/* Intishell 官网 - 克制但有质感的配色 */
:root {
  --bg-primary: #0f0e14;
  --bg-surface: #18161f;
  --bg-card: #1e1c28;
  --border: #2e2b3a;
  --border-subtle: #25232e;
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  /* 青绿色主色 - 有活力但不花哨 */
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --accent-dim: rgba(45, 212, 191, 0.14);
  --accent-glow: rgba(45, 212, 191, 0.12);
  --accent-strong: rgba(45, 212, 191, 0.25);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-3xl: 28px;
  --glass: rgba(15, 14, 20, 0.88);
  --glass-border: rgba(45, 212, 191, 0.18);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 32px rgba(45, 212, 191, 0.08);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}


@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--accent-hover);
}

/* Header - Stitch 玻璃顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}

.nav-drawer {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
  z-index: 102;
}
.nav-toggle:hover {
  background: var(--accent-dim);
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  transition: opacity 0.2s ease;
}
.logo-wrap:hover {
  opacity: 0.9;
}
.logo-img {
  height: 56px;
  width: auto;
  display: block;
}
.logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.lang-toggle:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-header {
  padding: 10px 20px;
  font-size: 0.9375rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav a:hover {
  color: var(--accent);
}

/* Material Symbols */
.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  vertical-align: middle;
}

/* Hero - Stitch 风格：径向光晕 + 双 CTA + 终端预览 */
.hero {
  padding: 88px 24px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse 70% 40% at 50% 0%, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  padding-bottom: 56px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding: 8px 16px;
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  background: var(--accent-dim);
}

.hero-badge-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-badge-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-subtle 2s ease-in-out infinite;
  opacity: 0.4;
}

@keyframes pulse-subtle {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.8); opacity: 0; }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-title-accent {
  background: linear-gradient(135deg, #2dd4bf 0%, #5eead4 50%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 0;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-hero .material-symbols-outlined {
  font-size: 1.25rem;
}

.hero-terminal-wrap {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  box-sizing: border-box;
  color: var(--bg-primary);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg-primary);
  box-shadow: var(--shadow-hover);
}

.btn-ghost {
  background: rgba(22, 27, 34, 0.6);
  color: var(--text-primary);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.hero-platforms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.platform-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}

.platform-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Section backgrounds */
.section-features {
  background: linear-gradient(180deg, transparent 0%, var(--bg-surface) 30%, var(--bg-surface) 100%);
}

.section-pricing {
  background: var(--accent-dim);
}

.section-contact {
  background: var(--accent-dim);
}
/* 玻璃卡片 + 悬停高光 */
.glass {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

.glow-border:hover {
  border-color: var(--accent-strong);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* Demo section */
.section-demo {
  padding: 80px 24px 96px;
}

.demo-terminal-standalone {
  max-width: 960px;
  margin: 0 auto;
}

.demo-terminal {
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  overflow: hidden;
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(45, 212, 191, 0.06);
}

.demo-terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.demo-terminal-dots {
  display: flex;
  gap: 6px;
}

.demo-terminal-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.demo-terminal-dots span:nth-child(1) { background: rgba(248, 113, 113, 0.25); border: 1px solid rgba(248, 113, 113, 0.4); }
.demo-terminal-dots span:nth-child(2) { background: rgba(251, 191, 36, 0.25); border: 1px solid rgba(251, 191, 36, 0.4); }
.demo-terminal-dots span:nth-child(3) { background: rgba(74, 222, 128, 0.25); border: 1px solid rgba(74, 222, 128, 0.4); }

.demo-terminal-title {
  flex: 1;
  text-align: center;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.demo-placeholder {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-primary);
}

/* 操作示范 GIF */
.demo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Sections */
.section {
  padding: 96px 24px;
 
  margin: 0 auto;
}
.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.2;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 0;
}

.feature-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 28px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--accent-strong);
  box-shadow: 0 0 20px var(--accent-glow);
}

.feature-icon {
  font-size: 1.5rem;
  line-height: 1;
  margin: 0;
  color: var(--accent);
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border-radius: var(--radius-xl);
  background: var(--accent-dim);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.feature-desc code {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
  padding: 2px 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  color: var(--accent);
  border: 1px solid var(--border-subtle);
}

/* Why section */
.section-why {
  background: var(--bg-surface);
}

.section-why-inner {
  max-width: 640px;
  margin: 0 auto;
}

.why-content {
  max-width: 100%;
}

.section-title-left {
  text-align: left;
  margin-bottom: 36px;
}

.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.why-list li:last-child {
  border-bottom: none;
}

.why-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
}

.why-check .material-symbols-outlined {
  font-size: 1rem;
  font-weight: 700;
}

.why-item-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.why-item-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.55;
}

/* Pricing - 玻璃卡片 + 推荐高光 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 48px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 28px;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.pricing-card:hover {
  border-color: var(--accent-strong);
  box-shadow: 0 0 20px var(--accent-glow);
}

.pricing-card-pro {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-dim) 0%, var(--glass) 100%);
  box-shadow: 0 0 24px var(--accent-glow);
}

.pricing-card-enterprise {
  background: var(--accent-dim);
  border-color: var(--glass-border);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 4px 12px;
  border-radius: 9999px;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary) !important;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-secondary) !important;
  margin-bottom: 16px;
}

.pricing-price {
  margin-bottom: 8px;
}

.pricing-amount {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}

.pricing-period {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.pricing-year {
  font-size: 0.8125rem;
  color: var(--text-muted) !important;
  margin-bottom: 16px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
  flex: 1;
}

.pricing-features li {
  font-size: 0.9375rem;
  color: var(--text-secondary) !important;
  padding: 6px 0;
  padding-left: 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-features li span:last-child {
  flex: 1;
  min-width: 0;
  line-height: 1.4;
}

.pricing-done {
  color: var(--accent);
  font-size: 1rem !important;
  flex-shrink: 0;
}

.pricing-features li::before {
  display: none;
}

.pricing-btn {
  width: 100%;
  margin-top: auto;
  flex-shrink: 0;
}

@media (min-width: 640px) and (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Contact section */
.contact-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 56px 48px;
  border-radius: var(--radius-3xl);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
}

.contact-email {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  transition: color 0.2s ease;
}

.contact-email:hover {
  color: var(--accent-hover);
}

.contact-hint {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  border-radius: var(--radius-xl);
  font-size: 1.0625rem;
  font-weight: 700;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.contact-cta:hover {
  background: var(--accent-hover);
  color: var(--bg-primary);
  box-shadow: var(--shadow-hover);
}

/* Download - 玻璃卡片 + 按钮组 */
.section-download .download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 720px;
  margin: 0 auto 24px;
}

/* 六个简单下载按钮 */
.download-grid-six {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 24px;
}

.download-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.25s ease;
  min-height: 140px;
}

/* 可下载项：按钮样式 */
a.download-item-btn {
  background: var(--accent-dim);
  border-color: var(--accent);
}

a.download-item-btn:hover {
  background: var(--accent-strong);
  border-color: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
  color: var(--text-primary);
}

.download-item-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
}

a.download-item-btn:hover .download-item-action {
  color: var(--accent-hover);
}

.download-item-arrow {
  font-size: 1.125rem !important;
}

.download-item-icon {
  font-size: 2.5rem !important;
  color: var(--accent);
  margin-bottom: 12px;
}

.download-item-name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.download-item-coming {
  cursor: default;
  opacity: 0.85;
}

.download-item-coming .download-item-icon {
  color: var(--text-muted);
}

.download-item-badge {
  margin-top: 10px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .download-grid-six {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pricing-btn-enterprise {
  border-color: var(--glass-border);
  background: var(--accent-dim);
  color: var(--accent);
}

.pricing-btn-enterprise:hover {
  background: var(--accent-strong);
  color: var(--accent-hover);
}

.download-arch,
.download-format {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.download-note {
  font-size: 0.9375rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.65;
}

.download-note a {
  text-decoration: underline;
}

/* Demo standalone section */
.section-demo .demo-terminal-standalone {
  margin-top: 0;
}

/* CTA */
.cta {
  padding-top: 56px;
  padding-bottom: 100px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-sponsor {
  min-width: 130px;
}

/* Footer - Stitch 底栏 */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 32px 24px;
  background: var(--bg-primary);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  height: 32px;
  width: auto;
}

.footer-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  order: 3;
  width: 100%;
  text-align: center;
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
}

.footer-links a {
  color: var(--text-muted);
  padding: 4px 8px;
  transition: color 0.2s ease;
}

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

/* 滚动进入视口时触发动画（可选，需 JS） */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 80px 24px 32px;
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-left: 1px solid var(--glass-border);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
    z-index: 99;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }
  .site-header.nav-open .nav-drawer {
    transform: translateX(0);
  }
  .nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 24px;
  }
  .nav a {
    padding: 14px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav a:last-child {
    border-bottom: none;
  }
  .header-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .header-actions .btn-header {
    justify-content: center;
    padding: 14px 20px;
  }
  .nav-overlay {
    display: block;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .site-header.nav-open .nav-overlay {
    pointer-events: auto;
    opacity: 1;
  }
  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 64px 20px 0;
  }
  .hero-inner {
    padding-bottom: 40px;
  }
  .hero-badge {
    font-size: 0.7rem;
    padding: 6px 12px;
  }
  .hero-terminal-wrap {
    padding: 0 16px 64px;
  }
  .section {
    padding: 64px 20px;
  }
  .section-desc {
    margin-bottom: 40px;
  }
  .demo-terminal {
    border-radius: var(--radius-xl);
  }
  .demo-placeholder {
    aspect-ratio: 16 / 10;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 32px;
  }
  .logo-img {
    height: 40px;
  }
  .logo-name {
    font-size: 1.0625rem;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  .footer-copy {
    order: 3;
  }
  .contact-box {
    padding: 40px 24px;
    border-radius: var(--radius-2xl);
  }
  .contact-email {
    font-size: 1.125rem;
    word-break: break-all;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .download-grid {
    grid-template-columns: 1fr;
  }
}