/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: background var(--duration-normal) var(--ease-out);
}

.nav--scrolled {
  background: rgba(10, 22, 40, .95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .06);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav__logo img {
  height: 32px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
  list-style: none;
}

.nav__links a {
  color: var(--white-dim);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--duration-fast) var(--ease-out);
  text-decoration: none;
}

.nav__links a:hover,
.nav__links a.active {
  color: #fff;
}

.nav__links .nav__cta {
  color: var(--gold);
  font-weight: 600;
}

.nav__links .nav__cta:hover {
  color: var(--gold-light);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: all var(--duration-fast) var(--ease-out);
}

@media (max-width: 768px) {
  .nav__toggle { display: block; }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--deep);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
  }

  .nav__links.open { display: flex; }

  .nav__links a {
    font-size: 18px;
  }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(160deg, var(--deep) 0%, var(--deep-mid) 40%, #1a3a5c 70%, var(--ink) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__stars {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1.5px 1.5px at 8% 12%, rgba(255,255,255,.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 22% 28%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(2px 2px at 48% 8%, rgba(255,255,255,.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 65% 22%, rgba(255,255,255,.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 78% 15%, rgba(255,255,255,.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 42%, rgba(255,255,255,.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 88% 35%, rgba(255,255,255,.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 55% 55%, rgba(255,255,255,.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 65%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 48%, rgba(255,255,255,.3) 0%, transparent 100%);
}

.hero__moon {
  position: absolute;
  top: 12%;
  right: 8%;
  width: clamp(100px, 15vw, 200px);
  height: clamp(100px, 15vw, 200px);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #e8e4df 0%, #c5bfb5 30%, #9a9286 65%, #706860 100%);
  opacity: .5;
  box-shadow:
    0 0 60px rgba(200, 190, 170, .08),
    inset -10px -8px 20px rgba(60, 50, 40, .4);
}

.hero__moon::after {
  content: "";
  position: absolute;
  width: 15%;
  height: 15%;
  top: 25%;
  left: 40%;
  border-radius: 50%;
  background: rgba(130, 120, 110, .4);
  box-shadow:
    28px 18px 0 6px rgba(130, 120, 110, .25),
    -12px 30px 0 3px rgba(130, 120, 110, .3),
    20px -8px 0 2px rgba(130, 120, 110, .2);
}

.hero__orbit {
  position: absolute;
  inset: 0;
  opacity: .12;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-3xl)) clamp(20px, 5vw, 40px) var(--space-3xl);
}

.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  opacity: .7;
  margin-bottom: var(--space-md);
}

.hero__title {
  color: #fff;
  font-size: clamp(32px, 5vw, 52px);
  max-width: 680px;
  margin-bottom: var(--space-lg);
}

.hero__desc {
  color: var(--white-dim);
  font-size: clamp(15px, 1.8vw, 18px);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: box-shadow var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(40, 103, 178, .06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.card--link {
  text-decoration: none;
  display: block;
  color: inherit;
}

.card--link:hover { color: inherit; }

.card--dark {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(255, 255, 255, .08);
  color: var(--white-soft);
}

.card--dark .card__title { color: #fff; }
.card--dark .card__text { color: var(--white-dim); }
.card--dark .card__icon { background: rgba(255, 255, 255, .06); }

/* ============================================
   Milestone Timeline
   ============================================ */
.timeline {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  padding-bottom: var(--space-md);
}

.timeline__item {
  flex: 0 0 280px;
  border-left: 3px solid var(--blue);
  padding-left: var(--space-lg);
}

.timeline__item--active {
  border-left-color: var(--gold);
}

.timeline__date {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: var(--space-xs);
}

.timeline__item--active .timeline__date {
  color: var(--gold);
}

.timeline__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--space-xs);
}

.timeline__desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .timeline {
    flex-direction: column;
  }
  .timeline__item {
    flex: none;
  }
}

/* ============================================
   Page Hero (subpages)
   ============================================ */
.page-hero {
  background: linear-gradient(160deg, var(--deep) 0%, var(--deep-mid) 50%, var(--ink) 100%);
  padding: calc(var(--nav-height) + var(--space-2xl)) clamp(20px, 5vw, 40px) var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.page-hero__content {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.page-hero__title {
  color: #fff;
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: var(--space-md);
}

.page-hero__desc {
  color: var(--white-dim);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 600px;
  line-height: 1.8;
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--deep) 0%, var(--deep-mid) 100%);
  padding: var(--space-2xl) clamp(20px, 5vw, 40px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner__title {
  color: #fff;
  font-size: clamp(22px, 3vw, 32px);
  margin-bottom: var(--space-md);
}

.cta-banner__desc {
  color: var(--white-dim);
  font-size: 16px;
  margin-bottom: var(--space-lg);
  max-width: 500px;
  display: inline-block;
}

.cta-banner__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--deep);
  color: rgba(255, 255, 255, .4);
  padding: var(--space-xl) clamp(20px, 5vw, 40px);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__logo img {
  height: 24px;
  opacity: .5;
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.footer__links a {
  color: rgba(255, 255, 255, .4);
  font-size: 13px;
}

.footer__links a:hover {
  color: rgba(255, 255, 255, .7);
}

.footer__bottom {
  max-width: var(--max-width);
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, .06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 12px;
}

.footer__slogan {
  font-family: var(--font-cn);
  color: rgba(255, 255, 255, .25);
  letter-spacing: 2px;
}

.footer__icp {
  font-size: 12px;
  color: rgba(255, 255, 255, .3);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.footer__icp:hover {
  color: rgba(255, 255, 255, .6);
}

@media (max-width: 768px) {
  .footer__inner, .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   Capability Tags
   ============================================ */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.cap-tag {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.cap-tag__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(40, 103, 178, .06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.cap-tag__label {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.cap-tag__desc {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* ============================================
   Contact Form
   ============================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-family: var(--font-cn);
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(40, 103, 178, .1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* ============================================
   News Cards
   ============================================ */
.news-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-out);
}

.news-card:hover {
  box-shadow: var(--shadow-soft);
}

.news-card__image {
  height: 180px;
  background: linear-gradient(135deg, var(--deep-mid), var(--ink));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-dim);
  font-size: 32px;
}

.news-card__body {
  padding: var(--space-lg);
}

.news-card__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue);
  margin-bottom: var(--space-sm);
}

.news-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--space-sm);
}

.news-card__desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   News Filter Bar
   ============================================ */
.news-filter {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.news-filter__btn {
  padding: 8px 20px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: var(--font-cn);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.news-filter__btn:hover {
  color: var(--blue);
  border-color: var(--blue);
}

.news-filter__btn--active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.news-filter__btn--active:hover {
  background: var(--blue-light);
  color: #fff;
}