/* ==========================================================================
   Clash 官方网站 - 版本选择器官网风样式表 (Version Selector Portal Style)
   ========================================================================== */

:root {
  --bg-dark: #080c14;
  --bg-card: #0f172a;
  --bg-card-hover: #1e293b;
  --bg-panel: #131d31;
  --bg-header: rgba(8, 12, 20, 0.92);
  --border: rgba(255, 255, 255, 0.08);
  --border-active: #38bdf8;
  --border-focus: rgba(56, 189, 248, 0.4);
  --primary: #0284c7;
  --primary-light: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.25);
  --accent-green: #10b981;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --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, "Liberation Mono", monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-w: 1200px;
  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-dark);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: 
    radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    var(--bg-dark);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Notice */
.release-announcement {
  background: #030712;
  border-bottom: 1px solid var(--border);
  padding: 0.45rem 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.release-announcement-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.version-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary-light);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--primary-light);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary-light);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  border-radius: var(--radius-sm);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.4);
}

.brand-logo .accent {
  color: var(--primary-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.2rem;
  position: relative;
}

.nav-item:hover,
.nav-item.active {
  color: #fff;
}

.nav-item.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-light);
  border-radius: 2px;
}

.nav-btn-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.15rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.08rem;
  border-radius: var(--radius-md);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  position: relative;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 1.25rem;
}

.hero-heading {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 1.25rem;
}

.gradient-title {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.hero-desc strong {
  color: #fff;
}

/* Interactive Version Picker Widget in Hero */
.version-picker-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
  transition: var(--transition);
}

.version-picker-card:hover {
  border-color: var(--border-focus);
}

.picker-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  background: #0b1120;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.picker-nav-tabs {
  display: flex;
  gap: 0.4rem;
  background: #080c14;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.picker-tab {
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.picker-tab.active,
.picker-tab:hover {
  background: var(--primary);
  color: #fff;
}

.picker-body {
  padding: 1.5rem;
}

.version-matrix-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.version-matrix-item:hover {
  background: rgba(56, 189, 248, 0.05);
  border-color: var(--primary-light);
}

.arch-name {
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.arch-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.arch-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--primary-light);
}

/* Endorsement Bar */
.endorsement-section {
  padding: 2.75rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.4);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: var(--transition);
}

.stat-box:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary-light);
  margin-bottom: 0.25rem;
}

.stat-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.2rem;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Section Common */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-light);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.2rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Capabilities Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.card-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: var(--transition);
}

.card-item:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1.35rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.card-body {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.card-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 0.85rem;
}

.pill {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Two Column Showcase */
.showcase-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.showcase-grid.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.showcase-content h3 {
  font-size: 1.85rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

.showcase-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 0.98rem;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.check-item svg {
  color: var(--primary-light);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Platform Support Cards */
.platforms-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.15rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  transition: var(--transition);
}

.platform-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.platform-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--border);
}

.platform-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

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

.platform-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--primary-light);
}

/* FAQ Layout */
.faq-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 1040px;
  margin: 0 auto;
}

.faq-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  transition: var(--transition);
}

.faq-box:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}

.faq-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-title .q-mark {
  color: var(--primary-light);
  font-weight: 800;
}

.faq-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Clean CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.35) 0%, rgba(30, 58, 138, 0.35) 100%);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-xl);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.cta-heading {
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}

.cta-subheading {
  font-size: 1.1rem;
  color: #cbd5e1;
  max-width: 640px;
  margin: 0 auto 2rem;
}

/* Inner Page Hero */
.inner-hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
}

.inner-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.inner-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 1.5rem;
}

/* Download Matrix Grid */
.download-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

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

.download-card.highlight {
  border-color: var(--primary-light);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
}

.card-top-tag {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  text-transform: uppercase;
}

.download-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.25rem;
}

.header-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1.35rem;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.header-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.specs-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.spec-name {
  color: var(--text-secondary);
}

.spec-value {
  color: #fff;
  font-weight: 600;
  font-family: var(--font-mono);
}

.btn-stacked {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* Steps Cards */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 920px;
  margin: 0 auto;
}

.step-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}

.step-item:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(2, 132, 199, 0.35);
}

.step-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.step-body p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.code-box {
  background: #06090f;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary-light);
  overflow-x: auto;
  margin-top: 0.75rem;
}

.media-container {
  margin-top: 1.25rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

/* Feature Table */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: #0b1120;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.comparison-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.text-highlight { color: var(--primary-light); font-weight: 600; }
.text-muted-flag { color: var(--text-muted); }

/* Footer */
.site-footer {
  margin-top: auto;
  background: #050811;
  border-top: 1px solid var(--border);
  padding: 4.5rem 0 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-info p {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.85rem;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

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

.footer-nav a {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--primary-light);
  transform: translateX(3px);
}

.footer-meta {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-tags {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms-row { grid-template-columns: repeat(3, 1fr); }
  .download-matrix { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #080c14;
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
  }
  .nav-links.active { display: flex; }
  .hero-heading { font-size: 2.35rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .platforms-row { grid-template-columns: repeat(2, 1fr); }
  .faq-container { grid-template-columns: 1fr; }
  .download-matrix { grid-template-columns: 1fr; }
  .showcase-grid, .showcase-grid.reverse { grid-template-columns: 1fr; gap: 2rem; }
  .step-item { grid-template-columns: 1fr; gap: 1rem; }
  .step-number { width: 48px; height: 48px; font-size: 1.25rem; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-meta { flex-direction: column; text-align: center; }
}