/* ==========================================================================
   ADAX Official Landing Page Design System (adax.baby)
   Theme: Vibrant Cyber Gold & Dark Glassmorphism
   ========================================================================== */

:root {
  --primary-yellow: #ffb800;
  --primary-yellow-hover: #ffa000;
  --yellow-glow: rgba(255, 184, 0, 0.35);
  --yellow-glow-subtle: rgba(255, 184, 0, 0.12);
  --bg-dark: #0a0c10;
  --bg-card: rgba(18, 22, 31, 0.75);
  --bg-card-solid: #12161f;
  --bg-card-hover: rgba(26, 32, 46, 0.85);
  --pricing-card-bg: #151924;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-yellow: rgba(255, 184, 0, 0.3);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dark: #0f172a;
  
  --purple-gradient: linear-gradient(135deg, #7c3aed 0%, #2563eb 100%);
  --btn-purple-blue: linear-gradient(90deg, #6366f1 0%, #0ea5e9 100%);
  --badge-purple: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-glow: 0 0 25px rgba(255, 184, 0, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Canvas Background for Dynamic Particles */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}

/* Background Yellow Ambient Glow Highlights */
.bg-glow-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 184, 0, 0.15) 0%, rgba(255, 184, 0, 0) 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}
.glow-top-right {
  top: -100px;
  right: -100px;
}
.glow-mid-left {
  top: 35%;
  left: -150px;
}
.glow-bottom-right {
  bottom: 5%;
  right: -150px;
}

/* Typography & Utilities */
a {
  color: var(--primary-yellow);
  text-decoration: none;
  transition: all 0.2s ease;
}
a:hover {
  color: #ffd54f;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-title .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--yellow-glow-subtle);
  border: 1px solid var(--border-yellow);
  border-radius: var(--radius-full);
  color: var(--primary-yellow);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 1rem;
}
.section-title h2 span {
  color: var(--primary-yellow);
  background: linear-gradient(135deg, #fff 30%, var(--primary-yellow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-decoration: none;
}

.btn-yellow {
  background: var(--primary-yellow);
  color: #000;
  box-shadow: 0 4px 20px rgba(255, 184, 0, 0.4);
}
.btn-yellow:hover {
  background: #ffd54f;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255, 184, 0, 0.6);
  color: #000;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--primary-yellow);
  color: var(--primary-yellow);
  transform: translateY(-2px);
}

.btn-card {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 8px;
  background: #2b3245;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s ease;
  display: block;
  text-align: center;
}
.btn-card:hover {
  background: #3a435c;
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-card-primary {
  background: var(--btn-purple-blue);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  display: block;
  text-align: center;
}
.btn-card-primary:hover {
  opacity: 0.95;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
  color: #ffffff;
}

/* Header & Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 1.2rem 0;
}
.navbar.scrolled {
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.8rem 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.03em;
}
.brand-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #ffb800 0%, #ff8f00 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow);
}
.brand-logo span {
  color: var(--primary-yellow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover {
  color: var(--primary-yellow);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 10rem 0 6rem;
  text-align: center;
  position: relative;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 184, 0, 0.1);
  border: 1px solid rgba(255, 184, 0, 0.3);
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  color: var(--primary-yellow);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.8rem;
  box-shadow: 0 0 15px rgba(255, 184, 0, 0.15);
}
.hero-tag .dot {
  width: 8px;
  height: 8px;
  background: var(--primary-yellow);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 184, 0, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(255, 184, 0, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 184, 0, 0); }
}

.hero h1 {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: #ffffff;
}
.hero h1 .highlight {
  color: var(--primary-yellow);
  background: linear-gradient(135deg, #ffffff 20%, #ffb800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 2.5rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  padding: 2rem;
  border-radius: var(--radius-lg);
}
.stat-item {
  text-align: center;
}
.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-yellow);
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-yellow);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 184, 0, 0.15);
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 184, 0, 0.1);
  border: 1px solid var(--border-yellow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-yellow);
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}
.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.6rem;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* PRICING SECTION - Strictly Matched to Image */
.pricing-section {
  padding: 6rem 0;
  background: rgba(0, 0, 0, 0.3);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}

.pricing-card {
  background: #151924;
  border-radius: 16px;
  padding: 2.5rem 2rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
}

/* Card 1 Highlight Border & Ribbon */
.pricing-card.featured {
  border: 2px solid #7c3aed;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.25);
  overflow: hidden;
}
.ribbon {
  position: absolute;
  top: 22px;
  right: -32px;
  background: var(--badge-purple);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 38px;
  transform: rotate(45deg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  letter-spacing: 0.05em;
}

.pricing-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.price-tag {
  display: flex;
  align-items: baseline;
  margin-bottom: 2rem;
}
.price-symbol {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  margin-right: 4px;
}
.price-amount {
  font-size: 3.5rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}
.price-period {
  font-size: 0.95rem;
  color: #94a3b8;
  margin-left: 6px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #cbd5e1;
  font-size: 0.98rem;
  margin-bottom: 1.1rem;
}
.pricing-features li svg {
  color: #38bdf8;
  flex-shrink: 0;
}

/* SEO Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}
.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-yellow);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}
.article-card .tag {
  display: inline-block;
  background: var(--yellow-glow-subtle);
  color: var(--primary-yellow);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  width: fit-content;
}
.article-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 0.8rem;
}
.article-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card .read-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-yellow);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Testimonials / User Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  position: relative;
}
.review-stars {
  color: #fbbf24;
  margin-bottom: 1rem;
  display: flex;
  gap: 0.25rem;
}
.review-text {
  font-size: 0.95rem;
  color: #e5e7eb;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.reviewer-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffb800 0%, #ff8f00 100%);
  color: #000;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.reviewer-details h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
}
.reviewer-details span {
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* FAQ Accordions */
.faq-container {
  max-width: 850px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item.active {
  border-color: var(--border-yellow);
}
.faq-question {
  padding: 1.4rem 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffffff;
}
.faq-question svg {
  transition: transform 0.3s ease;
  color: var(--primary-yellow);
}
.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 1.8rem;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.8rem 1.4rem;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.15) 0%, rgba(21, 25, 36, 0.9) 100%);
  border: 1px solid var(--border-yellow);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.cta-banner h2 {
  font-size: 2.5rem;
  color: #fff;
  font-weight: 800;
  margin-bottom: 1rem;
}
.cta-banner p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Footer */
.footer {
  background: #07090d;
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
}
.footer-column h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.6rem;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: var(--primary-yellow);
}

.keyword-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.keyword-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.keyword-tag:hover {
  color: var(--primary-yellow);
  border-color: var(--border-yellow);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Article Template Styles */
.article-header {
  padding: 8rem 0 3rem;
  text-align: center;
  background: radial-gradient(circle at top, rgba(255, 184, 0, 0.12) 0%, rgba(10, 12, 16, 0) 70%);
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1.2rem;
}
.article-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}
.article-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #e2e8f0;
}
.article-content h2 {
  font-size: 1.8rem;
  color: #ffffff;
  margin: 2.5rem 0 1.2rem;
  border-bottom: 2px solid var(--border-yellow);
  padding-bottom: 0.5rem;
}
.article-content h3 {
  font-size: 1.35rem;
  color: var(--primary-yellow);
  margin: 1.8rem 0 1rem;
}
.article-content p {
  margin-bottom: 1.4rem;
}
.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.8rem;
}
.article-content li {
  margin-bottom: 0.5rem;
}
.article-box {
  background: rgba(255, 184, 0, 0.08);
  border-left: 4px solid var(--primary-yellow);
  padding: 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}
.article-toc {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}
.article-toc h4 {
  color: var(--primary-yellow);
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}
.article-toc ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}
.article-toc li {
  margin-bottom: 0.4rem;
}
.article-toc a {
  color: var(--text-muted);
}
.article-toc a:hover {
  color: var(--primary-yellow);
}

.internal-links-box {
  background: rgba(18, 22, 31, 0.9);
  border: 1px solid var(--border-yellow);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-top: 3.5rem;
}
.internal-links-box h4 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3rem; }
  .features-grid, .pricing-grid, .articles-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .features-grid, .pricing-grid, .articles-grid, .reviews-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-content {
    padding: 1.5rem;
  }
}