@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --aurora-bg: #0c0e1a;
  --aurora-surface: rgba(255, 255, 255, 0.05);
  --aurora-border: rgba(255, 255, 255, 0.1);
  --aurora-text: #e0e8ff;
  --aurora-text-muted: #7a84a6;
  --aurora-accent: #00ff87;
  --aurora-purple: #7b2ff7;
  --aurora-blue: #00d4ff;
}

body {
  background: var(--aurora-bg);
  color: var(--aurora-text);
  font-family: 'Inter', -apple-system, sans-serif;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Header / Nav */
header {
  background: rgba(12, 14, 26, 0.85) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--aurora-border) !important;
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  padding: 0.5rem 0;
}
.logo-link {
  font-family: 'Space Grotesk', sans-serif !important;
  font-weight: 700 !important;
  font-size: 1.4rem !important;
  text-decoration: none;
  color: var(--aurora-accent) !important;
  letter-spacing: -0.02em;
}
.logo-link:hover {
  text-shadow: 0 0 20px rgba(0, 255, 135, 0.4);
}
.main-nav {
  display: flex;
  align-items: center;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
}
.nav-links li { margin: 0; }
.nav-links a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--aurora-text-muted) !important;
  font-family: 'Inter', sans-serif !important;
  font-weight: 500;
  font-size: 0.88rem;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all 0.3s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--aurora-accent) !important;
  background: var(--aurora-surface) !important;
  border-color: var(--aurora-border);
}
.nav-links a i {
  font-size: 0.8rem;
  color: var(--aurora-text-muted);
}
.menu-toggle {
  display: none;
  background: var(--aurora-surface);
  backdrop-filter: blur(12px);
  border: 1px solid var(--aurora-border);
  cursor: pointer;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
}
.bar {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px 0;
  background: var(--aurora-text);
  border-radius: 2px;
  transition: all 0.3s;
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    background: rgba(12, 14, 26, 0.95);
    backdrop-filter: blur(24px);
    padding: 0.75rem;
    border: 1px solid var(--aurora-border);
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    z-index: 99;
    gap: 0.25rem;
    margin-top: 0.5rem;
  }
  .nav-links.active { display: flex; }
  .nav-links a { width: 100%; padding: 0.65rem 1rem; }
  .menu-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.active .bar:nth-child(2) { opacity: 0; }
  .menu-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Footer */
footer {
  background: rgba(12, 14, 26, 0.9) !important;
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--aurora-border) !important;
  color: var(--aurora-text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
}
footer .container {
  max-width: 1200px;
  margin: 0 auto;
}
footer a {
  color: var(--aurora-accent) !important;
  text-decoration: none;
}
footer a:hover {
  text-shadow: 0 0 10px rgba(0, 255, 135, 0.3);
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  padding: 3rem 1.5rem;
}
.footer-logo .logo-link {
  font-size: 1.2rem !important;
}
.footer-logo p {
  color: var(--aurora-text-muted);
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  line-height: 1.5;
}
.footer-links h3,
.footer-social h3 {
  color: var(--aurora-text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.8rem;
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { font-size: 0.85rem; color: var(--aurora-text-muted) !important; }
.footer-links a:hover { color: var(--aurora-accent) !important; }
.social-icons {
  display: flex;
  gap: 1rem;
}
.social-icons a {
  color: var(--aurora-text-muted) !important;
  font-size: 1.1rem;
  transition: all 0.2s;
}
.social-icons a:hover {
  color: var(--aurora-accent) !important;
  text-shadow: 0 0 15px rgba(0, 255, 135, 0.4);
}
.footer-bottom {
  border-top: 1px solid var(--aurora-border);
  padding: 1.2rem 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}
.footer-bottom p { margin: 0.2rem 0; }

/* Ambient background */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--aurora-bg);
}
.aurora-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  z-index: -1;
  animation: aurora-drift 25s ease-in-out infinite;
}
.aurora-blob-1 {
  width: 600px;
  height: 600px;
  background: var(--aurora-accent);
  top: -200px;
  left: -150px;
}
.aurora-blob-2 {
  width: 500px;
  height: 500px;
  background: var(--aurora-purple);
  top: 50%;
  right: -150px;
  animation-delay: -8s;
}
.aurora-blob-3 {
  width: 450px;
  height: 450px;
  background: var(--aurora-blue);
  bottom: -150px;
  left: 35%;
  animation-delay: -16s;
}
@keyframes aurora-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 50px) scale(0.95); }
}

/* Container */
.aurora-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
  position: relative;
}

/* Hero section */
.aurora-hero-section {
  text-align: center;
  padding: 3rem 1rem 4rem;
}
.aurora-eyebrow {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: var(--aurora-surface);
  backdrop-filter: blur(14px);
  border: 1px solid var(--aurora-border);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--aurora-text-muted);
  margin-bottom: 1.5rem;
}
.aurora-wordmark {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--aurora-accent) 0%, var(--aurora-blue) 50%, var(--aurora-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

/* Card base */
.aurora-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--aurora-surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--aurora-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.aurora-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 255, 135, 0.1);
  border-color: rgba(0, 255, 135, 0.3);
}

/* Hero card */
.aurora-card-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  margin-bottom: 4rem;
}
.aurora-card-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 400px;
}
.aurora-card-hero-body {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.aurora-card-hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--aurora-text);
  margin: 1rem 0 1.2rem;
}

/* Chips */
.aurora-chip {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px solid rgba(0, 255, 135, 0.3);
  color: var(--aurora-accent);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.aurora-meta {
  font-size: 0.85rem;
  color: var(--aurora-text-muted);
  font-weight: 500;
}

.aurora-cta {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  background: var(--aurora-accent);
  color: var(--aurora-bg);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  margin-top: 1.2rem;
  width: fit-content;
  transition: all 0.3s;
}
.aurora-card-hero:hover .aurora-cta {
  box-shadow: 0 8px 25px rgba(0, 255, 135, 0.3);
  transform: translateX(4px);
}

/* Section head */
.aurora-section-head {
  text-align: center;
  margin: 3rem 0 2rem;
}
.aurora-section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2.5rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.3rem;
  color: var(--aurora-text);
}
.aurora-section-sub {
  color: var(--aurora-text-muted);
  font-size: 1rem;
}

/* Grid - 3 columns */
.aurora-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.aurora-card-img {
  overflow: hidden;
}
.aurora-card-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s;
}
.aurora-card:hover .aurora-card-img img {
  transform: scale(1.06);
}
.aurora-card-body {
  padding: 1.3rem 1.4rem 1.5rem;
}
.aurora-card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 0.6rem;
  color: var(--aurora-text);
}

/* Categories */
.aurora-cats-section {
  padding: 2rem 0;
}
.aurora-cat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}
.aurora-cat-pill {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 1.3rem;
  background: var(--aurora-surface);
  backdrop-filter: blur(14px);
  border: 1px solid var(--aurora-border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--aurora-text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s;
}
.aurora-cat-pill:hover {
  background: rgba(0, 255, 135, 0.15);
  color: var(--aurora-accent);
  border-color: rgba(0, 255, 135, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 255, 135, 0.15);
}
.aurora-cat-pill i {
  font-size: 0.9rem;
}

/* Breadcrumb */
.aurora-breadcrumb {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--aurora-text-muted);
  padding-top: 1rem;
}
.aurora-breadcrumb a {
  color: var(--aurora-accent);
  text-decoration: none;
  font-weight: 500;
}
.aurora-breadcrumb a:hover {
  text-decoration: underline;
}

/* Post page */
.aurora-post-wrap {
  max-width: 880px;
}
.aurora-article-card {
  background: var(--aurora-surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--aurora-border);
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 3rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}
.aurora-post-header {
  text-align: center;
  margin-bottom: 2rem;
}
.aurora-post-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--aurora-text);
  margin: 1rem 0 1.2rem;
}
.aurora-post-img {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2.5rem;
}
.aurora-post-img img {
  width: 100%;
  display: block;
}
.aurora-post-body {
  font-size: 1.08rem;
  line-height: 1.8;
  color: #b8c4e0;
  font-family: 'Inter', sans-serif;
}
.aurora-post-body p {
  margin-bottom: 1.2rem;
}
.aurora-post-body h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--aurora-text);
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.02em;
}
.aurora-post-body h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--aurora-text);
  margin: 2rem 0 0.8rem;
}
.aurora-post-body a {
  color: var(--aurora-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 255, 135, 0.4);
}
.aurora-post-body blockquote {
  border-left: 3px solid var(--aurora-accent);
  padding: 0.8rem 1.4rem;
  margin: 2rem 0;
  background: rgba(0, 255, 135, 0.05);
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--aurora-text);
}
.aurora-post-body strong {
  font-weight: 600;
  color: var(--aurora-text);
}

.aurora-empty {
  text-align: center;
  padding: 3rem;
  color: var(--aurora-text-muted);
  font-size: 1.1rem;
}

.aurora-cat-hero {
  padding: 2rem 1rem 3rem;
}

/* Responsive */
@media (max-width: 900px) {
  .aurora-card-hero { grid-template-columns: 1fr; }
  .aurora-card-hero-img img { min-height: 280px; height: 280px; }
  .aurora-card-hero-body { padding: 2rem; }
  .aurora-grid { grid-template-columns: repeat(2, 1fr); }
  .aurora-article-card { padding: 2rem 1.5rem; }
  .aurora-section-title { font-size: 2rem; }
}
@media (max-width: 560px) {
  .aurora-grid { grid-template-columns: 1fr; }
  .aurora-container { padding: 2rem 1rem 3rem; }
}