/* ----------------------------------------------------
   一云梯机场 (YiYunTi Airport) - Design System & Modern Styles
   Theme: Vibrant High-Saturation Entertainment / Streaming & Beginner-Friendly
   ---------------------------------------------------- */

:root {
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bg-dark: #0B0F19;
  --bg-card: rgba(22, 27, 46, 0.7);
  --bg-card-hover: rgba(30, 38, 64, 0.85);
  --border-light: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(236, 72, 153, 0.4);
  
  /* Vibrant Saturation Gradient Colors */
  --primary-purple: #8B5CF6;
  --primary-pink: #EC4899;
  --primary-cyan: #06B6D4;
  --accent-yellow: #F59E0B;
  --accent-green: #10B981;
  --gradient-hero: linear-gradient(135deg, #EC4899 0%, #8B5CF6 50%, #06B6D4 100%);
  --gradient-btn: linear-gradient(135deg, #FF416C 0%, #FF4B2B 100%);
  --gradient-glow: linear-gradient(90deg, #EC4899, #8B5CF6, #06B6D4);
  --gradient-text: linear-gradient(135deg, #FF6B6B, #FFE600, #4DEEEA);

  --text-white: #FFFFFF;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 10px 30px -10px rgba(236, 72, 153, 0.5);
}

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

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

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ---------------- Dynamic Background ---------------- */
.dynamic-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(circle at 50% 20%, #150D2A 0%, #0B0F19 100%);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-1 {
  top: -10%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #EC4899 0%, rgba(236, 72, 153, 0) 70%);
}

.orb-2 {
  top: 40%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8B5CF6 0%, rgba(139, 92, 246, 0) 70%);
  animation-delay: -5s;
}

.orb-3 {
  bottom: -10%;
  left: 30%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #06B6D4 0%, rgba(6, 182, 212, 0) 70%);
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.15); }
  100% { transform: translate(-30px, 30px) scale(0.95); }
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* ---------------- Layout & Utility ---------------- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.text-gradient {
  background: linear-gradient(135deg, #FF6B95 0%, #FF9F43 50%, #4DEEEA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(236, 72, 153, 0.15);
  border: 1px solid rgba(236, 72, 153, 0.35);
  color: #FF75B5;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.badge-pill .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #EC4899;
  box-shadow: 0 0 10px #EC4899;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px auto;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
}

/* ---------------- Header Navigation ---------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(11, 15, 25, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-white);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #EC4899, #8B5CF6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-white);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-hero);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, #FF416C 0%, #8B5CF6 100%);
  color: #FFF;
  box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(236, 72, 153, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

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

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: 54px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

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

/* Streaming Platforms Marquee / Wall */
.streaming-wall {
  margin-top: 50px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(12px);
}

.streaming-title {
  font-size: 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.logo-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px 45px;
}

.platform-card {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

.platform-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(236, 72, 153, 0.5);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.platform-icon {
  font-size: 24px;
}

/* ---------------- Core Features Grid ---------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-hero);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(236, 72, 153, 0.4);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(236, 72, 153, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 24px;
}

.feature-card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card-desc {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* Multi-device APP Showcase Banner */
.showcase-banner {
  margin-top: 60px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(236, 72, 153, 0.2));
  border: 1px solid rgba(236, 72, 153, 0.3);
  border-radius: var(--radius-lg);
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.showcase-text h3 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
}

.showcase-text p {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 24px;
}

.device-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.device-tag {
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.app-mockup {
  background: #111625;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  position: relative;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 14px;
  margin-bottom: 20px;
}

.mockup-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.mockup-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.connect-status-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2));
  border: 1px solid #10B981;
  border-radius: 14px;
  padding: 18px;
  text-align: center;
}

.connect-status-box .status-text {
  font-size: 18px;
  font-weight: 800;
  color: #10B981;
  margin-bottom: 4px;
}

.connect-status-box .speed-text {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------------- Node Status & Latency ---------------- */
.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(12px);
}

.status-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.status-live-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #10B981;
  font-weight: 600;
}

.nodes-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.nodes-table th, .nodes-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nodes-table th {
  color: var(--text-dim);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.node-name-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.flag-icon {
  font-size: 20px;
}

.ping-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
}

.ping-fast {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-online {
  color: #34D399;
  font-weight: 600;
}

/* ---------------- Pricing Plans ---------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.popular {
  border-color: #EC4899;
  background: rgba(30, 22, 50, 0.85);
  box-shadow: 0 15px 40px rgba(236, 72, 153, 0.25);
  transform: scale(1.03);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-btn);
  color: #FFF;
  font-size: 13px;
  font-weight: 800;
  padding: 4px 18px;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
}

.plan-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
}

.plan-price {
  font-size: 44px;
  font-weight: 900;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.plan-price span {
  font-size: 16px;
  color: var(--text-dim);
  font-weight: 500;
}

.plan-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 30px;
}

.plan-features {
  list-style: none;
  margin-bottom: 36px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  margin-bottom: 14px;
  color: var(--text-muted);
}

.plan-features li .check {
  color: #EC4899;
  font-weight: 800;
}

/* ---------------- Testimonials ---------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.stars {
  color: #F59E0B;
  margin-bottom: 16px;
  font-size: 18px;
}

.review-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}

.user-name {
  font-weight: 700;
  font-size: 16px;
}

.user-tag {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------------- FAQ Section ---------------- */
.faq-accordion {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-question {
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 18px;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-icon {
  font-size: 20px;
  transition: transform 0.3s ease;
  color: #EC4899;
}

.faq-item.active .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 28px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
  transition: max-height 0.35s ease-in-out;
}

/* ---------------- SEO Knowledge Base & Tutorials ---------------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: rgba(236, 72, 153, 0.5);
  box-shadow: var(--shadow-glow);
}

.article-category {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  color: #EC4899;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.article-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.article-excerpt {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-read-more {
  font-size: 14px;
  font-weight: 700;
  color: #06B6D4;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---------------- Modal Window for Articles ---------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: #111625;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-backdrop.active .modal-container {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-white);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(236, 72, 153, 0.4);
}

.modal-body {
  line-height: 1.8;
  color: #D1D5DB;
}

.modal-body h2 {
  font-size: 26px;
  color: #FFF;
  margin-bottom: 16px;
}

.modal-body h3 {
  font-size: 20px;
  color: #FF75B5;
  margin: 24px 0 12px 0;
}

.modal-body p {
  margin-bottom: 16px;
}

.modal-body ul {
  margin-bottom: 20px;
  padding-left: 24px;
}

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

/* ---------------- Footer ---------------- */
.footer {
  border-top: 1px solid var(--border-light);
  padding: 60px 0 40px 0;
  background: rgba(7, 10, 18, 0.9);
}

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

.footer-brand p {
  color: var(--text-dim);
  font-size: 14px;
  margin-top: 14px;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--text-white);
}

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

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: #EC4899;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tag-item {
  font-size: 12px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  color: var(--text-dim);
  font-size: 14px;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 992px) {
  .hero-title { font-size: 40px; }
  .showcase-banner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .pricing-card.popular { transform: none; }
}