/* ============================================
   LAYOUT — asc CLI Landing Page
   ============================================ */

/* ---- Navigation ---- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(8, 7, 13, 0.7);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.5s var(--ease-out-expo);
  transform: translateY(-100%);
  opacity: 0;
}
.site-nav.is-loaded { transform: translateY(0); opacity: 1; }
.site-nav.scrolled {
  background: rgba(8, 7, 13, 0.95);
  padding: 14px 40px;
  box-shadow: var(--shadow-md);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform var(--transition-normal);
}
.nav-logo:hover { transform: scale(1.02); }
.nav-logo-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
  flex-shrink: 0;
}
.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.nav-logo:hover .nav-logo-icon {
  box-shadow: 0 6px 30px var(--color-accent-glow);
  transform: rotate(-5deg);
}
.nav-logo-text {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.nav-logo-text .nav-logo-suffix {
  color: var(--color-text-tertiary);
  font-weight: 400;
}
.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav-links a {
  color: var(--color-text-secondary);
  font-size: 14px;
  position: relative;
  transition: color var(--transition-normal);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; width: 100%; height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out-expo);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 11px 22px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--color-accent);
  color: #000;
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 35px var(--color-accent-glow);
}
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}
.btn-github {
  background: rgba(255,255,255,0.06);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 14px;
}
.btn-github:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

/* ---- Install Command Box ---- */
.install-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--color-bg-terminal);
  border: 1px solid rgba(var(--color-accent-rgb), 0.2);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 15px;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.install-box::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--color-accent-dim), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.install-box:hover { border-color: rgba(var(--color-accent-rgb), 0.4); }
.install-box:hover::before { opacity: 1; }
.install-box .prompt { color: var(--color-accent); user-select: none; }
.install-box .cmd { color: var(--color-text); }
.install-box .copy-btn {
  margin-left: auto;
  padding: 4px 10px;
  background: rgba(var(--color-accent-rgb), 0.15);
  border: 1px solid rgba(var(--color-accent-rgb), 0.25);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-size: 12px;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.install-box .copy-btn:hover { background: rgba(var(--color-accent-rgb), 0.25); }
.install-box .copy-btn.copied { color: var(--color-accent); }
.install-box.install-box--secondary {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}
.install-box.install-box--secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-border-hover);
  color: var(--color-text);
  transform: translateY(-2px);
}
.install-box.install-box--secondary::before { display: none; }
.install-box.install-box--secondary .prompt { color: var(--color-text-secondary); }
.install-box.install-box--secondary .cmd { color: var(--color-text-secondary); }
.install-box.install-box--secondary:hover .cmd { color: var(--color-text); }
.install-box.install-box--secondary .copy-btn {
  background: rgba(255,255,255,0.06);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}
.install-box.install-box--secondary .copy-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text);
}

/* ---- Sections ---- */
.section {
  padding: 140px 40px;
  position: relative;
}
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 80px;
}
.section-eyebrow {
  display: inline-block;
  padding: 5px 12px;
  background: var(--color-accent-dim);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  font-family: var(--font-mono);
}
.section-title {
  font-size: clamp(34px, 4vw, 50px);
  margin-bottom: 20px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 40px 80px;
  position: relative;
  overflow: hidden;
}
.hero-content {
  max-width: 1400px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 14px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(var(--color-accent-rgb), 0.2);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
  font-family: var(--font-mono);
}
.hero-title {
  font-size: clamp(44px, 5.5vw, 76px);
  margin-bottom: 28px;
}
.hero-title em {
  font-style: italic;
  color: var(--color-accent);
}
.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}
.hero-action-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: 56px;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}
.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  color: var(--color-accent);
}
.hero-stat-label {
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
  font-family: var(--font-mono);
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ---- Terminal Window ---- */
.terminal-window {
  width: 100%;
  max-width: 600px;
  background: var(--color-bg-terminal);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-terminal);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
}
.terminal-titlebar {
  padding: 14px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 8px;
}
.terminal-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title {
  margin-left: 8px;
  font-size: 12px;
  color: var(--color-text-tertiary);
  flex: 1;
  text-align: center;
}
.terminal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 320px;
}
.t-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1.8;
  flex-wrap: nowrap;
  overflow: hidden;
}
.t-prompt { color: var(--color-term-prompt); user-select: none; }
.t-cmd { color: var(--color-term-cmd); }
.t-dim { color: var(--color-term-output); }
.t-success { color: var(--color-term-success); }
.t-key { color: var(--color-term-key); }
.t-val { color: var(--color-term-value); }
.t-str { color: var(--color-term-string); }
.t-blank { height: 8px; }
.t-indent { padding-left: 20px; }
.t-cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--color-accent);
  vertical-align: middle;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ---- Feature Grid ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}
.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.5s var(--ease-out-expo);
  position: relative;
}
.feature-card::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%), rgba(var(--color-accent-rgb),0.05), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.feature-card:hover { border-color: var(--color-border-hover); transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-card:hover::after { opacity: 1; }
.feature-card-preview {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 220px;
}
.feature-card-content { padding: 0 28px 32px; }
.feature-card-title { font-family: var(--font-display); font-size: 22px; margin-bottom: 12px; }
.feature-card-description { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }

/* Code snippet in feature card */
.code-snippet {
  width: 100%;
  background: var(--color-bg-terminal);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
}

/* Output format tabs (feature card tabs) */
.format-tabs {
  display: flex;
  gap: 6px;
  padding: 10px 14px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.format-tab-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.13);
  color: rgba(255,255,255,0.4);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 4px;
  cursor: pointer;
  line-height: 1.7;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.format-tab-btn:hover {
  border-color: rgba(255,255,255,0.28);
  color: rgba(255,255,255,0.72);
}
.format-tab-btn.active {
  background: rgba(0, 255, 136, 0.1);
  border-color: rgba(0, 255, 136, 0.38);
  color: #00ff88;
}
.format-tab-content {
  padding: 12px 14px 10px;
}

/* ---- Steps ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}
.step-card {
  background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  transition: all 0.5s var(--ease-out-expo);
  overflow: hidden;
}
.step-card::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%), rgba(var(--color-accent-rgb),0.05), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.step-card:hover { border-color: rgba(var(--color-accent-rgb), 0.25); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-card:hover::after { opacity: 1; }
.step-number {
  width: 32px; height: 32px;
  background: var(--color-accent-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 20px;
}
.step-preview { margin-bottom: var(--space-lg); }
.step-title { font-family: var(--font-display); font-size: 20px; margin-bottom: 12px; }
.step-description { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; }

/* ---- Skills ---- */
.skills-section { position: relative; }
.skills-install-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}
.skills-install-tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 12px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.skills-tab {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 6px 16px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.skills-tab:hover { color: var(--color-text); }
.skills-tab.active {
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent);
}
.skills-install-cmd {
  display: flex;
  justify-content: center;
  width: 100%;
  max-width: 520px;
}
.skills-install-cmd .install-box {
  width: 100%;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 960px;
  margin: 0 auto var(--space-xl);
}
.skill-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.skill-card::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 0%, rgba(var(--color-accent-rgb), 0.06) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.skill-card:hover { border-color: rgba(var(--color-accent-rgb), 0.25); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.skill-card:hover::after { opacity: 1; }
.skill-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(var(--color-accent-rgb), 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  color: var(--color-accent);
}
.skill-name {
  font-family: var(--font-mono);
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--color-text);
}
.skill-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.skills-count {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* ---- CTA ---- */
.cta { padding: 120px 40px; text-align: center; }
.cta-card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  width: 600px; height: 600px;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(var(--color-accent-rgb),0.08) 0%, transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}
.cta-title {
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 2;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
  margin-top: 8px;
}

/* ---- Footer ---- */
.site-footer {
  padding: 80px 40px 40px;
  border-top: 1px solid var(--color-border);
}
.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
}
.footer-brand { max-width: 260px; }
.footer-description { font-size: 14px; color: var(--color-text-tertiary); line-height: 1.7; margin-top: 16px; }
.footer-column h4 {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
  font-family: var(--font-mono);
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: var(--color-text-tertiary);
  font-size: 14px;
  transition: color var(--transition-normal), transform var(--transition-normal);
  display: inline-block;
}
.footer-links a:hover { color: var(--color-text); transform: translateX(4px); }
.footer-bottom {
  max-width: 1100px;
  margin: 50px auto 0;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copyright { font-size: 13px; color: var(--color-text-tertiary); font-family: var(--font-mono); }
.footer-open-source {
  font-size: 13px;
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-open-source a { color: var(--color-accent); }
.footer-open-source a:hover { text-decoration: underline; }

/* ---- Ambient ---- */
.ambient-glow {
  position: fixed;
  width: 600px; height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.glow-accent { background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.07) 0%, transparent 70%); filter: blur(80px); }
.glow-blue { background: radial-gradient(circle, rgba(10,132,255,0.06) 0%, transparent 70%); filter: blur(100px); }
.glow-purple { background: radial-gradient(circle, rgba(191,90,242,0.05) 0%, transparent 70%); filter: blur(100px); }
.orb {
  position: fixed;
  width: 4px; height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.2;
  animation: drift 15s ease-in-out infinite;
  pointer-events: none;
}
@keyframes drift {
  0%, 100% { transform: translate(0,0); }
  33% { transform: translate(30px,-20px); }
  66% { transform: translate(-20px,30px); }
}
.noise-overlay {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}
.dot-pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
}
.gradient-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--color-accent-rgb),0.3), transparent);
  opacity: 0;
  transition: opacity 1s ease;
}
.gradient-line.is-visible { opacity: 1; }

/* ---- Feature Icon ---- */
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.18) 0%, rgba(var(--color-accent-rgb), 0.06) 100%);
  border: 1px solid rgba(var(--color-accent-rgb), 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.feature-card:hover .feature-icon {
  box-shadow: 0 0 20px rgba(var(--color-accent-rgb), 0.18);
  border-color: rgba(var(--color-accent-rgb), 0.4);
}

/* ---- Sponsors ---- */
.sponsors-section {
  padding: 60px var(--space-xl);
  text-align: center;
  border-top: 1px solid var(--color-border);
}
.sponsors-inner {
  max-width: 800px;
  margin: 0 auto;
}
.sponsors-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}
.sponsors-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
}
.sponsors-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}
.sponsor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  min-width: 140px;
}
.sponsor-card:hover {
  border-color: rgba(var(--color-accent-rgb), 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.sponsor-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  object-fit: contain;
}
.sponsor-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}
.sponsor-desc {
  font-size: 11px;
  color: var(--color-text-tertiary);
}

/* ---- App Wall ---- */
.app-wall-section {
  border-top: 1px solid var(--color-border);
}
.app-wall-scroller {
  overflow: hidden;
  width: 100%;
  margin-bottom: 40px;
  /* padding gives cards room to lift on hover without being clipped */
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  /* fade edges left/right only */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
/* Static grid mode — used when there aren't enough apps to fill a scroll row */
.app-wall-scroller.is-static {
  overflow: visible;
  -webkit-mask-image: none;
  mask-image: none;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  padding: 10px;
}

/* Pause both rows when hovering anywhere in the scroller */
.app-wall-scroller:hover .app-wall-track {
  animation-play-state: paused;
}
.app-wall-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: app-wall-scroll-fwd 60s linear infinite;
}
.app-wall-track--rev {
  animation-name: app-wall-scroll-rev;
}
@keyframes app-wall-scroll-fwd {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes app-wall-scroll-rev {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}
.app-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  text-align: center;
}
.app-card:hover {
  border-color: rgba(var(--color-accent-rgb), 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.app-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
}
.app-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}
.app-card-dev {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  flex-wrap: wrap;
}
.app-card-dev-name {
  color: var(--color-text-tertiary);
}
.app-card-dev-profiles {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.app-card-profile-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color 0.2s ease;
  line-height: 1;
}
.app-card-profile-link:hover {
  color: var(--color-accent);
}
.app-card-dev-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  opacity: 0.7;
}
.app-card-category {
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-accent-dim);
  color: var(--color-accent);
  letter-spacing: 0.03em;
}
.app-wall-cta {
  text-align: center;
  margin-top: 8px;
}
.app-wall-cta-hint {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}
.app-wall-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 48px;
  width: 100%;
}
.app-wall-loading-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: app-wall-pulse 1.2s infinite;
}
.app-wall-loading-dot:nth-child(2) { animation-delay: 0.2s; }
.app-wall-loading-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes app-wall-pulse {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}
.app-wall-empty {
  text-align: center;
  width: 100%;
  padding: 48px 20px;
  color: var(--color-text-tertiary);
  font-size: 14px;
}

/* ---- Feature Tabs Navigation ---- */
.feature-tabs-nav {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.feature-tab-btn {
  position: relative;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
  font-family: var(--font-body);
  overflow: hidden;
  letter-spacing: 0.01em;
}

.feature-tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  width: 0%;
  opacity: 0;
}

.feature-tab-btn.active::after {
  opacity: 1;
}

.feature-tab-btn.active.running::after {
  animation: tab-progress-fill 5s linear forwards;
}

@keyframes tab-progress-fill {
  from { width: 0%; }
  to { width: 100%; }
}

.feature-tab-btn:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.feature-tab-btn.active {
  background: rgba(var(--color-accent-rgb), 0.10);
  border-color: rgba(var(--color-accent-rgb), 0.35);
  color: var(--color-accent);
}

/* Tab Panels */
.feature-tab-panel {
  display: none;
}

.feature-tab-panel.is-active {
  display: block;
  animation: feature-panel-in 0.35s ease;
}

@keyframes feature-panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- CAEOAS Demo Block ---- */
.affordances-demo {
  background: var(--color-bg-terminal);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  width: 100%;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; gap: 60px; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-actions { align-items: center; }
  .hero-action-row { justify-content: center; }
  .hero-stats { justify-content: center; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-content { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-nav { padding: 16px 20px; }
  .site-nav.scrolled { padding: 12px 20px; }
  .nav-links { display: none; }
  .site-nav .btn-github { display: none; }
  .hero { padding: 120px 20px 60px; }
  .section { padding: 80px 20px; }
  .cta { padding: 80px 20px; }
  .site-footer { padding: 40px 20px; }
  .footer-content { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .terminal-window { font-size: 11px; }
  .install-box { font-size: 13px; }
  .skills-grid { grid-template-columns: 1fr; }
  .skills-install-cmd { max-width: 100%; }
  .skills-install-cmd .install-box { font-size: 12px; gap: 8px; padding: 10px 14px; }
  .skills-install-cmd .cmd { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .skills-count { font-size: 12px; }
  .hero-stats { gap: var(--space-lg); flex-wrap: wrap; justify-content: center; }
  .hero-stat-value { font-size: 24px; }
  .hero-subtitle { word-break: break-word; }
}