/* ===================================================================
   wgetcloud官网 - 全球加速网络与Clash/Clash Party使用指南
   Domain: wgetcloudvpn.my
   Target: https://jichang-go.org/go.php
   =================================================================== */

:root {
  --bg-primary: #070a12;
  --bg-secondary: #0d1222;
  --bg-tertiary: #131b31;
  --bg-card: rgba(18, 26, 48, 0.75);
  --bg-card-hover: rgba(26, 38, 70, 0.85);
  --border-color: rgba(99, 102, 241, 0.18);
  --border-glow: rgba(56, 189, 248, 0.35);
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --gradient-brand: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-glow: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(139, 92, 246, 0.25));
  --gradient-btn: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  --gradient-btn-hover: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-cyan: 0 0 30px rgba(6, 182, 212, 0.25);
  --shadow-indigo: 0 0 30px rgba(99, 102, 241, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --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, monospace;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  scroll-behavior: smooth;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(99, 102, 241, 0.09) 0%, transparent 45%),
    radial-gradient(circle at 50% 75%, rgba(139, 92, 246, 0.07) 0%, transparent 50%),
    linear-gradient(to bottom, #070a12, #0b0f1a, #070a12);
  background-attachment: fixed;
}

/* Background dynamic grid */
.bg-grid-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 50px 50px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

/* Ambient glow blobs */
.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  animation: floatOrb 16s ease-in-out infinite alternate;
}
.glow-blob-1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.6), transparent 70%);
  top: -100px;
  left: -100px;
}
.glow-blob-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.5), transparent 70%);
  top: 30%;
  right: -150px;
  animation-delay: -5s;
}
.glow-blob-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.4), transparent 70%);
  bottom: 10%;
  left: 10%;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.1); }
  100% { transform: translate(-30px, 30px) scale(0.95); }
}

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

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: all 0.25s ease;
}
a:hover {
  color: #38bdf8;
}

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

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 10, 18, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}
.header.scrolled {
  background: rgba(7, 10, 18, 0.92);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}
.brand-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-brand);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.45);
}
.brand-logo-icon svg {
  width: 22px;
  height: 22px;
  fill: #ffffff;
}
.brand-badge {
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  margin-left: 4px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-btn);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.35);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: left 0.6s ease;
}
.btn-primary:hover {
  background: var(--gradient-btn-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(14, 165, 233, 0.5);
}
.btn-primary:hover::after {
  left: 100%;
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.12);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}
.btn-outline-cyan {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.35);
  color: var(--accent-cyan);
}
.btn-outline-cyan:hover {
  background: rgba(6, 182, 212, 0.18);
  border-color: var(--accent-cyan);
  color: #ffffff;
}
.btn-lg {
  padding: 14px 30px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  padding: 8px;
  font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 110px 0 80px;
  overflow: hidden;
  text-align: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #a5b4fc;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 24px;
  animation: pulseTag 2.5s infinite ease-in-out;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
}
@keyframes pulseTag {
  0%, 100% { border-color: rgba(99, 102, 241, 0.35); }
  50% { border-color: rgba(6, 182, 212, 0.6); box-shadow: 0 0 15px rgba(6, 182, 212, 0.2); }
}

.hero-title {
  font-size: 3.4rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}
.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 36px;
}
.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 860px;
  margin: 0 auto;
}
.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.92rem;
}
.hero-badge-item svg {
  width: 18px;
  height: 18px;
  fill: var(--accent-cyan);
}

/* Live Status Bar */
.status-bar-box {
  background: rgba(19, 27, 49, 0.7);
  border: 1px solid rgba(99, 102, 241, 0.25);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  max-width: 980px;
  margin: 40px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  box-shadow: var(--shadow-md);
}
.status-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.status-pulse {
  width: 10px;
  height: 10px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-green);
  position: relative;
}
.status-pulse::after {
  content: "";
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid var(--accent-green);
  border-radius: 50%;
  animation: pulseWave 1.8s infinite;
}
@keyframes pulseWave {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}
.status-metrics {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.status-metric-val {
  color: var(--text-main);
  font-weight: 700;
  font-family: var(--font-mono);
}

/* Section Common */
.section {
  padding: 90px 0;
  position: relative;
}
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.section-subtitle {
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Grid & Cards */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 30px rgba(6, 182, 212, 0.15);
  background: var(--bg-card-hover);
}
.feature-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--accent-cyan);
  transition: all 0.3s ease;
}
.feature-card:hover .feature-icon-wrap {
  background: var(--gradient-brand);
  color: #ffffff;
  transform: scale(1.08);
}
.feature-icon-wrap svg {
  width: 28px;
  height: 28px;
}
.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}
.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Pricing Section */
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  position: relative;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
}
.pricing-card.featured {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.15) 0%, rgba(19, 27, 49, 0.85) 100%);
  transform: scale(1.03);
  box-shadow: 0 0 35px rgba(6, 182, 212, 0.25);
}
.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}
.badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
}
.pricing-tier {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}
.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  min-height: 42px;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 24px;
}
.pricing-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
}
.pricing-num {
  font-size: 3rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}
.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.pricing-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}
.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text-muted);
  margin-bottom: 13px;
}
.pricing-feature-item svg {
  width: 17px;
  height: 17px;
  fill: var(--accent-green);
  flex-shrink: 0;
}
.pricing-feature-item strong {
  color: #ffffff;
}

/* Audience Grid */
.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
  display: flex;
  gap: 20px;
}
.audience-card:hover {
  border-color: var(--accent-indigo);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}
.audience-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.audience-icon svg {
  width: 26px;
  height: 26px;
}
.audience-content h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
}
.audience-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Clash / Clash Party Tutorial Tabs */
.tutorial-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.tutorial-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 18px;
  margin-bottom: 32px;
  overflow-x: auto;
}
.tutorial-tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tutorial-tab-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}
.tutorial-tab-btn.active {
  background: var(--gradient-btn);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.35);
}
.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-item {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 26px 20px;
}
.step-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}
.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
}
.step-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Testimonials / Reviews */
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}
.review-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
}
.review-stars {
  color: var(--accent-amber);
  margin-bottom: 14px;
  font-size: 1rem;
  letter-spacing: 2px;
}
.review-quote {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.65;
  margin-bottom: 22px;
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 1.1rem;
}
.author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}
.author-info span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.25s ease;
}
.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.4);
}
.faq-question {
  width: 100%;
  padding: 22px 26px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  cursor: pointer;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
  font-family: inherit;
  transition: color 0.2s ease;
}
.faq-question:hover {
  color: var(--accent-cyan);
}
.faq-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  stroke: var(--accent-cyan);
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 26px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 1000px;
  transition: max-height 0.5s ease-in-out;
  padding: 0 26px 22px;
}

/* Article Cards / Blog Showcase */
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 30px rgba(6, 182, 212, 0.15);
}
.article-thumb {
  height: 190px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  position: relative;
  overflow: hidden;
}
.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.article-card:hover .article-thumb img {
  transform: scale(1.05);
}
.article-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7, 10, 18, 0.75);
  backdrop-filter: blur(8px);
  color: var(--accent-cyan);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid rgba(6, 182, 212, 0.3);
}
.article-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  color: #ffffff;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}
.article-card:hover .article-title {
  color: var(--accent-cyan);
}
.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}
.article-link {
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-cyan);
}

/* Call to Action Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(6, 182, 212, 0.2);
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
.cta-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #ffffff;
}
.cta-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 32px;
}

/* Footer */
.footer {
  background: #050811;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 70px 0 30px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 16px 0 20px;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 11px;
}
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}
.footer-col ul li a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}
.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-dark);
}
.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a {
  color: var(--text-dark);
  font-size: 0.85rem;
}
.footer-bottom-links a:hover {
  color: var(--text-muted);
}

/* Floating Tools / Back to Top */
.float-controls {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 99;
}
.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(19, 27, 49, 0.85);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}
.float-btn:hover {
  background: var(--gradient-btn);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}
.float-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.8rem; }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .step-flow { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .header { height: auto; }
  .navbar { height: 68px; }
  .mobile-toggle { display: block; }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(7, 10, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-links.active { display: flex; }
  
  .nav-actions { display: none; }
  .hero-title { font-size: 2.1rem; }
  .hero-subtitle { font-size: 1rem; }
  .section { padding: 60px 0; }
  .section-title { font-size: 1.8rem; }
  
  .card-grid-3, .card-grid-2, .card-grid-4 { grid-template-columns: 1fr; }
  .step-flow { grid-template-columns: 1fr; }
  .audience-card { flex-direction: column; }
  
  .tutorial-box { padding: 24px 18px; }
  .status-bar-box { flex-direction: column; align-items: flex-start; }
  .status-metrics { flex-wrap: wrap; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}