/* Standard Modern Stylesheet for WgetCloud Landing Page */
:root {
  --bg-primary: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #1a253e;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(139, 92, 246, 0.3);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --glow-shadow: 0 0 25px rgba(139, 92, 246, 0.25);
  --container-max: 1320px;
}

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
}

/* Layout Utilities */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 5rem 0;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid var(--border-accent);
  color: #c084fc;
}

/* Navigation Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
}

.logo-icon {
  width: 2.2rem;
  height: 2.2rem;
  background: var(--accent-gradient);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  box-shadow: var(--glow-shadow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #ffffff;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  background: var(--accent-gradient);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 0.6rem;
  text-decoration: none;
  box-shadow: var(--glow-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 0.6rem;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 9rem;
  padding-bottom: 5rem;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at 50% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 60%);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.25;
  margin: 1.5rem 0 1rem;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2rem;
}

.hero-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.stat-item h3 {
  font-size: 1.8rem;
  color: #a855f7;
  font-weight: 800;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
}

.feature-icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.75rem;
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Pricing Section */
.pricing-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.tab-btn {
  padding: 0.6rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.3s, border-color 0.3s;
}

.pricing-card.popular {
  border: 2px solid var(--accent-purple);
  box-shadow: var(--glow-shadow);
  transform: scale(1.03);
}

.pricing-ribbon {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent-gradient);
  color: white;
  padding: 0.25rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 9999px;
  text-transform: uppercase;
}

.pricing-header h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  margin: 1rem 0;
}

.pricing-price span {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: normal;
}

.pricing-features {
  list-style: none;
  margin: 1.5rem 0 2rem;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.pricing-features li svg {
  color: #10b981;
  flex-shrink: 0;
}

/* Articles Section */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s, border-color 0.3s;
}

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

.article-tag {
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.article-card h3 {
  font-size: 1.15rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.article-card h3 a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.2s;
}

.article-card h3 a:hover {
  color: var(--accent-purple);
}

.article-excerpt {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.article-link {
  color: var(--accent-purple);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* User Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
}

.review-info h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.review-info p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.review-stars {
  color: #f59e0b;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.review-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* FAQ Accordion */
.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-question svg {
  transition: transform 0.3s;
  color: var(--accent-purple);
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.25) 100%);
  border: 1px solid var(--border-accent);
  border-radius: 1.5rem;
  padding: 3.5rem 2rem;
  text-align: center;
  margin: 4rem 0;
  box-shadow: var(--glow-shadow);
}

.cta-banner h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.cta-banner p {
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

/* Footer & Core Task 2 Links */
.footer {
  background: #070a12;
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--accent-purple);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
  text-align: center;
}

/* Core Task 2: PBN Friend Links Requirement Style */
.pbn-links-area {
  margin-bottom: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.pbn-links-area span {
  opacity: 0.7;
}

.pbn-links-area a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.pbn-links-area a:hover {
  color: var(--accent-purple);
  text-decoration: underline;
}

/* Article Template Styles */
.article-header {
  padding-top: 8rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
  background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--accent-purple);
}

.article-content {
  max-width: 820px;
  margin: 3rem auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #d1d5db;
}

.article-content h1 {
  font-size: 2.4rem;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.article-body h2 {
  font-size: 1.7rem;
  color: #ffffff;
  margin: 2rem 0 1rem;
  border-left: 4px solid var(--accent-purple);
  padding-left: 0.85rem;
}

.article-body h3 {
  font-size: 1.3rem;
  color: #f3f4f6;
  margin: 1.5rem 0 0.75rem;
}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body blockquote {
  background: var(--bg-card);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.25rem 1.5rem;
  border-radius: 0.5rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: italic;
}

.article-body a {
  color: #a855f7;
  text-decoration: underline;
  font-weight: 500;
}

.article-body a:hover {
  color: #c084fc;
}

.keyword-highlight {
  background: rgba(139, 92, 246, 0.15);
  padding: 0.1rem 0.4rem;
  border-radius: 0.25rem;
  color: #e9d5ff;
}

.article-cta {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  margin: 3rem 0;
}

/* Media Queries for Mobile Responsiveness */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.1rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.25rem;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 4.5rem;
    left: 0;
    width: 100%;
    background: #0d1322;
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    clip-path: circle(0% at 100% 0);
    transition: clip-path 0.4s ease-in-out;
  }
  
  .nav-links.active {
    clip-path: circle(140% at 100% 0);
  }
  
  .pricing-card.popular {
    transform: none;
  }
  
  .section {
    padding: 3.5rem 0;
  }
  
  .article-content h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 640px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}