {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.feature-card h3,
.capability-copy h3,
.process-rail h3,
.timeline-item h3,
.contact-card h3 {
  margin: 12px 0 10px;
  font-size: 1.18rem;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.capability-card {
  overflow: hidden;
  border-radius: 26px;
}

.capability-card img {
  width: 100%;
  aspect-ratio: 1.15;
  object-fit: cover;
}

.capability-copy {
  padding: 22px;
}

.capability-copy p {
  margin-bottom: 0;
}

.process-section {
  position: relative;
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.process-rail article {
  position: relative;
  padding: 24px;
  min-height: 220px;
  border-radius: 22px;
}

.process-rail article::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 20px;
  height: 2px;
  background: linear-gradient(to right, rgba(81, 228, 255, 0.5), transparent);
}

.process-rail article:last-child::after {
  display: none;
}

.timeline {
  position: relative;
  display: grid;
  gap: 16px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 146px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, rgba(81, 228, 255, 0), rgba(81, 228, 255, 0.55), rgba(81, 228, 255, 0));
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 34px;
  align-items: start;
  padding: 24px 28px 24px 34px;
  border-radius: 24px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 137px;
  top: 34px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-warm), var(--accent-strong));
  box-shadow: 0 0 22px rgba(81, 228, 255, 0.46);
}

.timeline-year {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 2px;
}

.timeline-year strong {
  color: var(--accent);
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: 0.08em;
}

.timeline-year small {
  color: #d1efff;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.values-section {
  grid-template-columns: 1fr auto;
  align-items: end;
  padding: 42px 38px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(13, 31, 53, 0.76), rgba(7, 17, 31, 0.92)),
    url("./assets/images/punch-machine.jpeg") center / cover;
  background-blend-mode: overlay;
  box-shadow: var(--shadow);
}

.values-copy {
  max-width: 720px;
}

.values-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.values-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(163, 230, 255, 0.24);
  background: rgba(4, 12, 22, 0.65);
  color: #dff8ff;
}

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

.logo-grid div {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding: 28px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(247, 251, 255, 0.96);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

.logo-grid img {
  max-height: 72px;
  width: auto;
}

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

.contact-card {
  padding: 24px;
  border-radius: 22px;
}

.contact-card p {
  margin: 10px 0 0;
}

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

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

.site-footer {
  padding: 32px 0 20px;
  text-align: center;
}

.footer-company {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-icp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.icp-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.footer-icp a {
  transition: color 200ms ease;
}

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

@media (max-width: 1100px) {
  .hero,
  .about-grid,
  .values-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 12px;
  }

  .hero-visual {
    min-height: 560px;
  }

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

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

  .process-rail article:nth-child(2n)::after {
    display: none;
  }

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

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

@media (max-width: 820px) {
  .page-shell {
    padding-inline: 16px;
  }

  .site-header {
    top: 10px;
    flex-wrap: wrap;
    border-radius: 28px;
  }

  .nav-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 8px;
  }

  .site-header.nav-open .site-nav {
    display: flex;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 14vw, 4rem);
  }

  .hero-visual {
    min-height: 480px;
  }

  .hero-card-main {
    inset: 56px 0 122px 18px;
  }

  .hero-card-float {
    width: 46%;
    height: 180px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    width: 64%;
  }

  .timeline::before,
  .timeline-item::before {
    display: none;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 26px 0;
  }

  .brand-copy small {
    display: none;
  }

  .hero-actions,
  .values-tags {
    flex-direction: column;
  }

  .button,
  .values-tags span {
    width: 100%;
  }

  .capability-grid,
  .process-rail,
  .logo-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .about-meta {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 420px;
  }

  .hero-card-main {
    inset: 68px 0 150px 0;
    border-radius: 24px;
  }

  .hero-card-float {
    top: 0;
    left: auto;
    right: 12px;
    width: 46%;
    height: 126px;
  }

  .hero-stats {
    width: 100%;
  }

  .intro-band {
    padding: 18px;
  }

  .values-section {
    padding: 26px 22px;
  }
}