:root {
  --bg: #040b14;
  --bg-soft: #0a1626;
  --panel: rgba(12, 27, 45, 0.74);
  --panel-border: rgba(124, 181, 255, 0.25);
  --text: #e6f1ff;
  --text-soft: #b8c8de;
  --accent: #23d5c8;
  --accent-2: #3aa1ff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  background: radial-gradient(circle at 15% 15%, #12335f 0%, transparent 30%),
    radial-gradient(circle at 80% 0%, #0f4f6d 0%, transparent 26%),
    linear-gradient(180deg, #030911 0%, #061324 45%, #040b14 100%);
  color: var(--text);
  line-height: 1.7;
}

html[lang="en"] body {
  font-family: "Manrope", "Segoe UI", sans-serif;
}

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

img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(3, 9, 17, 0.74);
  border-bottom: 1px solid rgba(105, 160, 230, 0.2);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.logo span {
  font-size: 11px;
  color: var(--text-soft);
  letter-spacing: 0.22em;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--text-soft);
  font-size: 14px;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-label {
  font-size: 12px;
  color: var(--text-soft);
}

.lang-switch {
  background: rgba(5, 16, 29, 0.86);
  color: var(--text);
  border: 1px solid rgba(166, 209, 255, 0.35);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
  outline: none;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

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

.btn-outline {
  border-color: rgba(166, 209, 255, 0.35);
  color: var(--text-soft);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #03131f;
  box-shadow: 0 10px 30px rgba(46, 174, 235, 0.35);
}

.btn-ghost {
  border-color: rgba(148, 198, 255, 0.3);
  color: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 76vh;
  display: grid;
  place-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 78px 0 70px;
}

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

.hero h1 {
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  font-size: clamp(1.9rem, 3.8vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-sub {
  max-width: 780px;
  color: var(--text-soft);
}

.eyebrow {
  color: #7bc0ff;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin: 28px 0 26px;
}

.hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(100px, 1fr));
  gap: 12px;
}

.hero-stats li {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 14px;
  color: var(--text-soft);
}

.hero-stats span {
  display: block;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
}

.hero-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
}

.glow-1 {
  width: 430px;
  height: 430px;
  background: rgba(59, 161, 255, 0.22);
  top: -110px;
  right: -90px;
  animation: floaty 8s ease-in-out infinite;
}

.glow-2 {
  width: 360px;
  height: 360px;
  background: rgba(35, 213, 200, 0.18);
  bottom: -120px;
  left: -80px;
  animation: floaty 10s ease-in-out infinite reverse;
}

.section {
  padding: 72px 0;
}

.section-head {
  margin-bottom: 26px;
}

.section-head h2 {
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.section-head p {
  color: var(--text-soft);
  margin: 0;
}

.grid {
  display: grid;
  gap: 16px;
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  font-family: "Manrope", "Noto Sans SC", sans-serif;
}

.card p {
  margin: 0;
  color: var(--text-soft);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.gallery-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(148, 198, 255, 0.24);
  min-height: 300px;
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 11, 20, 0.8), rgba(6, 19, 36, 0.18));
}

.gallery-item figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  z-index: 2;
  color: #eff7ff;
  font-weight: 500;
}

.timeline-list {
  display: grid;
  gap: 10px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 16px;
}

.timeline-item .year {
  font-family: "Manrope", sans-serif;
  color: #87c7ff;
  font-weight: 700;
  font-size: 1.1rem;
}

.timeline-item p {
  margin: 0;
  color: var(--text-soft);
}

.vision-wrap {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  background: linear-gradient(135deg, rgba(34, 74, 121, 0.25), rgba(10, 29, 48, 0.5));
  border: 1px solid rgba(114, 175, 255, 0.3);
  border-radius: 18px;
  padding: 24px;
}

.vision-wrap p {
  margin-bottom: 0;
  color: var(--text-soft);
}

.vision-wrap ul {
  margin: 0;
  padding-left: 20px;
  color: #d7e9ff;
}

.site-footer {
  border-top: 1px solid rgba(125, 174, 237, 0.26);
  padding: 24px 0 34px;
  background: rgba(2, 7, 13, 0.7);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--text-soft);
}

.footer-wrap h3 {
  margin: 0 0 8px;
  color: var(--text);
}

.footer-wrap p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(18px);
  }
}

@media (max-width: 980px) {
  .cards-3,
  .vision-wrap {
    grid-template-columns: 1fr;
  }

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

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

  .nav-links {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }
}

@media (max-width: 640px) {
  .nav-wrap {
    flex-wrap: wrap;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .hero-content {
    padding-top: 58px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-wrap {
    flex-direction: column;
  }
}