/* ==========================================================================
   neko77 猫咪机场官网 (neko77.homes) - 官方可爱猫咪主题样式表
   全端响应式 / 暖萌奶霜猫咪美学 / 高转化落地页与 SEO 专栏专用
   ========================================================================== */

:root {
  /* Cute Cat Color Palette */
  --bg-main: #fff7f5;
  --bg-secondary: #fef2f2;
  --bg-card: #ffffff;
  --bg-card-hover: #fff5f7;
  --bg-card-soft: #fff1f2;
  --bg-glass: rgba(255, 255, 255, 0.9);
  
  --border-color: rgba(251, 113, 133, 0.22);
  --border-focus: rgba(244, 63, 94, 0.5);
  --border-light: #fce7f3;

  --primary: #f43f5e;
  --primary-hover: #e11d48;
  --coral: #fb7185;
  --peach: #f97316;
  --amber: #f59e0b;
  --emerald: #10b981;
  --purple-cute: #c084fc;

  --text-main: #1e293b;
  --text-sub: #475569;
  --text-muted: #94a3b8;

  --gradient-brand: linear-gradient(135deg, #f43f5e 0%, #fb7185 45%, #f97316 100%);
  --gradient-soft: linear-gradient(135deg, #fff1f2 0%, #fef3c7 100%);
  --gradient-btn: linear-gradient(135deg, #f43f5e 0%, #fb7185 50%, #f97316 100%);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-cute: 0 10px 30px -5px rgba(251, 113, 133, 0.12), 0 4px 6px -2px rgba(249, 115, 22, 0.05);
  --shadow-glow: 0 12px 35px rgba(244, 63, 94, 0.22);
  --shadow-card-hover: 0 20px 35px -5px rgba(251, 113, 133, 0.2);
}

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

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

body {
  overflow-x: hidden;
  background: var(--bg-main);
  background-image: 
    radial-gradient(circle at 12% 18%, rgba(254, 205, 211, 0.45) 0%, transparent 40%),
    radial-gradient(circle at 88% 30%, rgba(254, 215, 170, 0.4) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(243, 232, 255, 0.45) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.25s ease;
}

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 90px 0;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-btn);
  color: #ffffff !important;
  font-weight: 700;
  padding: 13px 30px;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(244, 63, 94, 0.32);
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(244, 63, 94, 0.45);
  color: #ffffff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #ffffff;
  color: var(--primary) !important;
  font-weight: 700;
  padding: 13px 30px;
  border-radius: var(--radius-full);
  border: 2px solid var(--border-color);
  box-shadow: 0 4px 14px rgba(251, 113, 133, 0.08);
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--bg-card-soft);
  border-color: var(--primary);
  color: var(--primary-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 247, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(251, 113, 133, 0.06);
  transition: all 0.3s ease;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 44px;
  height: 44px;
  filter: drop-shadow(0 4px 8px rgba(244, 63, 94, 0.25));
  transition: transform 0.3s ease;
}

.logo-link:hover .logo-img {
  transform: rotate(8deg) scale(1.08);
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: #ffe4e6;
  color: var(--primary);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

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

.nav-links a {
  color: var(--text-sub);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
}

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

.mobile-menu-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--primary);
  font-size: 1.4rem;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 78px;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 24px;
  z-index: 999;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.mobile-nav-drawer.active {
  display: block;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-links a {
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 170px;
  padding-bottom: 90px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1.5px solid var(--border-color);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 24px;
  box-shadow: 0 4px 15px rgba(251, 113, 133, 0.12);
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 24px;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-main);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-sub);
  max-width: 800px;
  margin: 0 auto 36px auto;
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

/* Dashboard Metrics Row */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-cute);
}

.metric-box {
  text-align: center;
  position: relative;
}

.metric-box:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: #fce7f3;
}

.metric-num {
  font-size: 2.3rem;
  font-weight: 900;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-sub);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  background: #ffe4e6;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.35;
  color: var(--text-main);
}

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

/* ==========================================================================
   Real-time Latency Monitor (猫爪节点实时测速)
   ========================================================================== */
.ping-card-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 38px;
  box-shadow: var(--shadow-cute);
}

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

.ping-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: #fff8f8;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
}

.ping-item:hover {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 6px 18px rgba(244, 63, 94, 0.12);
  transform: translateY(-2px);
}

.ping-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ping-flag {
  font-size: 1.9rem;
}

.ping-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
}

.ping-detail {
  font-size: 0.82rem;
  color: var(--text-sub);
}

.ping-badge {
  text-align: right;
  min-width: 80px;
}

.ping-val {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--emerald);
  font-family: monospace;
}

.ping-bar-bg {
  width: 70px;
  height: 5px;
  background: #e2e8f0;
  border-radius: 3px;
  margin-top: 6px;
  margin-left: auto;
  overflow: hidden;
}

.ping-bar-fill {
  height: 100%;
  background: var(--emerald);
  border-radius: 3px;
}

/* ==========================================================================
   Bento Grid (Core Advantages - 喵星优势)
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-card {
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 34px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-cute);
}

.bento-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-icon {
  font-size: 2.3rem;
  margin-bottom: 20px;
  display: inline-block;
}

.bento-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.bento-card p {
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   Pricing Matrix (小鱼干超值套餐)
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 38px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-cute);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  background: linear-gradient(180deg, #ffffff 0%, #fff7f7 100%);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-6px);
}

.popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(244, 63, 94, 0.35);
  white-space: nowrap;
}

.plan-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.plan-subtitle {
  font-size: 0.86rem;
  color: var(--text-sub);
  margin-bottom: 24px;
  min-height: 40px;
}

.plan-price-box {
  margin-bottom: 24px;
}

.plan-price {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--primary);
}

.plan-price span {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
}

.plan-features li {
  font-size: 0.88rem;
  color: var(--text-sub);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li svg {
  width: 17px;
  height: 17px;
  fill: var(--primary);
  flex-shrink: 0;
}

/* ==========================================================================
   Tutorial Step Cards (铲屎官极速上手)
   ========================================================================== */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tutorial-card {
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: transform 0.25s ease;
  box-shadow: var(--shadow-cute);
}

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

.tutorial-step-num {
  font-size: 2.4rem;
  font-weight: 900;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}

.tutorial-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.tutorial-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.tutorial-card p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ==========================================================================
   Testimonials (真实铲屎官评价)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-cute);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1.15rem;
  margin-bottom: 16px;
}

.testimonial-text {
  color: var(--text-sub);
  font-size: 0.94rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #ffffff;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(244, 63, 94, 0.25);
}

.user-name {
  font-weight: 800;
  color: var(--text-main);
  font-size: 0.98rem;
}

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

/* ==========================================================================
   FAQ Section (养猫常见问题)
   ========================================================================== */
.faq-wrapper {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.faq-item {
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-cute);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(244, 63, 94, 0.12);
}

.faq-question {
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  user-select: none;
}

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

.faq-icon {
  font-size: 0.9rem;
  color: var(--primary);
  transition: transform 0.25s ease;
}

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

.faq-answer {
  display: none;
  padding: 0 28px 24px 28px;
  color: var(--text-sub);
  font-size: 0.96rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   Articles Grid (专栏推荐)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-cute);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.article-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: #ffe4e6;
  color: var(--primary);
  margin-bottom: 14px;
}

.article-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 12px;
}

.article-card h3 a {
  color: var(--text-main);
}

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

.article-desc {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 20px;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

/* ==========================================================================
   Article Detail Page Header & Content
   ========================================================================== */
.article-page-header {
  padding-top: 150px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-light);
  background: radial-gradient(circle at 50% 0%, rgba(254, 205, 211, 0.5), transparent 65%);
}

.article-body-content {
  max-width: 860px;
  margin: 50px auto 90px auto;
  font-size: 1.05rem;
  line-height: 1.95;
  color: #334155;
}

.article-body-content h2 {
  font-size: 1.75rem;
  color: var(--text-main);
  margin: 40px 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-light);
}

.article-body-content h3 {
  font-size: 1.35rem;
  color: var(--primary);
  margin: 30px 0 15px 0;
}

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

.article-body-content ul, .article-body-content ol {
  margin: 0 0 24px 24px;
}

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

.article-body-content strong {
  color: var(--text-main);
}

.article-cta-box {
  background: linear-gradient(135deg, #fff1f2 0%, #fff7ed 100%);
  border: 2px solid var(--coral);
  border-radius: var(--radius-xl);
  padding: 38px;
  text-align: center;
  margin: 50px 0;
  box-shadow: var(--shadow-cute);
}

.article-cta-box h3 {
  font-size: 1.5rem;
  color: var(--text-main);
  margin-bottom: 12px;
}

.article-nav-links {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   Footer & PBN Weight Transfer Pipeline (核心任务 2)
   ========================================================================== */
.site-footer {
  background: #fff0f3;
  border-top: 1.5px solid var(--border-light);
  padding: 65px 0 35px 0;
  text-align: center;
  color: var(--text-sub);
  font-size: 0.92rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-desc {
  max-width: 640px;
  margin: 0 auto 24px auto;
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-copyright {
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* PBN Friendly Links Area (友情链接区) */
.pbn-links-area {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed rgba(244, 63, 94, 0.25);
  font-size: 0.84rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.pbn-links-title {
  color: #64748b;
  font-weight: 600;
}

.pbn-link-item {
  color: #64748b !important;
  text-decoration: none;
  font-size: 0.84rem;
  transition: color 0.2s ease;
}

.pbn-link-item:hover {
  color: var(--primary) !important;
  text-decoration: underline;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.7rem;
  }
  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .metric-box:not(:last-child)::after {
    display: none;
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.popular {
    transform: none;
  }
  .pricing-card.popular:hover {
    transform: translateY(-6px);
  }
  .tutorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-subtitle {
    font-size: 1.02rem;
  }
  .metrics-row {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .ping-grid {
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card.span-2 {
    grid-column: span 1;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .tutorial-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-nav-links {
    flex-direction: column;
    gap: 12px;
  }
}