/* ============================================================
   ConfusionDesign — Public Site Stylesheet
   Dark theme, responsive, production-ready
   ============================================================ */

:root {
  --bg:           #0a0a0f;
  --bg2:          #111118;
  --bg3:          #16161f;
  --bg4:          #1c1c28;
  --bg-card:      #16161f;
  --border:       #2a2a3a;
  --border-lt:    #333346;
  /* --accent set inline from DB */
  --text:         #e8e8f0;
  --text2:        #8888a0;
  --text3:        #55556a;
  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    16px;
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
  --tr:           0.3s cubic-bezier(0.4,0,0.2,1);
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }

/* ── Navigation ────────────────────────────────────────────── */
.site-nav {
  position: fixed; top:0; left:0; right:0; z-index:100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700; font-size: 20px;
  color: var(--text); text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-links {
  display: flex; gap: 32px; align-items: center;
}
.nav-links a {
  color: var(--text2); text-decoration: none;
  font-size: 14px; font-weight: 500;
  transition: var(--tr); position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left:0; width:0; height:2px;
  background: var(--accent); transition: var(--tr);
}
.nav-links a:hover::after, .nav-links a.active::after { width:100%; }

/* Mobile hamburger */
.mobile-menu-btn {
  display: none; background: none; border: none;
  cursor: pointer; padding: 4px; flex-direction: column; gap: 5px;
}
.mobile-menu-btn span {
  display: block; width: 24px; height: 2px;
  background: var(--text); transition: var(--tr);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  justify-content: center; text-align: center;
  padding: 120px 24px 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(255,255,255,0.01) 50px, rgba(255,255,255,0.01) 51px),
    repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(255,255,255,0.01) 50px, rgba(255,255,255,0.01) 51px);
  pointer-events: none;
}
.hero-content { position: relative; z-index:2; max-width: 780px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 20px;
  background: var(--accent-glow);
  border: 1px solid rgba(0,212,170,0.2);
  color: var(--accent); font-size: 13px; font-weight: 600;
  margin-bottom: 32px; animation: fadeDown 0.6s ease-out;
}
.hero-badge::before { content: '●'; font-size: 8px; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:0.3} }
.hero h1 {
  font-size: clamp(40px, 6vw, 72px); font-weight: 700;
  line-height: 1.08; letter-spacing: -2px; margin-bottom: 24px;
  animation: fadeDown 0.6s ease-out 0.1s both;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), #00f5c8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 18px; color: var(--text2); line-height: 1.7;
  max-width: 560px; margin: 0 auto 40px;
  animation: fadeDown 0.6s ease-out 0.2s both;
}
.hero-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  animation: fadeDown 0.6s ease-out 0.3s both;
}
@keyframes fadeDown {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary {
  padding: 14px 36px; background: var(--accent); color: var(--bg);
  font-weight: 700; font-size: 15px; border: none;
  border-radius: var(--radius-sm); cursor: pointer;
  transition: var(--tr); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-glow-strong); }
.btn-secondary {
  padding: 14px 36px; background: transparent; color: var(--text);
  font-weight: 600; font-size: 15px;
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: var(--tr); text-decoration: none;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ── Stats Bar ─────────────────────────────────────────────── */
.stats-bar {
  display: flex; justify-content: center; gap: 64px;
  padding: 48px 24px; flex-wrap: wrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.stat { text-align: center; }
.stat-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 36px; font-weight: 700; color: var(--accent);
}
.stat-label {
  font-size: 13px; color: var(--text3);
  text-transform: uppercase; letter-spacing: 1.5px; margin-top: 4px;
}

/* ── Sections ──────────────────────────────────────────────── */
section { padding: 100px 48px; }
.page-section { padding: 120px 48px 80px; max-width: 900px; margin: 0 auto; }
.page-content { line-height: 1.8; font-size: 16px; color: var(--text2); }
.page-content h1 { font-size: 36px; color: var(--text); margin-bottom: 16px; letter-spacing: -1px; }
.page-content h2 { font-size: 24px; color: var(--text); margin: 32px 0 12px; }
.page-content p { margin-bottom: 16px; }
.page-content a { color: var(--accent); }

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 3px; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px); font-weight: 700;
  letter-spacing: -1px; margin-bottom: 16px;
}
.section-desc {
  font-size: 16px; color: var(--text2);
  max-width: 560px; line-height: 1.7;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-desc { margin: 0 auto; }

/* ── Services Grid ─────────────────────────────────────────── */
.services-section { background: var(--bg2); }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px; max-width: 1100px; margin: 0 auto;
}
.service-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px;
  transition: var(--tr); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top:0; left:0; right:0; height:3px;
  background: linear-gradient(90deg, var(--accent), #6c5ce7);
  opacity:0; transition: var(--tr);
}
.service-card:hover { border-color: var(--border-lt); transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card:hover::before { opacity:1; }
.service-icon {
  width: 48px; height: 48px; background: var(--accent-glow);
  border-radius: 12px; display: flex; align-items: center;
  justify-content: center; font-size: 22px; margin-bottom: 20px;
}
.service-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text2); line-height: 1.7; }

/* ── Pricing ───────────────────────────────────────────────── */
.pricing-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px; max-width: 960px; margin: 0 auto;
}
.price-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px 32px;
  text-align: center; transition: var(--tr); position: relative;
}
.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
}
.price-card.featured::before {
  content: 'Most Popular'; position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: var(--bg);
  font-size: 11px; font-weight: 700; padding: 4px 16px;
  border-radius: 12px; text-transform: uppercase; letter-spacing: 1px;
}
.price-card:hover { transform: translateY(-4px); }
.price-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.price-subtitle { color: var(--text3); font-size: 14px; }
.price { font-family: 'JetBrains Mono', monospace; font-size: 42px; font-weight: 700; color: var(--accent); margin: 16px 0; }
.price span { font-size: 16px; color: var(--text3); font-weight: 400; }
.price-features { list-style: none; text-align: left; margin: 24px 0; }
.price-features li {
  padding: 8px 0; font-size: 14px; color: var(--text2);
  display: flex; align-items: center; gap: 10px;
}
.price-features li::before { content: '✓'; color: var(--accent); font-weight: 700; font-size: 13px; }

/* ── Blog ──────────────────────────────────────────────────── */
.blog-section { background: var(--bg2); }
.blog-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px; max-width: 1100px; margin: 0 auto;
}
.blog-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--tr); text-decoration: none; color: inherit; display: block;
}
.blog-card:hover { border-color: var(--border-lt); transform: translateY(-3px); }
.blog-thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--bg4), var(--bg-card));
  display: flex; align-items: center; justify-content: center;
  color: var(--text3); font-size: 48px;
  border-bottom: 1px solid var(--border);
}
.blog-body { padding: 28px; }
.blog-meta {
  font-size: 12px; color: var(--text3);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
}
.blog-body h3 { font-size: 18px; margin-bottom: 8px; font-weight: 600; }
.blog-body p { font-size: 14px; color: var(--text2); line-height: 1.6; }
.blog-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; color: var(--accent);
  font-size: 13px; font-weight: 600; text-decoration: none; transition: var(--tr);
}

/* ── Blog Article ──────────────────────────────────────────── */
.blog-article {
  max-width: 760px; margin: 0 auto;
  padding: 120px 24px 80px;
}
.article-header {
  margin-bottom: 48px;
}
.article-header h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700; letter-spacing: -1px;
  margin-bottom: 12px; line-height: 1.15;
}
.article-meta {
  font-size: 14px; color: var(--text3);
}
.article-content {
  font-size: 17px; line-height: 1.85; color: var(--text2);
}
.article-content h2 { font-size: 24px; color: var(--text); margin: 40px 0 16px; }
.article-content h3 { font-size: 20px; color: var(--text); margin: 32px 0 12px; }
.article-content p { margin-bottom: 20px; }
.article-content a { color: var(--accent); text-decoration: underline; }
.article-content img { max-width: 100%; border-radius: var(--radius); margin: 24px 0; }
.article-content blockquote {
  border-left: 3px solid var(--accent); padding: 16px 24px;
  margin: 24px 0; background: var(--bg2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic; color: var(--text);
}
.article-content code {
  background: var(--bg2); padding: 2px 8px;
  border-radius: 4px; font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
}
.article-content pre {
  background: var(--bg2); padding: 20px; border-radius: var(--radius);
  overflow-x: auto; margin: 24px 0;
}
.article-content pre code { background: none; padding: 0; }
.article-content ul, .article-content ol { margin: 16px 0; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-footer { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 64px 48px 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; max-width: 1100px; margin: 0 auto 48px;
}
.footer-brand .logo { font-size: 18px; display: block; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--text3); line-height: 1.6; }
.footer-col h4 {
  font-size: 13px; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--text2); margin-bottom: 16px;
}
.footer-col a {
  display: block; color: var(--text3); text-decoration: none;
  font-size: 14px; padding: 4px 0; transition: var(--tr);
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1100px; margin: 0 auto; padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text3);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .site-nav { padding: 16px 20px; }
  .nav-links {
    display: none; position: fixed;
    top: 60px; left:0; right:0;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 20px; gap: 16px;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .mobile-menu-btn { display: flex; }
  section { padding: 60px 20px; }
  .page-section { padding: 100px 20px 60px; }
  .stats-bar { gap: 32px; padding: 32px 20px; }
  .stat-num { font-size: 28px; }
  .hero h1 { letter-spacing: -1px; }
  .hero p { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .blog-article { padding: 100px 20px 60px; }
  .site-footer { padding: 40px 20px 24px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats-bar { flex-direction: column; gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
}