/* ==========================================================================
   一枝红杏网络加速器 - 极简科技主义 CSS
   Clean, Minimalist, Enterprise-Grade White Aesthetic
   ========================================================================== */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  
  --accent-color: #e11d48; /* 红杏赤红 */
  --accent-hover: #be123c;
  --accent-light: #fff1f2;
  --accent-glow: rgba(225, 29, 72, 0.15);
  
  --primary-blue: #2563eb;
  --primary-blue-hover: #1d4ed8;
  --primary-blue-light: #eff6ff;
  
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 20px 30px -10px rgba(225, 29, 72, 0.12), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Helpers */
.gradient-text {
  background: linear-gradient(135deg, #e11d48 0%, #9333ea 50%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--accent-light);
  color: var(--accent-color);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 48px auto;
}

.text-center {
  text-align: center;
}

/* Header & Navbar */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.03);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #e11d48, #be123c);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
  transition: var(--transition-fast);
}

.logo:hover .logo-icon {
  transform: rotate(-8deg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--accent-color);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #e11d48, #be123c);
  color: white;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #be123c, #9f1239);
  box-shadow: 0 6px 20px rgba(225, 29, 72, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: #e2e8f0;
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: var(--accent-light);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Floating Vertical Section Navigation (Right Side) */
.floating-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 990;
}

.floating-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.floating-btn:hover {
  background-color: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
  transform: scale(1.15);
  box-shadow: 0 6px 16px rgba(225, 29, 72, 0.35);
}

.floating-btn:active {
  transform: scale(0.95);
}

/* Hero Section */
.hero-section {
  padding-top: 140px;
  padding-bottom: 90px;
  background: radial-gradient(circle at 80% 20%, rgba(225, 29, 72, 0.04) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(37, 99, 235, 0.04) 0%, transparent 60%);
  border-bottom: 1px solid var(--border-color);
}

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

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  width: 100%;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Dynamic Hero Card (Visual Element) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.08) 0%, transparent 70%);
  animation: rotateGlow 12s linear infinite;
}

@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.card-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.signal-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #10b981;
}

.ping-display {
  font-family: monospace;
  font-weight: 700;
  background-color: var(--primary-blue-light);
  color: var(--primary-blue);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.nodes-network {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 2;
}

.node-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.node-row:hover {
  border-color: var(--accent-color);
  transform: translateX(4px);
  background-color: #ffffff;
}

.node-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.flag-icon {
  font-size: 1.25rem;
}

.node-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.node-type {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.speed-meter {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-color);
}

/* Core Advantages Section */
.features-section {
  padding: 90px 0;
  background-color: var(--bg-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

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

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background-color: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition-fast);
}

.feature-card:hover .feature-icon-wrapper {
  background-color: var(--accent-color);
  color: white;
  transform: scale(1.1) rotate(-5deg);
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.6;
}

/* Streaming & AI Support Section */
.ecosystem-section {
  padding: 90px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.eco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.eco-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition-fast);
}

.eco-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.eco-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.eco-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.eco-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Enterprise Pricing Section */
.pricing-section {
  padding: 90px 0;
  background-color: var(--bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
  position: relative;
}

.pricing-card.popular {
  border: 2px solid var(--accent-color);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #e11d48, #be123c);
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.pricing-header {
  margin-bottom: 24px;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-price {
  margin: 20px 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-color);
}

.price-value {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
}

.price-period {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li svg {
  color: #10b981;
  flex-shrink: 0;
}

/* SEO Articles Section (Cards Below Pricing) */
.seo-articles-section {
  padding: 90px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-fast);
}

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

.article-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-color);
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.article-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text-main);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;

  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.article-read-btn {
  color: var(--accent-color);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}

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

/* User Reviews / Testimonials */
.reviews-section {
  padding: 90px 0;
  background-color: var(--bg-primary);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: #f59e0b;
  margin-bottom: 16px;
  display: flex;
  gap: 4px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--accent-color);
  font-size: 1rem;
}

.user-name {
  font-weight: 700;
  font-size: 0.95rem;
}

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

/* FAQ Section */
.faq-section {
  padding: 90px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
}

.faq-question svg {
  transition: transform var(--transition-fast);
  color: var(--text-muted);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.3s ease-in-out;
  padding: 0 24px 20px 24px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Modal Popup System for Footer Content */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: translateY(20px);
  transition: var(--transition-fast);
}

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

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.25rem;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--accent-color);
  color: white;
}

.modal-body h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text-main);
  border-bottom: 2px solid var(--accent-light);
  padding-bottom: 12px;
}

.modal-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 20px 0 10px 0;
  color: var(--accent-color);
}

.modal-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.modal-body ul {
  margin: 10px 0 16px 20px;
  color: var(--text-muted);
}

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

/* Footer & PBN Links */
.footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 70px 0 40px 0;
  border-top: 1px solid #1e293b;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid #1e293b;
}

.footer-col h4 {
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.footer-col h4:hover {
  color: var(--accent-color);
}

.footer-col p {
  font-size: 0.875rem;
  line-height: 1.6;
}

.pbn-container {
  text-align: center;
  padding: 24px;
  background: rgba(30, 41, 59, 0.5);
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  border: 1px solid #334155;
}

.pbn-title {
  color: #cbd5e1;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.pbn-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

.pbn-link {
  color: #38bdf8;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: underline;
  transition: var(--transition-fast);
}

.pbn-link:hover {
  color: #7dd3fc;
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* ==========================================================================
   Responsive Media Queries (Mobile First & Mobile Optimization)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .features-grid,
  .articles-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .eco-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header {
    height: 70px;
  }
  
  .nav-menu {
    display: none; /* Hide standard menu on mobile for minimalism */
  }

  .floating-nav {
    right: 12px;
  }
  
  .floating-btn {
    width: 38px;
    height: 38px;
  }

  .hero-section {
    padding-top: 110px;
    padding-bottom: 60px;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    gap: 16px;
    justify-content: space-between;
  }

  .features-grid,
  .articles-grid,
  .reviews-grid,
  .pricing-grid,
  .eco-grid,
  .footer-nav-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.popular {
    transform: none;
  }

  .pbn-links {
    flex-direction: column;
    gap: 12px;
  }

  .modal-container {
    padding: 24px;
    max-height: 90vh;
  }
}