:root {
  --bg-deep: #050810;
  --bg-surface: #0a0f1a;
  --coral-bright: #ff4d4d;
  --coral-dark: #991b1b;
  --tan: #d7b899;
  --text-primary: #f0f4ff;
  --text-secondary: #a7b2d1;
  --text-muted: #7f8ba8;
  --border-subtle: rgba(136, 146, 176, 0.2);
}

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

body {
  font-family: "Satoshi", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.55;
}

.stars,
.nebula {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.stars {
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 130px 80px, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 160px 120px, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(2px 2px at 200px 60px, rgba(255, 77, 77, 0.55), transparent),
    radial-gradient(1px 1px at 250px 150px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 300px 40px, rgba(214, 171, 129, 0.4), transparent);
  background-size: 350px 200px;
  opacity: 0.55;
  animation: twinkle 8s ease-in-out infinite alternate;
}

.nebula {
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(255, 77, 77, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 60% at 80% 30%, rgba(214, 171, 129, 0.08), transparent 50%),
    radial-gradient(ellipse 90% 70% at 50% 90%, rgba(255, 77, 77, 0.06), transparent 50%);
}

@keyframes twinkle {
  0% {
    opacity: 0.38;
  }
  100% {
    opacity: 0.7;
  }
}

.top-nav-wrap {
  position: sticky;
  top: 0;
  z-index: 42;
  padding: 12px 20px 6px;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(5, 8, 16, 0.9), rgba(5, 8, 16, 0.7) 72%, transparent);
}

.top-tabs {
  max-width: 780px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 6px;
  background: rgba(10, 15, 26, 0.84);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.top-tab {
  text-decoration: none;
  text-align: center;
  border-radius: 10px;
  padding: 9px 10px;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.84rem;
  transition: all 0.2s ease;
}

.top-tab:hover {
  color: var(--text-primary);
  border-color: rgba(255, 77, 77, 0.34);
}

.top-tab.active {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--coral-bright), var(--coral-dark));
  box-shadow: 0 8px 20px rgba(255, 77, 77, 0.3);
}

.blog-shell {
  width: min(1080px, 92vw);
  margin: 24px auto 40px;
}

.blog-hero,
.email-capture,
.posts {
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  background: rgba(10, 15, 26, 0.82);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.4);
}

.blog-hero {
  padding: 30px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  color: var(--tan);
  font-weight: 700;
}

.blog-hero h1 {
  margin-top: 8px;
  font-family: "Clash Display", "SF Pro Display", "Satoshi", sans-serif;
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: -0.02em;
}

.blog-hero p {
  margin-top: 12px;
  color: var(--text-secondary);
  max-width: 72ch;
}

.email-capture {
  margin-top: 14px;
  padding: 24px;
}

.email-capture h2 {
  font-family: "Clash Display", "SF Pro Display", "Satoshi", sans-serif;
  font-size: 1.45rem;
}

.email-capture p {
  margin-top: 8px;
  color: var(--text-secondary);
}

.subscribe-form {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: end;
}

.subscribe-form label {
  display: grid;
  gap: 5px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.subscribe-form input {
  width: 100%;
  border-radius: 11px;
  border: 1px solid var(--border-subtle);
  background: rgba(17, 24, 39, 0.9);
  color: var(--text-primary);
  padding: 10px 11px;
  font-size: 0.94rem;
}

.subscribe-form input:focus {
  outline: none;
  border-color: var(--coral-bright);
  box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.22);
}

.subscribe-form button {
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 11px 14px;
  background: linear-gradient(135deg, var(--coral-bright), var(--coral-dark));
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.subscribe-form button:hover {
  transform: translateY(-1px);
}

.sub-note {
  margin-top: 9px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.posts {
  margin-top: 14px;
  padding: 20px;
}

.posts-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.posts-head h2 {
  font-family: "Clash Display", "SF Pro Display", "Satoshi", sans-serif;
  font-size: 1.32rem;
}

.posts-head span {
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 2px 10px;
  color: var(--text-muted);
}

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

.post-card {
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: rgba(17, 24, 39, 0.76);
  padding: 12px;
}

.post-card h3 {
  font-family: "Clash Display", "SF Pro Display", "Satoshi", sans-serif;
  font-size: 1.06rem;
}

.post-card p {
  margin-top: 6px;
  color: var(--text-secondary);
}

.post-meta {
  margin-top: 8px;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.empty-state {
  border: 1px dashed var(--border-subtle);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  color: var(--text-muted);
}

.copy-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translate(-50%, -65px);
  z-index: 100;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(10, 15, 26, 0.95);
  color: var(--text-primary);
  padding: 9px 12px;
  font-size: 0.77rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.copy-toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

@media (max-width: 900px) {
  .top-nav-wrap {
    padding-left: 12px;
    padding-right: 12px;
  }

  .top-tabs {
    max-width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .blog-shell {
    width: min(1080px, 95vw);
  }

  .subscribe-form {
    grid-template-columns: 1fr;
  }
}