/* ==========================================================================
   OIXCloud Official Landing Page Stylesheet (oixcloud.rest)
   Pure Native CSS - Ultra Fast Sub-Second Loading Speed
   Zero Heavy External JS Frameworks - Maximum Performance & SEO Score
   ========================================================================== */

:root {
  --bg-dark: #060913;
  --bg-surface: #0a0f22;
  --bg-card: rgba(13, 20, 42, 0.72);
  --bg-card-hover: rgba(20, 31, 62, 0.88);
  --bg-card-featured: rgba(18, 28, 64, 0.95);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --border-highlight: rgba(0, 245, 255, 0.5);
  
  --primary: #00f5ff;
  --primary-rgb: 0, 245, 255;
  --primary-dark: #0284c7;
  --secondary: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-cyan: #38bdf8;
  --accent-pink: #ec4899;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px rgba(0, 245, 255, 0.28);
  --shadow-glow-purple: 0 0 35px rgba(139, 92, 246, 0.25);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  scroll-behavior: smooth;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-dark);
}

/* ==========================================================================
   DYNAMIC BACKGROUND CANVAS & AMBIENT GLOW
   ========================================================================== */
#dynamic-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.92;
}

.ambient-glow-top {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 480px;
  background: radial-gradient(circle, rgba(0, 245, 255, 0.15) 0%, rgba(59, 130, 246, 0.1) 40%, rgba(139, 92, 246, 0.03) 70%, transparent 80%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
  animation: pulseAmbient 10s ease-in-out infinite alternate;
}

.ambient-glow-pricing {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1100px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, rgba(0, 245, 255, 0.08) 45%, transparent 75%);
  filter: blur(75px);
  pointer-events: none;
  z-index: 0;
}

@keyframes pulseAmbient {
  0% { transform: translateX(-50%) scale(0.95); opacity: 0.7; }
  100% { transform: translateX(-50%) scale(1.08); opacity: 1; }
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography & Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

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

.text-gradient {
  background: linear-gradient(135deg, #00f5ff 0%, #38bdf8 30%, #818cf8 70%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 52px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid rgba(0, 245, 255, 0.25);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.35rem;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   BUTTONS & STRICT CTA LINKS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00f5ff 0%, #0284c7 60%, #6366f1 100%);
  color: #040914;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(0, 245, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(0, 245, 255, 0.5);
  color: #000;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border-color: var(--border-light);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   HEADER / NAVBAR (WITH LOGO ON TOP LEFT)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(6, 9, 19, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 34px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.93rem;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 90px 0 75px;
  text-align: center;
  overflow: hidden;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(13, 20, 42, 0.85);
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 26px;
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.15);
}

.hero-pill-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00f5ff;
  box-shadow: 0 0 10px #00f5ff;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.35rem;
  letter-spacing: -1px;
  margin-bottom: 22px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-subtitle strong {
  color: #fff;
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 46px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
  max-width: 900px;
  margin: 0 auto;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.trust-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* ==========================================================================
   STATS SECTION
   ========================================================================== */
.stats-section {
  padding: 30px 0 60px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 255, 0.4);
  box-shadow: 0 10px 25px -5px rgba(0, 245, 255, 0.15);
}

.stat-num {
  font-size: 2.3rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.stat-num span {
  color: var(--primary);
  font-size: 1.4rem;
  margin-left: 2px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CORE FEATURES SECTION
   ========================================================================== */
.features-section {
  padding: 85px 0 75px;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(14px);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 245, 255, 0.35);
  box-shadow: 0 12px 30px -8px rgba(0, 245, 255, 0.2);
}

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.15), rgba(59, 130, 246, 0.15));
  border: 1px solid rgba(0, 245, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   NODE MONITOR & NETWORK SECTION
   ========================================================================== */
.nodes-section {
  padding: 85px 0 75px;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 15, 34, 0.6) 50%, transparent 100%);
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}

.node-card:hover {
  border-color: rgba(0, 245, 255, 0.4);
  transform: translateX(4px);
}

.node-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.node-flag {
  font-size: 2rem;
  line-height: 1;
}

.node-name {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 3px;
}

.node-type {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.node-right {
  text-align: right;
}

.node-ping {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--success);
}

.node-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  margin-top: 3px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

/* ==========================================================================
   PRICING SECTION: ALL 4 PRICES STRICTLY IN THE SAME ROW ("所有价格要同排")
   ========================================================================== */
.pricing-section {
  position: relative;
  padding: 95px 0 85px;
}

/* Strict 4 Columns in the same row on desktop */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(16px);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 245, 255, 0.45);
  box-shadow: 0 16px 36px -10px rgba(0, 245, 255, 0.25);
}

.pricing-card.featured {
  background: var(--bg-card-featured);
  border: 2px solid var(--primary);
  box-shadow: 0 12px 35px -8px rgba(0, 245, 255, 0.35);
  transform: scale(1.02);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #00f5ff, #6366f1);
  color: #040914;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  white-space: nowrap;
}

.plan-header {
  margin-bottom: 20px;
  text-align: center;
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.plan-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.plan-price-wrap {
  text-align: center;
  padding: 16px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 22px;
}

.plan-currency {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  vertical-align: top;
  line-height: 1.8;
  margin-right: 2px;
}

.plan-price {
  font-size: 2.35rem;
  font-weight: 900;
  color: #fff;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

.plan-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-left: 2px;
}

.plan-billing-note {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 5px;
}

.plan-features {
  list-style: none;
  margin-bottom: 26px;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.plan-feature-item svg {
  color: var(--success);
  flex-shrink: 0;
}

.plan-feature-item.highlight {
  color: var(--text-main);
  font-weight: 600;
}

.plan-feature-item.highlight svg {
  color: var(--primary);
}

/* ==========================================================================
   CLIENT DOWNLOADS & APP ECOSYSTEM SECTION
   ========================================================================== */
.clients-section {
  padding: 85px 0 75px;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}

.client-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 255, 0.35);
}

.client-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--primary);
}

.client-card h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.client-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.client-tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(0, 245, 255, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 245, 255, 0.2);
}

/* ==========================================================================
   ARTICLES SECTION (SEO BLOG / KNOWLEDGE BASE)
   ========================================================================== */
.articles-section {
  padding: 90px 0 80px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  backdrop-filter: blur(14px);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 245, 255, 0.4);
  box-shadow: 0 12px 30px -8px rgba(0, 245, 255, 0.2);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.article-category {
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 245, 255, 0.1);
  color: var(--primary);
  font-weight: 600;
  border: 1px solid rgba(0, 245, 255, 0.2);
}

.article-title {
  font-size: 1.18rem;
  line-height: 1.45;
  margin-bottom: 12px;
  transition: var(--transition);
}

.article-card:hover .article-title {
  color: var(--primary);
}

.article-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.article-readmore {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.article-card:hover .article-readmore {
  gap: 8px;
}

/* ==========================================================================
   USER REVIEWS / TESTIMONIALS SECTION
   ========================================================================== */
.reviews-section {
  padding: 90px 0 80px;
  background: linear-gradient(180deg, transparent 0%, rgba(13, 20, 42, 0.5) 50%, transparent 100%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  backdrop-filter: blur(14px);
}

.review-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 245, 255, 0.35);
  box-shadow: 0 10px 25px -5px rgba(0, 245, 255, 0.15);
}

.review-stars {
  display: flex;
  gap: 3px;
  color: #fbbf24;
  margin-bottom: 14px;
}

.review-content {
  font-size: 0.94rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f5ff, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #040914;
  font-size: 1rem;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.author-role {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ==========================================================================
   FAQ SECTION (COLLAPSIBLE ACCORDION)
   ========================================================================== */
.faq-section {
  padding: 90px 0 85px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(14px);
}

.faq-item:hover {
  border-color: rgba(0, 245, 255, 0.3);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 24px;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.7;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 22px;
}

/* ==========================================================================
   AUTHORITY EXTERNAL LINKS & RESOURCES SECTION (外链导航)
   ========================================================================== */
.resources-section {
  padding: 70px 0 60px;
  border-top: 1px solid var(--border-color);
  background: rgba(8, 12, 26, 0.6);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.resource-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 18px;
}

.resource-cat-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.resource-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.resource-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.resource-links a:hover {
  color: #fff;
  transform: translateX(4px);
}

.resource-links a svg {
  width: 12px;
  height: 12px;
  color: var(--text-dim);
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
  background: #03060f;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 45px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 16px 0 20px;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 25px;
  border-top: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-disclaimer {
  max-width: 600px;
  font-size: 0.76rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-top: 8px;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (ENSURING SAME ROW ON DESKTOP)
   ========================================================================== */
@media (max-width: 1100px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid, .reviews-grid, .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.85rem;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .nav-menu {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .features-grid, .reviews-grid, .articles-grid, .nodes-grid, .stats-grid, .clients-grid, .resources-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}