/* yonglian.homes Modern Design System & Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Vibrant Dark Indigos/Blues (No Pure Black) */
  --bg-primary: #0b0d1b;   /* Rich Deep Indigo */
  --bg-secondary: #11142e; /* Starry Navy */
  --bg-tertiary: #181d42;  /* Galactic Dark Blue */
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary: #6366f1; /* Indigo */
  --primary-hover: #4f46e5;
  
  --accent-sun: #f59e0b; /* Amber */
  --accent-sun-glow: rgba(245, 158, 11, 0.45);
  --accent-cloud: #e2e8f0;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Custom Cursor Canvas */
#mouse-trail {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99999;
}

/* Header & Nav */
header.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 2rem;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(11, 13, 27, 0.7);
  backdrop-filter: blur(12px);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  border: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo i {
  color: var(--primary);
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.btn-cta {
  background: linear-gradient(135deg, var(--primary), #818cf8);
  color: var(--text-primary);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
  background: linear-gradient(135deg, #818cf8, var(--primary));
}

/* Hero Section with Custom Curve and Weather Elements */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 6rem 2rem;
  background: linear-gradient(180deg, #1d2142 0%, var(--bg-primary) 100%);
  overflow: hidden;
  /* Top background border curved on both left and right sides */
  clip-path: polygon(0 0, 100% 0, 100% 88%, 85% 96%, 50% 90%, 15% 96%, 0 88%);
}

/* Cloud and Sun Animations */
.sky-element {
  position: absolute;
  pointer-events: none;
}

.glowing-sun {
  top: 10%;
  right: 8%;
  width: 280px;
  height: 280px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

.sun-glow-outer {
  position: absolute;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25) 0%, rgba(239, 68, 68, 0.05) 50%, transparent 70%);
  filter: blur(25px);
  animation: solar-flare 8s ease-in-out infinite alternate;
}

.sun-glow-medium {
  position: absolute;
  width: 170px;
  height: 170px;
  background: radial-gradient(circle, rgba(254, 240, 138, 0.5) 0%, rgba(245, 158, 11, 0.2) 60%, transparent 80%);
  filter: blur(12px);
}

.sun-core {
  position: absolute;
  width: 75px;
  height: 75px;
  background: radial-gradient(circle, #ffffff 0%, #fffbeb 25%, #fef08a 60%, #f59e0b 100%);
  border-radius: 50%;
  box-shadow: 0 0 35px #ffffff, 0 0 70px #f59e0b, 0 0 120px rgba(245, 158, 11, 0.5);
  animation: sun-pulse-core 4s ease-in-out infinite alternate;
}

.sun-flare {
  position: absolute;
  width: 2px;
  height: 240px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: rotate(45deg);
}

.sun-flare-2 {
  position: absolute;
  width: 2px;
  height: 240px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: rotate(-45deg);
}

.cloud {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  filter: blur(12px) drop-shadow(0 15px 30px rgba(0, 0, 0, 0.22)); /* Blur merges bubbles into realistic volumetric clouds */
  opacity: 0.85;
}

.cloud-1 {
  width: 320px;
  height: 120px;
  top: 15%;
  left: -400px;
  animation: float-cloud 55s linear infinite;
}

.cloud-2 {
  width: 380px;
  height: 140px;
  top: 35%;
  right: -500px;
  animation: float-cloud-reverse 70s linear infinite;
  opacity: 0.75;
}

.cloud-bubble {
  position: absolute;
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #cbd5e1 55%, #94a3b8 90%, #64748b 100%);
  border-radius: 50%;
}

/* Bubbles defining Cloud 1 volumetric shape */
.cloud-1 .bubble-1 { width: 120px; height: 120px; top: 10px; left: 40px; }
.cloud-1 .bubble-2 { width: 160px; height: 160px; top: -30px; left: 100px; }
.cloud-1 .bubble-3 { width: 130px; height: 130px; top: 0px; left: 210px; }
.cloud-1 .bubble-4 { width: 90px; height: 90px; top: 30px; left: 10px; }
.cloud-1 .bubble-5 { width: 100px; height: 100px; top: 25px; left: 270px; }

/* Bubbles defining Cloud 2 volumetric shape */
.cloud-2 .bubble-1 { width: 140px; height: 140px; top: 10px; left: 50px; }
.cloud-2 .bubble-2 { width: 190px; height: 190px; top: -40px; left: 120px; }
.cloud-2 .bubble-3 { width: 150px; height: 150px; top: 0px; left: 250px; }
.cloud-2 .bubble-4 { width: 110px; height: 110px; top: 30px; left: 10px; }
.cloud-2 .bubble-5 { width: 120px; height: 120px; top: 20px; left: 320px; }

@keyframes sun-pulse-core {
  0% { transform: scale(0.97); box-shadow: 0 0 30px #ffffff, 0 0 60px #f59e0b; }
  100% { transform: scale(1.03); box-shadow: 0 0 45px #ffffff, 0 0 85px #f59e0b, 0 0 140px rgba(245, 158, 11, 0.6); }
}

@keyframes solar-flare {
  0% { transform: rotate(0deg) scale(0.95); opacity: 0.8; }
  100% { transform: rotate(180deg) scale(1.05); opacity: 1; }
}

@keyframes float-cloud {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(100vw + 600px)); }
}

@keyframes float-cloud-reverse {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-100vw - 800px)); }
}

/* Hero Content */
.hero-wrapper {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: var(--primary);
}

/* VPN Ladder / Elevator Graphic */
.hero-graphic {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ladder-elevator-concept {
  width: 320px;
  height: 380px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
}

.ladder-elevator-concept::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(99, 102, 241, 0.05), transparent);
  animation: sweep 4s linear infinite;
}

@keyframes sweep {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.concept-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  font-weight: 700;
  text-align: center;
}

.visual-container {
  flex-grow: 1;
  position: relative;
  margin: 1.5rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Core SVG illustration styling */
.ladder-svg, .elevator-svg {
  position: absolute;
  transition: var(--transition-smooth);
}

.elevator-shaft {
  stroke-dasharray: 5 5;
  animation: shaft-scroll 2s linear infinite;
}

@keyframes shaft-scroll {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -10; }
}

.elevator-cabin {
  animation: elevator-up-down 6s ease-in-out infinite alternate;
}

@keyframes elevator-up-down {
  0% { transform: translateY(60px); }
  100% { transform: translateY(-60px); }
}

.signal-beam {
  stroke-dasharray: 8 8;
  animation: pulse-beam 1.5s linear infinite;
}

@keyframes pulse-beam {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -16; }
}

.concept-status {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
}

/* Feature Section */
.section-padding {
  padding: 7rem 2rem;
}

.section-title-wrap {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-title-wrap h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title-wrap p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: var(--glass-bg-hover);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.feature-card .icon-box {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

.feature-card:hover .icon-box {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05) rotate(5deg);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Pricing Section - Horizontal single row format */
.pricing-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
}

.pricing-row-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: stretch;
  gap: 2rem;
}

.pricing-card {
  flex: 1;
  min-width: 300px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.pricing-card.popular {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.04);
  transform: scale(1.03);
}

.pricing-card.popular::before {
  content: '推荐套餐';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), #818cf8);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.4rem 1.2rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.popular:hover {
  transform: translateY(-8px) scale(1.03);
}

.price-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.price-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.price-value {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
}

.price-value span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-left: 0.3rem;
}

.price-features {
  list-style: none;
  margin-bottom: 2.5rem;
  border-top: 1px solid var(--glass-border);
  padding-top: 1.5rem;
}

.price-features li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.price-features li i {
  color: var(--primary);
  font-size: 1rem;
}

.btn-price {
  width: 100%;
  text-align: center;
  padding: 0.8rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.pricing-card:not(.popular) .btn-price {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.pricing-card:not(.popular) .btn-price:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.pricing-card.popular .btn-price {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.pricing-card.popular .btn-price:hover {
  background: var(--primary-hover);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

/* User Reviews Section */
.reviews-section {
  background: var(--bg-primary);
}

.reviews-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.review-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  position: relative;
  transition: var(--transition-smooth);
}

.review-card:hover {
  border-color: rgba(99, 102, 241, 0.25);
  transform: translateY(-3px);
  background: var(--glass-bg-hover);
}

.review-stars {
  color: var(--accent-sun);
  margin-bottom: 1rem;
}

.review-content {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.review-content::before {
  content: '“';
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.15;
  position: absolute;
  top: -1.5rem;
  left: -0.5rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.review-avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.review-author-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

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

/* FAQ Section (Accordion) */
.faq-section {
  background: var(--bg-secondary);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--glass-border);
  padding: 1.5rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 0.5rem 0;
}

.faq-question h3 {
  font-size: 1.15rem;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.faq-question:hover h3 {
  color: var(--primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.faq-icon i {
  font-size: 0.75rem;
  transition: var(--transition-smooth);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding-right: 2rem;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding-top: 1rem;
}

/* FAQ Open States */
.faq-item.active .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-item.active .faq-answer {
  max-height: 200px; /* Arbitrary large enough height */
}

/* Blog Articles Section */
.blog-section {
  background: var(--bg-primary);
}

.blog-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.blog-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.3);
  background: var(--glass-bg-hover);
}

.blog-meta-img {
  height: 180px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--glass-border);
  overflow: hidden;
}

/* Server Status Led Lights - blinking library indicator lights */
.card-server-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
  padding: 0.4rem 0.8rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-text {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.led-lights {
  display: flex;
  gap: 5px;
}

.led-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.led-dot.green {
  background-color: #10b981;
  box-shadow: 0 0 6px #10b981;
  animation: blink-green 0.8s infinite alternate;
}

.led-dot.blue {
  background-color: #3b82f6;
  box-shadow: 0 0 6px #3b82f6;
  animation: blink-blue 1.1s infinite alternate 0.2s;
}

.led-dot.yellow {
  background-color: #f59e0b;
  box-shadow: 0 0 6px #f59e0b;
  animation: blink-yellow 1.4s infinite alternate 0.4s;
}

@keyframes blink-green {
  0% { opacity: 0.4; filter: brightness(0.6); }
  100% { opacity: 1; filter: brightness(1.2); box-shadow: 0 0 10px #10b981; }
}

@keyframes blink-blue {
  0% { opacity: 0.4; filter: brightness(0.6); }
  100% { opacity: 1; filter: brightness(1.2); box-shadow: 0 0 10px #3b82f6; }
}

@keyframes blink-yellow {
  0% { opacity: 0.4; filter: brightness(0.6); }
  100% { opacity: 1; filter: brightness(1.2); box-shadow: 0 0 10px #f59e0b; }
}

.blog-card-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.blog-card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.blog-card-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.blog-card-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-read-more {
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.blog-card:hover .blog-read-more {
  color: #818cf8;
}

/* Footer Section */
footer.site-footer {
  background-color: #0c0d21; /* Rich indigo blue instead of black */
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2.5rem 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

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

/* Footer Friend Links / PBN weight pipeline - Deeply integrated & styled */
.footer-friend-links {
  border-top: 1px solid var(--glass-border);
  padding-top: 1.5rem;
  width: 100%;
  max-width: 600px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-friend-links span {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-friend-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.footer-friend-links a:hover {
  color: var(--text-secondary);
  text-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* Common Layouts & Core Elements for Sub-Articles (Blog detail template styles) */
.blog-detail-container {
  max-width: 850px;
  margin: 0 auto;
  padding: 8rem 1.5rem 6rem 1.5rem;
}

.blog-detail-header {
  margin-bottom: 3rem;
  text-align: center;
}

.blog-detail-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blog-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.blog-content p {
  margin-bottom: 1.5rem;
}

.blog-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2.5rem 0 1.2rem 0;
  border-left: 4px solid var(--primary);
  padding-left: 1rem;
}

.blog-content h3 {
  font-size: 1.4rem;
  font-weight: 650;
  color: var(--text-primary);
  margin: 2rem 0 1rem 0;
}

.blog-content ul, .blog-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.blog-content li {
  margin-bottom: 0.5rem;
}

.blog-content blockquote {
  background: var(--glass-bg);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-secondary);
}

.blog-content a.internal-link {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px dashed var(--primary);
}

.blog-content a.internal-link:hover {
  color: #818cf8;
  border-bottom-style: solid;
}

.blog-cta-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(129, 140, 248, 0.03) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin: 3rem 0;
}

.blog-cta-box h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: #fff;
}

.blog-cta-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Back to Home Button */
.back-to-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.back-to-home:hover {
  color: var(--primary);
}

/* Responsiveness / Media Queries */
@media (max-width: 1024px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-graphic {
    max-width: 380px;
    margin: 0 auto;
  }
  
  .pricing-row-container {
    flex-direction: column;
    align-items: center;
  }
  
  .pricing-card {
    width: 100%;
    max-width: 450px;
  }
  
  .pricing-card.popular {
    transform: scale(1);
  }
  
  .pricing-card.popular:hover {
    transform: translateY(-8px) scale(1);
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .nav-container {
    padding: 0.8rem 1.2rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .hero-text h1 {
    font-size: 2.5rem;
  }
  
  .glowing-sun {
    width: 160px;
    height: 160px;
    top: 5%;
    right: 3%;
  }

  .sun-core {
    width: 50px;
    height: 50px;
  }

  .sun-glow-outer {
    width: 140px;
    height: 140px;
  }

  .sun-glow-medium {
    width: 100px;
    height: 100px;
  }

  .sun-flare, .sun-flare-2 {
    height: 130px;
  }
  
  .section-padding {
    padding: 4rem 1rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-section {
    clip-path: polygon(0 0, 100% 0, 100% 92%, 85% 97%, 50% 93%, 15% 97%, 0 92%);
  }
}