:root {
  --bg: #06131d;
  --bg-alt: #0b1e2d;
  --panel: #0d2133;
  --panel-strong: #102a3d;
  --surface: #f2f5f8;
  --text: #0f1720;
  --text-soft: #4b5b68;
  --line: rgba(148, 163, 184, 0.25);
  --primary: #61d3ff;
  --primary-strong: #1ba0d8;
  --accent: #7cd4ff;
  --success: #2ec27e;
  --warning: #f4b942;
  --shadow: 0 16px 32px rgba(2, 6, 23, 0.15);
  --radius: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--surface);
  color: var(--text);
  line-height: 1.7;
}
a { color: #0b6ca8; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid #1ba0d8; outline-offset: 3px; }
img { max-width: 100%; display: block; }
input, select, textarea, button {
  font: inherit;
}
.contact-form {
  display: grid;
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.contact-form label {
  display: grid;
  gap: .45rem;
  font-weight: 600;
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  border: 1px solid #c5d2dd;
  border-radius: 10px;
  padding: .8rem .9rem;
  background: #f9fbfd;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  color: #111;
  padding: .7rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(6, 19, 29, 0.94);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}
.brand img { width: 205px; height: auto; }

.main-nav ul {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  list-style: none;
  gap: .6rem 1rem;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: #edf7ff;
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0.85;
}
.main-nav a.active, .main-nav a:hover { opacity: 1; }
.nav-toggle { display: none; }

.site-main { padding: 2rem 0 3rem; }
.section { padding: 3rem 0; }
.alt-bg { background: #edf3f7; }
.hero { background: linear-gradient(135deg, #071925 0%, #0d2437 40%, #0a1d2d 100%); color: #edf8ff; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.12;
  margin: .6rem 0 1rem;
}
.lead { font-size: 1.08rem; color: #d5ebff; max-width: 62ch; }
.eyebrow {
  display: inline-block;
  margin: 0 0 .6rem;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-strong);
}
.hero-panel, .callout-box, .list-box, .card, .article-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); box-shadow: var(--shadow);
}
.hero-panel { padding: 1.5rem; }
.hero-panel {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  animation: panel-arrive .8s cubic-bezier(.2,.75,.25,1);
}
.hero-panel::before {
  position: absolute;
  content: "";
  width: 13rem;
  height: 13rem;
  top: -7rem;
  right: -5rem;
  background: radial-gradient(circle, rgba(67, 196, 244, .3), transparent 70%);
  pointer-events: none;
}
.hero-panel h2, .callout-box h3, .list-box h3 { margin-top: 0; }
.check-list { margin: 0; padding-left: 1.3rem; }
.check-list li { margin-bottom: .5rem; }

.section-heading {
  margin-bottom: 1.5rem;
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(1.7rem, 2vw, 2.7rem);
  line-height: 1.2;
}

.content-grid {
  display: grid;
  gap: 2rem;
}
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.callout-box, .list-box {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: none;
  padding: 1.4rem 1.6rem;
}
.list-box ul { margin: 0; padding-left: 1.1rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: none;
  transform-style: preserve-3d;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.card-body { padding: 1.2rem; }
.card h3 { margin: .25rem 0 .75rem; font-size: 1.15rem; }
.meta-row { display: flex; justify-content: space-between; gap: .5rem; flex-wrap: wrap; font-size: .8rem; color: var(--text-soft); }
.article-featured-image {
  width: 100%;
  max-height: 460px;
  margin: 1.5rem 0;
  object-fit: cover;
  border-radius: var(--radius);
}
.article-body { margin: 1.5rem 0; font-size: 1.05rem; }
.article-sources { border-top: 1px solid var(--line); padding-top: 1rem; }

.button-row { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.25rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .85rem 1.3rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #031521;
  font-weight: 700;
  border: none;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 9px 20px rgba(8, 92, 128, .22); filter: saturate(1.08); text-decoration: none; }
.button.secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: #edf8ff;
}

.narrow { max-width: 760px; }

.breadcrumbs {
  padding: 0 0 1rem;
}
.breadcrumbs ol {
  list-style: none; padding: 0; margin: 0; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
}
.breadcrumbs li {
  color: var(--text-soft); font-size: .9rem;
}
.breadcrumbs li + li::before {
  content: "/"; margin-right: .5rem; color: #7b8b96;
}

.ad-slot {
  margin: 2rem auto;
  max-width: 720px;
  background: #eaf3fa;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.site-footer {
  background: #071321;
  color: #eaf4fe;
  padding: 2.5rem 0 1rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}
.site-footer h3 { margin-top: 0; color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4rem; }
.site-footer a, .site-footer p { color: #dfeaf6; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 1.5rem;
  padding-top: 1rem;
}

@keyframes panel-arrive {
  from { opacity: 0; transform: perspective(900px) rotateY(-8deg) translateY(12px); }
  to { opacity: 1; transform: perspective(900px) rotateY(0) translateY(0); }
}
@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: perspective(900px) rotateX(2deg) rotateY(-1deg) translateY(-5px);
    box-shadow: 0 18px 34px rgba(2, 20, 34, .14);
    border-color: rgba(27, 160, 216, .42);
  }
  .hero-panel:hover { transform: perspective(900px) rotateY(-2deg) translateY(-2px); }
}

@media (max-width: 880px) {
  .hero-grid, .two-col, .card-grid, .footer-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav-shell {
    position: absolute; left: 1rem; right: 1rem; top: calc(100% + 0.5rem); display: none;
    background: rgba(7,18,27,0.98); border: 1px solid var(--line); border-radius: 14px; padding: 1rem;
  }
  .nav-shell.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}