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

:root {
  --coral: #ff6b4a;
  --coral-light: #ff8f73;
  --coral-dim: #ff6b4a20;
  --navy: #0a0e1a;
  --navy-light: #0f1629;
  --navy-mid: #1a2332;
  --surface: #1e283a;
  --card-bg: #0f1629;
  --card-border: #ffffff08;
  --text: #f1f1f3;
  --text-dim: #8a92a6;
  --green: #34d399;
  --mono: 'Space Mono', monospace;
  --sans: 'Outfit', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--navy);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: linear-gradient(to bottom, var(--navy) 50%, transparent);
  backdrop-filter: blur(20px);
}
.nav-logo {
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--coral);
  text-decoration: none;
  letter-spacing: -0.03em;
}
.nav-logo::after {
  content: '_';
  animation: blink 1s step-end infinite;
  color: var(--coral-light);
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 400;
  transition: color 0.3s;
}
.nav-links a:hover {
  color: var(--text);
}
.nav-cta {
  background: var(--coral) !important;
  color: var(--navy) !important;
  padding: 0.55rem 1.4rem;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: all 0.3s !important;
}
.nav-cta:hover {
  box-shadow: 0 8px 30px var(--coral-dim);
  transform: translateY(-1px);
}

/* ---- CONTAINER ---- */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}
.container-wide {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- BLOG INDEX ---- */
.blog-hero {
  padding: 8rem 0 3rem;
  text-align: center;
}
.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.blog-hero h1 .accent {
  color: var(--coral);
}
.blog-hero p {
  margin-top: 1rem;
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.blog-grid {
  display: grid;
  gap: 1.25rem;
  padding-bottom: 2rem;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
  display: block;
}
.blog-card:hover {
  border-color: #ffffff14;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}
.blog-card-featured {
  background: linear-gradient(135deg, var(--card-bg), var(--navy-mid));
  padding: 2.5rem;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}
.blog-card-category {
  background: var(--coral-dim);
  color: var(--coral);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.blog-card h2 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.blog-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}
.blog-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}
.blog-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--coral);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 1rem;
  transition: gap 0.3s;
}
.blog-card:hover .read-more {
  gap: 0.7rem;
}

.blog-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* ---- POST PAGE ---- */
.post-header {
  padding: 8rem 0 2rem;
}
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s;
  margin-bottom: 2rem;
}
.post-back:hover {
  color: var(--text);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}
.post-category {
  background: var(--coral-dim);
  color: var(--coral);
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-header h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.post-header .post-desc {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---- ARTICLE CONTENT ---- */
.post-content {
  padding-bottom: 4rem;
}
.post-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}
.post-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.post-content p {
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}
.post-content strong {
  color: var(--text);
  font-weight: 600;
}
.post-content ul,
.post-content ol {
  color: var(--text-dim);
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.post-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}
.post-content blockquote {
  border-left: 3px solid var(--coral);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-dim);
  font-style: italic;
}
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.85rem;
}
.post-content th {
  background: var(--navy-mid);
  color: var(--text);
  font-weight: 600;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.8rem;
}
.post-content td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-dim);
}
.post-content hr {
  border: none;
  border-top: 1px solid var(--card-border);
  margin: 2rem 0;
}

/* ---- CTA BOX ---- */
.cta-box {
  background: linear-gradient(135deg, var(--navy-mid), #232d40);
  border: 1px solid #ffffff06;
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: var(--coral);
  opacity: 0.03;
  filter: blur(80px);
  pointer-events: none;
}
.cta-box h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  position: relative;
}
.cta-box p {
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}
.btn-primary {
  background: var(--coral);
  color: var(--navy);
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s;
  font-family: var(--sans);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px var(--coral-dim);
}

/* ---- FOOTER ---- */
.blog-footer {
  border-top: 1px solid #ffffff06;
  padding: 2rem 0;
  margin-top: 4rem;
}
.blog-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--coral);
  font-size: 1.1rem;
  text-decoration: none;
}
.footer-links {
  display: flex;
  gap: 2rem;
}
.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--text);
}
.footer-copy {
  color: #ffffff20;
  font-size: 0.78rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  nav {
    padding: 1rem 1.5rem;
  }
  .nav-links a:not(.nav-cta) {
    display: none;
  }
  .container,
  .container-wide {
    padding: 0 1.25rem;
  }
  .blog-grid-2col {
    grid-template-columns: 1fr;
  }
  .blog-footer-inner {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  nav {
    padding: 0.75rem 1rem;
  }
  .blog-card {
    padding: 1.5rem;
  }
  .cta-box {
    padding: 2rem 1.5rem;
  }
  .post-content table {
    font-size: 0.75rem;
  }
  .post-content th,
  .post-content td {
    padding: 0.5rem 0.6rem;
  }
}