:root {
  --bg1: #041320;
  --bg2: #052033;
  --accent: #34f2d2;
  --accent-2: #0aa88a;
  --txt: #e9fbf7;
  --txt-dim: #bde0ee;
  --txt-faint: #7da8bc;
  --border: rgba(52, 242, 210, .18);
  --border2: rgba(52, 242, 210, .08);
  --card: rgba(12, 31, 49, .92);
  --shadow: 0 24px 80px rgba(0, 0, 0, .38);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(1000px 540px at 50% -10%, rgba(52, 242, 210, .08), transparent),
    linear-gradient(180deg, var(--bg1), var(--bg2));
  color: var(--txt);
  font-family: 'Outfit', sans-serif;
  line-height: 1.65;
}

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: rgba(4, 19, 32, .88);
  border-bottom: 1px solid var(--border2);
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 10px;
}

.top-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.top-link,
.btn-primary,
.btn-secondary {
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  transition: .2s ease;
}

.top-link {
  color: var(--txt-dim);
  padding: 9px 14px;
  border: 1px solid transparent;
}

.top-link:hover {
  color: var(--accent);
  border-color: var(--border);
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 36px 24px 90px;
}

.breadcrumbs {
  font-size: .86rem;
  color: var(--txt-faint);
  margin-bottom: 18px;
}

.breadcrumbs a {
  color: var(--txt-dim);
  text-decoration: none;
}

.breadcrumbs a:hover { color: var(--accent); }

.hero {
  background: linear-gradient(180deg, rgba(15, 39, 60, .94), rgba(8, 25, 40, .92));
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 42px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(52, 242, 210, .24);
  border-radius: 999px;
  color: var(--accent);
  padding: 8px 14px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.06;
  margin-bottom: 14px;
  color: #fff;
}

.hero p {
  color: var(--txt-dim);
  max-width: 760px;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #03212b;
  padding: 12px 18px;
}

.btn-primary:hover { transform: translateY(-1px); }

.btn-secondary {
  color: var(--txt-dim);
  border: 1px solid var(--border);
  padding: 12px 18px;
}

.btn-secondary:hover {
  color: var(--accent);
  border-color: rgba(52, 242, 210, .34);
}

.filter-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 24px;
}

.chip {
  border: 1px solid var(--border);
  color: var(--txt-dim);
  background: rgba(255, 255, 255, .02);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.chip.active,
.chip:hover {
  color: #03212b;
  background: var(--accent);
  border-color: transparent;
}

.grid {
  display: grid;
  gap: 18px;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .28);
}

.resource-card {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
}

.resource-card:hover {
  border-color: rgba(52, 242, 210, .35);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: .76rem;
  font-weight: 700;
}

.tag-video { background: #e6f1fb; color: #185fa5; }
.tag-guide { background: #eaf3de; color: #3b6d11; }
.tag-faq { background: #faeeda; color: #633806; }
.tag-tech { background: #eeedfe; color: #3c3489; }

.resource-card h2,
.content h2 {
  color: #fff;
}

.resource-card h2 {
  font-size: 1.18rem;
  line-height: 1.25;
}

.resource-card p,
.meta,
.content p,
.content li {
  color: var(--txt-dim);
}

.resource-link {
  margin-top: auto;
  color: var(--accent);
  font-weight: 700;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(280px, .9fr);
  gap: 22px;
}

.content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.content h2 {
  font-size: 1.35rem;
  margin: 26px 0 10px;
}

.content h2:first-child { margin-top: 0; }

.content ul,
.content ol {
  margin-left: 22px;
  margin-bottom: 16px;
}

.content code {
  background: rgba(255, 255, 255, .06);
  padding: 2px 6px;
  border-radius: 7px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.meta-list {
  display: grid;
  gap: 12px;
}

.meta-item {
  border-top: 1px solid var(--border2);
  padding-top: 12px;
}

.meta-label {
  font-size: .76rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--txt-faint);
  margin-bottom: 6px;
}

.video-shell {
  border: 1px dashed rgba(52, 242, 210, .35);
  border-radius: 24px;
  background:
    radial-gradient(500px 240px at 50% 0%, rgba(52, 242, 210, .08), transparent),
    linear-gradient(180deg, rgba(10, 28, 44, .95), rgba(7, 21, 33, .9));
  padding: 28px;
  margin-bottom: 24px;
}

.video-shell h2 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.video-shell p { max-width: 720px; }

.kicker-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.kicker-list span {
  border: 1px solid var(--border);
  color: var(--txt-dim);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: .85rem;
}

.footer {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--border2);
  color: var(--txt-faint);
  font-size: .82rem;
}

@media (max-width: 980px) {
  .resource-grid,
  .page-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .hero,
  .content,
  .card {
    padding: 22px;
    border-radius: 20px;
  }

  .topbar-inner,
  .page {
    padding-left: 18px;
    padding-right: 18px;
  }
}