/* ==========================================================================
   Neko77 Cloud (neko77.cyou) - Design System & Custom Stylesheet
   Theme: Gothic Anime Cream & Dark Pink Accent
   ========================================================================== */

:root {
  --bg-primary: #FAF7F0;
  --bg-card: #FFFFFF;
  --bg-card-alt: #F4EFE6;
  --text-main: #2D2D2A;
  --text-muted: #666660;
  --accent-pink: #E84A5F;
  --accent-pink-hover: #D03B4E;
  --accent-pink-light: #FFF0F2;
  --accent-dark: #1E1E1C;
  --border-color: #E6DFD5;
  --border-pink: #FFD1D8;
  --shadow-sm: 0 4px 12px rgba(45, 45, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(45, 45, 42, 0.08);
  --shadow-hover: 0 12px 32px rgba(232, 74, 95, 0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography Helpers */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-pink-light);
  color: var(--accent-pink);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid var(--border-pink);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 650px;
  margin-bottom: 40px;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50px;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--accent-pink);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--accent-pink-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--text-main);
  border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-pink);
  color: var(--accent-pink);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--accent-dark);
  color: #FFFFFF;
}

.btn-dark:hover {
  background-color: #333330;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

/* Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-pink);
}

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

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.nav-links a:hover {
  color: var(--accent-pink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title span {
  color: var(--accent-pink);
  position: relative;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-features {
  display: flex;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.hero-feature-item svg {
  color: var(--accent-pink);
}

/* Hero Card Illustration */
.hero-card-preview {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 32px;
  box-shadow: var(--shadow-md);
  position: relative;
}

/* Cute Cat Ears on Card Header */
.hero-card-preview .cat-ears {
  position: absolute;
  top: -24px;
  left: 32px;
  z-index: 10;
  pointer-events: none;
  filter: drop-shadow(0 -2px 4px rgba(45, 45, 42, 0.08));
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.node-status-pill {
  background: #E6F4EA;
  color: #137333;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

.hero-node-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-node-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.hero-node-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
}

.flag-icon {
  font-size: 1.2rem;
}

.latency-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: #10B981;
  background: rgba(16, 185, 129, 0.1);
  padding: 3px 8px;
  border-radius: 6px;
}

/* URL Release Section (Replicating Screenshot Header 01) */
.url-section {
  padding: 60px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.url-box-container {
  background: #FFFDF9;
  border: 2px dashed var(--border-pink);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.url-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.url-header-num {
  color: var(--accent-pink);
  font-weight: 800;
  font-size: 1.2rem;
}

.url-header-title {
  font-size: 1.5rem;
  font-weight: 800;
}

.url-header-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.url-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 24px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.3s;
}

.url-card:hover {
  border-color: var(--accent-pink);
}

.url-domain {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-pink);
  letter-spacing: 0.5px;
}

.url-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Pricing & Nodes Section (Replicating Screenshot Header 02) */
.pricing-section {
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.price-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-pink);
}

.price-card.popular {
  border: 2px solid var(--accent-pink);
  box-shadow: var(--shadow-hover);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--accent-pink);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.price-plan-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.price-plan-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 40px;
}

.price-amount {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 24px;
}

.price-amount span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.price-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.925rem;
}

.price-feature-item svg {
  color: var(--accent-pink);
  flex-shrink: 0;
}

/* Node List Group Component */
.nodes-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 50px;
}

.nodes-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.node-tab-btn {
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}

.node-tab-btn.active {
  background: var(--accent-pink);
  color: #FFFFFF;
  border-color: var(--accent-pink);
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.node-pill {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 600;
}

.node-pill span.multiplier {
  color: var(--accent-pink);
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--accent-pink-light);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Articles Section */
.articles-section {
  padding: 80px 0;
  background: var(--bg-card-alt);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-pink);
}

.article-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-pink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-pink);
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-link:hover {
  gap: 10px;
}

/* User Feedback / Testimonials */
.testimonials-section {
  padding: 80px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.testimonial-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 28px;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-pink-light);
  color: var(--accent-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  border: 1px solid var(--border-pink);
}

.user-name {
  font-weight: 700;
  font-size: 1rem;
}

.user-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.rating-stars {
  color: #F59E0B;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.925rem;
  color: var(--text-main);
  line-height: 1.6;
}

/* FAQ Accordion Section */
.faq-section {
  padding: 80px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
}

.faq-list {
  max-width: 800px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s;
  color: var(--accent-pink);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Core Task 2: PBN Footer Friend Links Styling */
footer {
  background-color: var(--accent-dark);
  color: #A0A09C;
  padding: 60px 0 30px;
  margin-top: auto;
  border-top: 1px solid #2D2D2A;
}

.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: #FFFFFF;
}

/* Friend Links Zone (PBN Inject Area) */
.footer-friendlinks {
  font-size: 0.825rem;
  color: #777773;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

.footer-friendlinks span {
  color: #555550;
  font-size: 0.75rem;
}

.footer-friendlinks a {
  color: #888884;
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-friendlinks a:hover {
  color: var(--accent-pink);
  text-decoration: underline;
}

.footer-copyright {
  font-size: 0.8rem;
  color: #666662;
}

/* Article Page Layout Styling */
.article-container {
  max-width: 860px;
  margin: 40px auto 80px;
  padding: 0 20px;
}

.article-header-box {
  margin-bottom: 40px;
}

.article-meta {
  display: flex;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.article-body {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-body h2 {
  font-size: 1.6rem;
  margin: 36px 0 16px;
  color: var(--text-main);
  border-bottom: 2px solid var(--accent-pink-light);
  padding-bottom: 8px;
}

.article-body h3 {
  font-size: 1.25rem;
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

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

.article-cta-box {
  background: linear-gradient(135deg, #FFF5F6 0%, #FFFDF9 100%);
  border: 2px dashed var(--accent-pink);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 36px 0;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.3rem;
  color: var(--accent-pink);
  margin-bottom: 12px;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }
  .url-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .url-domain {
    font-size: 1.4rem;
  }
  .article-body {
    padding: 24px 20px;
  }
}