/* ==========================================================================
   SetuVision Product Landing Page Stylesheet
   Observes formatting conventions of premium dark/light developer pages
   ========================================================================== */

/* Theme Definitions - Locked to Minimal White */
:root {
  --font-sans: 'Inter', sans-serif;
  --font-title: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colors */
  --bg-app: #ffffff;
  --bg-nav: rgba(255, 255, 255, 0.9);
  --bg-card: #ffffff;
  --bg-card-hover: #f9fafb;
  --border-light: #e5e7eb;
  --border-hover: #111827;
  --border-focus: #111827;

  --color-primary: #111827;
  --color-primary-glow: rgba(17, 24, 39, 0.05);
  --color-accent: #f97316; /* high-contrast orange */
  --color-accent-glow: rgba(249, 115, 22, 0.1);

  --text-main: #111827;
  --text-muted: #4b5563;
  --text-disabled: #9ca3af;
  --text-gradient: linear-gradient(135deg, #111827, #374151, #f97316);

  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
  --canvas-grid: rgba(0, 0, 0, 0.04);
  --sandbox-overlay: rgba(255, 255, 255, 0.2);
}

/* Constants variables */
:root {
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1600px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  line-height: 1.6;
}

/* Navigation Bar */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background-color: var(--bg-nav);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(12px);
  z-index: 100;
  transition: all var(--transition-normal);
}

.nav-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-family: var(--font-title);
  font-size: 20px;
  cursor: pointer;
}

.logo-svg {
  width: 26px;
  height: 26px;
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.logo-group:hover .logo-svg {
  transform: rotate(15deg);
}

.gradient-text {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Style Switcher Removed */

.btn-launch {
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--color-primary-glow);
  transition: all var(--transition-fast);
}

.btn-launch:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
  box-shadow: 0 4px 18px var(--color-primary-glow);
}

/* Hero Section */
.hero-section {
  padding-top: 120px;
  padding-bottom: 60px;
  background-image: radial-gradient(var(--canvas-grid) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.announcement-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-glow);
  border: 1px solid var(--border-light);
  padding: 4px 12px;
  border-radius: 99px;
}

.pill-badge {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 1px 6px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 99px;
}

.pill-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.hero-title {
  font-family: var(--font-title);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 10px;
}

.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary-hero {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 8px 20px var(--color-primary-glow);
}

.btn-primary-hero:hover {
  transform: translateY(-2px);
  filter: brightness(1.15);
  box-shadow: 0 8px 26px var(--color-primary-glow);
}

.btn-secondary-hero {
  background-color: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--border-light);
  color: var(--text-main);
}

.btn-secondary-hero:hover {
  background-color: rgba(0, 0, 0, 0.06);
  border-color: var(--border-hover);
}

/* Interactive Sandbox Widget */
.hero-sandbox {
  perspective: 1000px;
}

.sandbox-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-premium);
  overflow: hidden;
  transition: transform 0.5s ease, border-color var(--transition-normal);
}

.sandbox-card:hover {
  border-color: var(--border-hover);
}

.sandbox-header {
  height: 48px;
  background-color: rgba(0,0,0,0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-light);
}

.dots-group {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #eab308; }
.dot.green { background-color: #10b981; }

.sandbox-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.sandbox-actions {
  display: flex;
  gap: 6px;
}

.sandbox-btn {
  font-size: 10px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  background-color: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.sandbox-btn:hover {
  background-color: rgba(0, 0, 0, 0.08);
  border-color: var(--border-hover);
}

.sandbox-viewport {
  position: relative;
  aspect-ratio: 1.5;
  background-color: #05070e;
  overflow: hidden;
  user-select: none;
}

#sandbox-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sandbox-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: auto;
  cursor: crosshair;
}

/* Sandbox SVG drawings elements */
.sandbox-box {
  fill: rgba(99, 102, 241, 0.08);
  stroke: #6366f1;
  stroke-width: 2px;
  vector-effect: non-scaling-stroke;
}

.sandbox-poly {
  fill: rgba(168, 85, 247, 0.12);
  stroke: #8b5cf6;
  stroke-width: 2px;
  vector-effect: non-scaling-stroke;
}

.sandbox-label-bg {
  fill: var(--color-primary);
  rx: 3;
  ry: 3;
}

.sandbox-label-txt {
  font-size: 9px;
  font-weight: 700;
  fill: #fff;
  font-family: var(--font-sans);
}

.sandbox-marker {
  r: 4;
  stroke: #fff;
  stroke-width: 1.5;
}

.sandbox-marker.pos { fill: #10b981; }
.sandbox-marker.neg { fill: #ef4444; }

/* Sandbox Scanline Bar */
.sandbox-scan-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, #10b981, #6366f1, transparent);
  box-shadow: 0 0 10px #10b981;
  z-index: 6;
  animation: scan-loop 24s infinite linear;
}

@keyframes scan-loop {
  0% { top: 0%; }
  50% { top: 100%; }
  100% { top: 0%; }
}

.sandbox-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-light);
  color: #fff;
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  z-index: 7;
  backdrop-filter: blur(4px);
}

.sandbox-footer {
  height: 32px;
  background-color: rgba(0,0,0,0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
}

/* Sections Structure */
.section-container {
  width: 100%;
  padding: 80px 24px;
}

.section-header-center {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-tag {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 1.5px;
}

.section-heading {
  font-family: var(--font-title);
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
}

.section-desc {
  font-size: 14px;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 32px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.card-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon-wrapper.purple { background-color: rgba(168, 85, 247, 0.1); color: #a855f7; }
.card-icon-wrapper.blue { background-color: rgba(99, 102, 241, 0.1); color: #6366f1; }
.card-icon-wrapper.orange { background-color: rgba(249, 115, 22, 0.1); color: #f97316; }

.card-icon-wrapper svg {
  width: 24px;
  height: 24px;
}

.feature-card h4 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
}

.feature-card p {
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
}

.card-badge {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-top: 10px;
}

/* Coming Soon Section */
.coming-soon-header {
  text-align: center;
  margin-top: 64px;
  margin-bottom: 32px;
}

.coming-soon-heading {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: inline-block;
  position: relative;
  padding-bottom: 6px;
}

.coming-soon-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 25%;
  width: 50%;
  height: 2px;
  background-color: var(--border-light);
}

.coming-soon-grid {
  margin-top: 24px;
}

.coming-soon-card {
  border-style: dashed !important;
  opacity: 0.75;
  background-color: rgba(0, 0, 0, 0.01) !important;
  border-color: #d1d5db !important;
  transition: all var(--transition-normal);
}

.coming-soon-card:hover {
  opacity: 1;
  background-color: var(--bg-card-hover) !important;
  border-style: solid !important;
  transform: translateY(-4px);
}

.coming-soon-badge {
  border: 1px dashed var(--border-hover) !important;
  background: transparent !important;
  color: var(--color-primary) !important;
  font-style: italic;
  padding: 2px 6px;
  border-radius: 4px;
}

/* Split Rows Layout */
.dark-row {
  max-width: 100vw;
  background-color: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.split-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.split-layout.reverse {
  direction: ltr;
}
.split-layout.reverse .split-content {
  order: 2;
}

.split-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.features-list li {
  display: flex;
  gap: 12px;
  font-size: 13.5px;
}

.list-check {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Split Visuals */
.visual-stack-wrapper {
  position: relative;
  aspect-ratio: 1.5;
}

.visual-card-back {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background-color: rgba(255,255,255,0.01);
  opacity: 0.5;
}

.visual-card-front {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-premium);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.class-legend {
  display: flex;
  gap: 8px;
}

.legend-chip {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
}

.legend-chip.purple { background-color: #8b5cf6; }
.legend-chip.green { background-color: #10b981; }
.legend-chip.yellow { background-color: #f59e0b; }

.visual-placeholder-graphics {
  flex: 1;
  background-color: #05070f;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.graphic-svg {
  width: 100%;
  height: 100%;
}

.purple-stroke { stroke: #8b5cf6; fill: rgba(139,92,246,0.1); }
.green-stroke { stroke: #10b981; fill: rgba(16,185,129,0.1); }
.yellow-stroke { stroke: #f59e0b; fill: rgba(245,158,11,0.1); }
.mock-node { fill: #fff; stroke: var(--color-primary); stroke-width: 1.5; }

/* Exporters Section */
.exporter-showcase {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.exporter-tabs {
  display: flex;
  gap: 8px;
  background-color: rgba(0,0,0,0.1);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.exporter-tab-btn {
  flex: 1;
  padding: 8px 0;
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.exporter-tab-btn.active {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.exporter-content-card {
  background-color: #05070d;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.exporter-content-header {
  height: 40px;
  background-color: rgba(255,255,255,0.02);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-light);
}

.filename {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.btn-copy-landing {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
}

.btn-copy-landing:hover {
  color: var(--text-main);
}

.exporter-code-body {
  padding: 20px;
  overflow-x: auto;
}

.exporter-code-body code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #c7d2fe;
}

/* Tech Stack Section */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.stack-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: border-color var(--transition-fast);
}

.stack-card:hover {
  border-color: var(--border-hover);
}

.tech-icon-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.tech-logo {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 18px;
  color: var(--color-primary);
}

.tech-version {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  background-color: rgba(255,255,255,0.05);
  border-radius: 99px;
  color: var(--text-muted);
}

.stack-card h4 {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.stack-card p {
  font-size: 12.5px;
  color: var(--text-muted);
}

/* Security Shield Section */
.shield-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  position: relative;
  aspect-ratio: 1.2;
}

.shield-halo {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
  z-index: 1;
}

.shield-svg {
  width: 100px;
  height: 100px;
  color: var(--color-primary);
  z-index: 2;
}

.shield-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.shield-status {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-primary);
}

.shield-session {
  font-size: 10px;
  color: var(--text-muted);
}

.security-features-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sec-item h5 {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.sec-item p {
  font-size: 12.5px;
  color: var(--text-muted);
}

/* Footer Section */
.landing-footer {
  border-top: 1px solid var(--border-light);
  background-color: rgba(0,0,0,0.2);
  padding: 60px 24px 40px 24px;
}

.footer-cta-container {
  max-width: 600px;
  margin: 0 auto 60px auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.footer-cta-container h3 {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 800;
}

.footer-cta-container p {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-form {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 460px;
}

.footer-form input {
  flex: 1;
  background-color: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 13px;
  outline: none;
}

.footer-form input:focus {
  border-color: var(--border-focus);
}

.btn-cta-form {
  background-color: var(--color-primary);
  color: #fff;
  font-size: 12px;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-light);
  padding-top: 30px;
}

.copyright {
  font-size: 11px;
  color: var(--text-disabled);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text-main);
}

/* Animations pulse utility */
.animate-pulse {
  animation: landing-pulse 2s infinite;
}

@keyframes landing-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-container, .split-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-content {
    align-items: center;
    text-align: center;
  }
  .hero-subtitle {
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .features-grid, .stack-grid {
    grid-template-columns: 1fr;
  }
  .footer-form {
    flex-direction: column;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .hero-title {
    font-size: 36px;
  }
}

/* ==========================================================================
   Blog Drawer & Detail Panel Styles
   ========================================================================== */

/* Blog Drawer Container */
.blog-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  visibility: hidden;
  transition: visibility 0.3s ease;
}

.blog-drawer.open {
  visibility: visible;
}

/* Backdrop */
.blog-drawer-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

.blog-drawer.open .blog-drawer-backdrop {
  opacity: 1;
}

/* Drawer Content Panel */
.blog-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 520px;
  height: 100%;
  background-color: var(--bg-card);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.blog-drawer.open .blog-drawer-content {
  transform: translateX(0);
}

/* Header */
.blog-drawer-header {
  height: 72px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  background-color: var(--bg-card);
}

.blog-drawer-header h3 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
}

.close-blog-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-blog-btn:hover {
  color: var(--text-main);
}

.close-blog-btn svg {
  width: 20px;
  height: 20px;
}

/* Blog Posts List */
.blog-posts-list {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  background-color: var(--bg-card-hover);
}

/* Post Card */
.blog-post-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-card);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.blog-post-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-premium);
}

.blog-post-img {
  width: 100%;
  height: 180px;
  object-fit: contain; background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
}

.blog-post-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.blog-post-tag {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-accent);
  letter-spacing: 0.5px;
}

.blog-post-title {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
}

.blog-post-excerpt {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

.blog-post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

.blog-post-date {
  font-size: 11px;
  color: var(--text-disabled);
  font-weight: 500;
}

.blog-read-btn {
  background: none;
  border: none;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  transition: color 0.15s ease;
}

.blog-read-btn:hover {
  color: var(--color-accent);
}

/* Blog Detail Overlay Panel */
.blog-post-detail {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-card);
  z-index: 10;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.blog-post-detail.open {
  transform: translateX(0);
}

.back-to-list-btn {
  height: 56px;
  border: none;
  border-bottom: 1px solid var(--border-light);
  background: none;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
  transition: color 0.15s ease;
  flex-shrink: 0;
}

.back-to-list-btn:hover {
  color: var(--text-main);
}

.back-to-list-btn svg {
  width: 16px;
  height: 16px;
}

.blog-detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px 24px;
}

.blog-detail-title {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-top: 8px;
  margin-bottom: 12px;
}

.blog-detail-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 12px;
}

.blog-detail-body {
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.6;
}

.blog-detail-body p {
  margin-bottom: 16px;
}

.blog-detail-body h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 12px;
}

.blog-detail-body ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

.blog-detail-body li {
  margin-bottom: 8px;
}

/* ==========================================================================
   Book a Demo & Modal Styles
   ========================================================================== */

/* Header button */
.btn-book-demo {
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--color-primary-glow);
  transition: all var(--transition-fast);
  border: none;
}

.btn-book-demo:hover {
  background-color: var(--color-primary);
  color: #ffffff !important;
  transform: translateY(-1px);
  filter: brightness(1.1);
  box-shadow: 0 4px 18px var(--color-primary-glow);
}

/* Modal Overlay */
.demo-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.demo-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Modal Card */
.demo-modal-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 32px;
  position: relative;
}

.demo-modal-overlay.open .demo-modal-card {
  transform: scale(1);
}

/* Close button */
.demo-modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-disabled);
  transition: color var(--transition-fast);
}

.demo-modal-close:hover {
  color: var(--text-main);
}

.demo-modal-close svg {
  width: 20px;
  height: 20px;
}

/* Form Styling */
.demo-form-header {
  margin-bottom: 24px;
}

.demo-form-header h3 {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.demo-form-header p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

.demo-form-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.demo-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.demo-input-group label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.demo-input-group input, 
.demo-input-group textarea {
  background-color: var(--bg-card-hover);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast);
}

.demo-input-group input:focus, 
.demo-input-group textarea:focus {
  border-color: var(--color-primary);
}

.btn-demo-submit {
  width: 100%;
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-demo-submit:hover {
  background-color: var(--border-focus);
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

/* Success Card */
.demo-success-content {
  text-align: center;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.success-icon-ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #10b981;
}

.success-icon-ring svg {
  width: 32px;
  height: 32px;
}

.demo-success-content h4 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
}

.demo-success-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.btn-success-close {
  padding: 8px 24px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 12px;
}

.btn-success-close:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-card-hover);
}

/* Utilities */
.hidden {
  display: none !important;
}

/* ==========================================================================
   Responsive & Mobile Styles
   ========================================================================== */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 20px;
  }
  
  .hero-content {
    align-items: center;
    text-align: center;
  }
  
  .hero-subtitle {
    text-align: center;
  }
  
  #blog-sandbox-hero-card {
    grid-template-columns: 1fr !important;
    padding: 24px !important;
    gap: 24px !important;
  }
}

@media (max-width: 768px) {
  /* Navigation */
  .landing-nav {
    height: 64px !important;
    padding: 0;
  }
  
  .nav-container {
    flex-wrap: nowrap;
    height: 100% !important;
    padding: 0 16px;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav-links, .nav-actions {
    display: none !important;
  }
  
  .nav-mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-light);
    color: var(--text-main);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
  }
  
  .nav-mobile-toggle:hover {
    background: var(--bg-card-hover);
  }
  
  .nav-mobile-toggle svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
  }
  
  .logo-title {
    font-size: 18px;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-app);
  z-index: 1000;
  padding: 24px;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.drawer-close {
  background: var(--bg-card-hover);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  transition: all 0.3s;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.drawer-links a {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  padding: 8px 0;
}

.drawer-bottom {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

@media (max-width: 768px) {
  /* Sections & Layouts */
  .section-container {
    padding: 60px 20px;
  }
  
  .section-header-center {
    padding-top: 40px;
  }
  
  .hero-landing {
    padding: 90px 20px 40px;
  }
  
  .hero-title {
    font-size: 36px !important;
  }
  
  .hero-ctas {
    justify-content: center;
    flex-direction: column;
    width: 100%;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
  
  /* Grids and Flex Rows */
  .features-grid, 
  .security-features-grid,
  .stack-grid, 
  .exporter-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
  }
  
  .blog-grid {
    grid-template-columns: 1fr !important;
    gap: 24px;
  }
  
  /* Interactive Sandboxes */
  .hero-sandbox {
    margin-top: 10px;
    width: 100%;
  }
  
  .sandbox-viewport {
    height: 250px !important;
  }
  
  .sandbox-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
  }
  
  /* Article and Typography */
  .article-header h1 {
    font-size: 28px !important;
  }
  
  .article-container {
    padding: 100px 20px 40px !important;
  }
  
  .article-hero-img {
    height: auto !important;
    max-height: 250px !important;
  }
  
  /* Footer */
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px !important;
  }
  
  .sandbox-actions .sandbox-btn {
    font-size: 9px;
    padding: 4px 8px;
  }
  
  .sandbox-title {
    display: none;
  }
}