/* Estsaar - Neon Cyberpunk Blog Theme (Unique 2026) */
:root {
  --neon-cyan: #00F9FF;
  --neon-magenta: #FF00AA;
  --neon-purple: #9D4EDD;
  --neon-lime: #39FF14;
  --dark-bg: #0A0A0F;
  --card-bg: #111118;
  --text-primary: #FFFFFF;
  --text-secondary: #A1A1AA;
  --glow-cyan: 0 0 15px #00F9FF, 0 0 30px #00F9FF;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16.5px;
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.1;
}

h1 { font-size: 3.6rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.55rem; }

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Neon Header */
header {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 249, 255, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.logo {
  font-size: 2.1rem;
  font-weight: 900;
  background: linear-gradient(90deg, #00F9FF, #FF00AA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -2px;
}

.nav-links {
  display: flex;
  gap: 48px;
  list-style: none;
}

.nav-links a {
  color: #E4E4E7;
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--neon-cyan);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-cyan);
  transition: width 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Split Screen Hero - Neon Version */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-left {
  flex: 1;
  padding-right: 60px;
  max-width: 620px;
}

.hero-right {
  flex: 1;
  background: linear-gradient(145deg, #1A1A22, #0A0A0F);
  position: relative;
  border-radius: 32px;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 80px rgba(0, 249, 255, 0.15);
}

.neon-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0,249,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,249,255,0.08) 1px, transparent 1px);
  background-size: 42px 42px;
}

.neon-glow {
  position: absolute;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(0,249,255,0.35) 0%, transparent 70%);
  border-radius: 50%;
  animation: neon-pulse 4s ease-in-out infinite;
}

@keyframes neon-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

.hero h1 {
  font-size: 4.1rem;
  line-height: 1.05;
  margin-bottom: 28px;
  color: white;
}

.hero p {
  font-size: 1.3rem;
  color: #A1A1AA;
  max-width: 460px;
  margin-bottom: 42px;
}

.btn-neon {
  display: inline-flex;
  align-items: center;
  padding: 18px 42px;
  background: transparent;
  color: var(--neon-cyan);
  font-weight: 700;
  border: 2px solid var(--neon-cyan);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s;
  font-size: 1.05rem;
  box-shadow: 0 0 20px rgba(0, 249, 255, 0.4);
}

.btn-neon:hover {
  background: var(--neon-cyan);
  color: #0A0A0F;
  box-shadow: 0 0 40px var(--neon-cyan);
  transform: translateY(-2px);
}

/* Asymmetric Articles Grid */
.articles-section {
  padding: 90px 0 70px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.article-card {
  background: var(--card-bg);
  border: 1px solid rgba(0, 249, 255, 0.12);
  border-radius: 16px;
  padding: 36px 32px;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,249,255,0.15), transparent);
  transition: 0.6s;
}

.article-card:hover::before {
  left: 200%;
}

.article-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 35px rgba(0, 249, 255, 0.2);
  transform: translateY(-8px);
}

.article-card h3 {
  color: var(--neon-cyan);
  margin-bottom: 18px;
  font-size: 1.48rem;
}

.article-card p {
  color: #B4B4BA;
  line-height: 1.75;
}

.article-meta {
  margin-top: 28px;
  font-size: 0.9rem;
  color: #66666B;
  display: flex;
  gap: 16px;
}

/* Sidebar Neon */
.sidebar {
  background: var(--card-bg);
  border: 1px solid rgba(157, 78, 221, 0.2);
  border-radius: 20px;
  padding: 36px;
  position: sticky;
  top: 120px;
}

.sidebar h4 {
  color: var(--neon-magenta);
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.category-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.category-list a {
  color: #C5C5CA;
  text-decoration: none;
  transition: color 0.2s;
}

.category-list a:hover {
  color: var(--neon-lime);
}

/* Form */
input, textarea {
  background: #0F0F15;
  border: 1px solid rgba(0, 249, 255, 0.25);
  color: white;
  padding: 16px 20px;
  border-radius: 10px;
  width: 100%;
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus, textarea:focus {
  border-color: var(--neon-cyan);
  outline: none;
  box-shadow: 0 0 12px rgba(0, 249, 255, 0.3);
}

textarea { min-height: 160px; }

/* Footer */
footer {
  background: #050507;
  border-top: 1px solid rgba(0,249,255,0.1);
  padding: 70px 0 45px;
}

.footer-links a {
  color: #88888E;
  text-decoration: none;
  display: block;
  margin-bottom: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--neon-cyan);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    min-height: auto;
    padding: 80px 0;
  }
  
  .hero-right {
    min-height: 380px;
    margin-top: 50px;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  h1 { font-size: 2.9rem; }
}