/* ==========================================
   With Silex — Pinnacle 2026 SaaS Design System
   Architecture: Vercel / Linear Neo-Minimalism
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-dark: #000000;
  --bg-card: rgba(10, 10, 14, 0.75);
  --bg-input: rgba(16, 16, 22, 0.95);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(57, 255, 20, 0.4);
  --text-main: #f4f4f5;
  --text-muted: #8b8b93;
  --accent-cyan: #39ff14;
  --accent-glow: rgba(57, 255, 20, 0.15);
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  padding-bottom: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% -10%, rgba(57, 255, 20, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 10% 50%, rgba(10, 80, 40, 0.05) 0%, transparent 35%);
  background-attachment: fixed;
}

/* --- True Edge-to-Edge Pinnacle SaaS Navbar --- */
.sx-navbar {
  position: sticky;
  top: 0;
  width: 100%;
  margin: 0 0 50px 0;
  padding: 16px 48px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.sx-nav-brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.5px;
  white-space: nowrap;
  margin-right: 48px; /* Forces clear gap between logo and links */
  flex-shrink: 0;
}

.sx-nav-brand span {
  color: var(--accent-cyan);
  text-shadow: 0 0 20px rgba(57, 255, 20, 0.4);
}

.sx-nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 0.88rem;
  flex-wrap: nowrap;
}

.sx-nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.sx-nav-links a:hover,
.sx-nav-links a.active {
  color: var(--text-main);
}

/* --- Hero Architecture --- */
.sx-hero {
  text-align: center;
  max-width: 760px;
  padding: 0 20px;
  margin-bottom: 60px;
}

.sx-logo {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 40%, #39ff14 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  letter-spacing: -2px;
  filter: drop-shadow(0 10px 30px rgba(57, 255, 20, 0.2));
}

.sx-tagline {
  font-size: 1.45rem;
  font-weight: 600;
  color: #a1a1aa;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.sx-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Precision Trust Metrics --- */
.sx-trust-bar {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.sx-trust-metric {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.sx-trust-metric strong {
  color: var(--accent-cyan);
  font-weight: 700;
  font-family: var(--font-mono);
}

/* --- Clean, Centered Main Container --- */
.sx-container {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

#sx-sandbox-container {
  width: 100% !important;
  margin: 15px auto 0 auto !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  position: relative !important;
}

#sx-sandbox-container .silex-gate,
#sx-sandbox-container .silex-card,
#sx-sandbox-container .silex-modal {
  margin: 0 auto !important;
  left: auto !important;
  right: auto !important;
  transform: none !important;
  position: relative !important;
}

#sx-sandbox-container .silex-content {
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
}

.sx-demo-section,
.sx-generator-section {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sx-demo-section:hover,
.sx-generator-section:hover {
  border-color: var(--border-hover);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9), 0 0 30px rgba(57, 255, 20, 0.05);
}

.sx-section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
  letter-spacing: -0.4px;
}

.sx-section-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* --- Form Architecture --- */
.sx-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sx-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sx-input-group label,
.sx-output-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.sx-input-group input,
.sx-input-group textarea,
.sx-input-group select {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sx-input-group input:focus,
.sx-input-group textarea:focus,
.sx-input-group select:focus {
  border-color: var(--accent-cyan);
  background-color: rgba(20, 20, 28, 0.98);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.15);
}

/* --- Selection Cards --- */
.sx-card-select-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.sx-card-option, .sx-showcase-tile {
  position: relative;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: left;
}

.sx-card-option input[type="radio"] {
  display: none;
}

.sx-card-option:hover, .sx-showcase-tile:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  background-color: rgba(22, 22, 30, 0.95);
}

.sx-card-option.active, .sx-showcase-tile.active {
  border-color: var(--accent-cyan);
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.08) 0%, rgba(10, 20, 15, 0.3) 100%);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.12);
}

.sx-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.sx-card-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Elite Action CTA --- */
.silex-unlock-btn, .sx-pay-btn {
  width: 100%;
  background: linear-gradient(135deg, #39ff14 0%, #1db90b 100%);
  color: #000000;
  font-weight: 800;
  font-size: 0.95rem;
  border: none;
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 25px rgba(57, 255, 20, 0.3);
  letter-spacing: -0.2px;
}

.silex-unlock-btn:hover, .sx-pay-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(57, 255, 20, 0.5);
  filter: brightness(1.05);
}

.silex-link-btn {
  background: none;
  border: none;
  color: var(--accent-cyan);
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.silex-link-btn:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* --- Code Architecture Terminal Box --- */
.sx-output-group pre {
  background-color: #050507;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  white-space: pre-wrap;
  word-break: break-all;
}

.sx-output-group code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #4ade80;
}

/* --- Footer --- */
.sx-footer {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  max-width: 900px;
  margin: 60px auto 0 auto;
  border-top: 1px solid var(--border-color);
}

.sx-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sx-footer a:hover {
  color: var(--accent-cyan);
}

@media (max-width: 768px) {
  .sx-navbar {
    flex-direction: column;
    gap: 12px;
    padding: 14px 20px;
  }
  .sx-nav-links {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .sx-nav-brand {
    margin-right: 0;
  }
  .sx-generator-section, .sx-demo-section {
    padding: 24px 20px;
  }
  .sx-logo {
    font-size: 2.8rem;
  }
}