/* ==========================================================================
   三月七机场 (syq.mom) - 全局样式表
   Design System: Dark Tech Glassmorphism, Neon Cyan & Purple Accents
   ========================================================================== */

:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(26, 35, 56, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(45, 212, 191, 0.4);
  
  --primary: #2dd4bf;      /* Teal / Cyan from screenshot */
  --primary-hover: #14b8a6;
  --primary-glow: rgba(45, 212, 191, 0.25);
  
  --secondary: #818cf8;    /* Indigo */
  --accent: #ec4899;       /* Pink accent */
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  white-space: nowrap;
}

.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 0 12px var(--primary-glow);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.mobile-menu-cta {
  display: none !important;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

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

.btn-cta {
  background: linear-gradient(135deg, var(--primary), #06b6d4);
  color: #042f2e;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  text-decoration: none;
  box-shadow: 0 4px 14px var(--primary-glow);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 212, 191, 0.4);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 5rem 1.5rem 6rem;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(45, 212, 191, 0.15), transparent 70%),
              radial-gradient(circle at 80% 60%, rgba(129, 140, 248, 0.1), transparent 50%);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%230b0f19' fill-opacity='1' d='M0,192L48,176C96,160,192,128,288,138.7C384,149,480,203,576,208C672,213,768,171,864,160C960,149,1056,171,1152,176C1248,181,1344,171,1392,165.3L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom/cover;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: var(--primary);
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  max-width: 100%;
  line-height: 1.4;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 30%, #a5f3fc 70%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

/* Download Buttons Grid */
.download-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  max-width: 960px;
  margin: 0 auto;
}

.btn-download {
  background: var(--primary);
  color: #042f2e;
  font-weight: 700;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  box-shadow: 0 4px 15px rgba(45, 212, 191, 0.3);
  transition: var(--transition);
}

.btn-download:hover {
  background: #22d3ee;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(34, 211, 238, 0.45);
}

/* Features Highlight Section */
.features-section {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  background: rgba(45, 212, 191, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.75rem;
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Pricing Section */
.pricing-section {
  padding: 5rem 1.5rem;
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.6), transparent);
}

.pricing-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: 0 0 25px rgba(45, 212, 191, 0.2);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--primary);
  color: #042f2e;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
}

.pricing-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.5rem;
}

.pricing-price span {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  padding: 0.6rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.pricing-features li svg {
  color: var(--primary);
  flex-shrink: 0;
}

.btn-price {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  text-align: center;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.pricing-card.popular .btn-price, .btn-price:hover {
  background: var(--primary);
  color: #042f2e;
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* Articles Grid Section */
.articles-section {
  padding: 5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

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

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
}

.article-tag {
  background: rgba(45, 212, 191, 0.12);
  color: var(--primary);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  color: #fff;
}

.article-excerpt {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-readmore {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Reviews / Testimonials Section */
.reviews-section {
  padding: 5rem 1.5rem;
  background: rgba(15, 23, 42, 0.4);
}

.reviews-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.review-user-info h4 {
  font-size: 1rem;
  color: #fff;
}

.review-user-info p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.review-stars {
  color: #f59e0b;
  font-size: 0.9rem;
}

.review-content {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* FAQ Accordion Section */
.faq-section {
  padding: 5rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

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

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  background: rgba(0, 0, 0, 0.2);
}

.faq-answer-inner {
  padding: 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Footer Section - PBN Link Integration */
footer {
  margin-top: auto;
  background: #070a11;
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Low-key discreet PBN Friendship Links area */
.pbn-links-area {
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.pbn-links-area a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Article Detail Layout */
.article-page {
  max-width: 1000px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.article-header-block {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.article-header-block h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: #fff;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #d1d5db;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary);
  margin: 1.75rem 0 0.75rem;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.75rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-callout {
  background: rgba(45, 212, 191, 0.08);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}

.cta-box {
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.15), rgba(129, 140, 248, 0.15));
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  margin: 3rem 0;
}

.cta-box h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.cta-box p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Responsive Table Styles (Prevents Horizontal Overflow) */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
  background: var(--bg-card);
}

th, td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: rgba(45, 212, 191, 0.1);
  color: var(--primary);
  font-weight: 600;
  white-space: nowrap;
}

td {
  color: var(--text-muted);
}

tr:last-child td {
  border-bottom: none;
}

/* Mobile Hamburger Menu Toggle Button */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.5rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  min-width: 44px;
  min-height: 44px;
}

.menu-toggle:hover, .menu-toggle:focus {
  border-color: var(--primary);
  color: var(--primary);
}

/* Download Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-content {
  background: #111827;
  border: 1px solid rgba(45, 212, 191, 0.3);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px var(--primary-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  max-height: 90dvh;
  overflow-y: auto;
  position: relative;
  padding: 2rem 1.75rem;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
  min-width: 44px;
  min-height: 44px;
}

.modal-close:hover, .modal-close:focus {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.modal-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-platforms {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.modal-platform-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition);
  min-height: 44px;
}

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

.modal-platform-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.modal-platform-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(45, 212, 191, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.modal-platform-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.modal-platform-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.modal-platform-action {
  background: var(--primary);
  color: #042f2e;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}

.modal-footer {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.modal-footer a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.88rem;
}

.modal-footer a:hover {
  text-decoration: underline;
}

/* Download Center Specific Styles */
.download-page-header {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.download-page-header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 30%, #a5f3fc 70%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.download-page-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.platforms-container {
  max-width: 1000px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.platform-download-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.platform-download-box:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.platform-download-box .platform-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(45, 212, 191, 0.15);
  color: var(--primary);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.platform-download-box h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.platform-download-box .platform-summary {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.platform-specs {
  list-style: none;
  margin-bottom: 2rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.platform-specs li {
  font-size: 0.88rem;
  color: var(--text-dim);
  padding: 0.4rem 0;
  display: flex;
  justify-content: space-between;
}

.platform-specs li span:last-child {
  color: var(--text-main);
  font-weight: 500;
}

.steps-section {
  max-width: 900px;
  margin: 0 auto 5rem;
  padding: 0 1.5rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #042f2e;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

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

/* Comprehensive Mobile-First Responsive Breakpoints */
@media (max-width: 992px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(11, 15, 25, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem 1.5rem 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-link {
    font-size: 1.05rem;
    padding: 0.5rem 0;
    width: 100%;
  }

  .nav-container .btn-cta {
    display: none;
  }

  .nav-links .mobile-menu-cta {
    display: inline-flex !important;
    width: 100%;
    justify-content: center;
    margin-top: 0.75rem;
  }

  .hero {
    padding: 3.5rem 1rem 4.5rem;
  }

  .download-grid {
    flex-direction: column;
    width: 100%;
  }

  .btn-download {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .article-page {
    margin: 1.5rem auto;
    padding: 0 1rem;
  }

  .article-body {
    font-size: 1rem;
    line-height: 1.75;
  }

  .cta-box {
    padding: 1.75rem 1.25rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0.75rem 1rem;
  }

  .brand {
    font-size: 1.1rem;
    gap: 0.5rem;
  }

  .brand-logo {
    width: 32px;
    height: 32px;
  }

  .hero {
    padding: 2.5rem 0.85rem 3.5rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    white-space: normal;
    word-break: break-word;
    margin-bottom: 1rem;
  }

  .hero-title {
    font-size: 1.65rem;
    line-height: 1.3;
    margin-bottom: 1rem;
    word-break: break-word;
  }

  .hero-subtitle {
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 2rem;
  }

  .btn-cta, .btn-price, .btn-download {
    min-height: 44px;
    font-size: 0.95rem;
  }

  .modal-content {
    padding: 1.5rem 1.25rem;
  }

  .modal-platform-card {
    padding: 0.85rem 1rem;
  }
}

@media (max-width: 360px) {
  .hero-title {
    font-size: 1.45rem;
  }

  .hero-badge {
    font-size: 0.7rem;
  }

  .btn-download {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
}