/* ==========================================================================
 * AWESOME-SLASH SITE STYLES
 * Built on tokens.css design system
 * Mobile-first, dark theme, glassmorphism
 * ========================================================================== */

/* --------------------------------------------------------------------------
 * SKIP LINK
 * -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-purple);
  color: var(--color-text-primary);
  border-radius: var(--radius-default);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-2);
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
 * REDUCED MOTION
 * -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .anim-fade-in,
  .anim-fade-up,
  .anim-fade-left {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* --------------------------------------------------------------------------
 * SCROLL ANIMATION CLASSES
 * -------------------------------------------------------------------------- */
.anim-fade-in,
.anim-fade-up,
.anim-fade-left {
  opacity: 0;
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.anim-fade-up {
  transform: translateY(20px);
}

.anim-fade-left {
  transform: translateX(30px);
}

.anim-fade-in.is-visible,
.anim-fade-up.is-visible,
.anim-fade-left.is-visible {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
 * NAVIGATION
 * -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid transparent;
  transition: background var(--duration-moderate) var(--ease-out),
              border-color var(--duration-moderate) var(--ease-out);
}

.nav.is-scrolled {
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom-color: var(--color-border-subtle);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--width-wide);
  padding: 0 var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-tight);
  text-decoration: none;
}

.nav__logo:hover {
  color: var(--color-text-primary);
}

.nav__logo-icon {
  flex-shrink: 0;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-1) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__link.is-active {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent-purple);
}

.nav__cta {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-default);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.nav__cta:hover {
  background: var(--color-bg-surface-2);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 12px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 1px;
  transition: transform var(--duration-moderate) var(--ease-in-out),
              opacity var(--duration-moderate) var(--ease-in-out);
}

.nav__hamburger.is-open .nav__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.is-open .nav__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  z-index: calc(var(--z-sticky) - 1);
  background: var(--color-bg-surface-1);
  border-left: 1px solid var(--color-border-subtle);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--duration-moderate) cubic-bezier(0.4, 0, 0.2, 1),
              visibility var(--duration-moderate);
  padding: 80px var(--space-6) var(--space-6);
}

.mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-default);
  transition: color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  min-height: 56px;
}

.mobile-menu__link:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-surface-2);
}

/* Desktop nav */
@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
  .nav__cta {
    display: flex;
  }
  .nav__hamburger {
    display: none;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-overlay {
    display: none;
  }
}

/* --------------------------------------------------------------------------
 * BUTTONS
 * -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: all var(--duration-normal) var(--ease-out);
  min-height: 48px;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--color-text-primary);
  box-shadow: var(--glow-accent);
}

.btn--primary:hover {
  background: var(--gradient-accent-hover);
  box-shadow: var(--glow-accent-strong);
  transform: translateY(-1px);
  color: var(--color-text-primary);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--glow-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-default);
}

.btn--ghost:hover {
  background: var(--color-bg-surface-2);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

.btn--ghost:active {
  background: var(--color-bg-surface-3);
}

/* --------------------------------------------------------------------------
 * HERO
 * -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px var(--space-6) var(--space-12);
  position: relative;
  overflow: hidden;
}

/* Ambient background glow */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-12);
  max-width: var(--width-wide);
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero__content {
  text-align: center;
  max-width: 680px;
}

.hero__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  font-size: 11px;
  font-weight: var(--font-semibold);
  color: var(--color-accent-purple);
  background: var(--color-accent-muted);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  animation: badgeFloat 4s ease-in-out infinite;
}

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

.hero__title {
  font-size: clamp(2rem, 5vw, var(--text-6xl));
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__terminal {
  width: 100%;
  max-width: 600px;
}

/* Desktop: side by side */
@media (min-width: 1024px) {
  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-16);
  }

  .hero__content {
    text-align: left;
    flex: 1;
    max-width: none;
  }

  .hero__subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .hero__ctas {
    justify-content: flex-start;
  }

  .hero__terminal {
    flex: 1;
    max-width: 560px;
  }
}

/* --------------------------------------------------------------------------
 * TERMINAL
 * -------------------------------------------------------------------------- */
.terminal {
  position: relative;
  background: var(--color-bg-inset);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2xl), var(--glow-accent);
}

.terminal__titlebar {
  display: flex;
  align-items: center;
  height: 36px;
  padding: 0 var(--space-3);
  background: var(--color-bg-surface-1);
  border-bottom: 1px solid var(--color-border-subtle);
  gap: var(--space-2);
}

.terminal__dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
}

.terminal__dot--red { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green { background: #28c840; }

.terminal__titlebar-text {
  flex: 1;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}

.terminal__body {
  padding: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  min-height: 300px;
  color: var(--color-text-secondary);
}

.terminal__line {
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--color-text-primary);
  vertical-align: text-bottom;
  animation: blink 1.06s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Terminal paused state */
.terminal__paused {
  position: absolute;
  top: 42px;
  right: 12px;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-sans);
  opacity: 0;
  transition: opacity var(--duration-fast) ease;
  pointer-events: none;
}

.terminal.is-paused .terminal__paused {
  opacity: 1;
}

/* Terminal color classes */
.t-cyan { color: #22d3ee; }
.t-yellow { color: #fbbf24; }
.t-green { color: #4ade80; }
.t-red { color: #f87171; }
.t-purple { color: var(--color-accent-purple); }
.t-muted { color: var(--color-text-muted); }
.t-white { color: var(--color-text-primary); }
.t-bold { font-weight: var(--font-bold); }

/* --------------------------------------------------------------------------
 * PROBLEM SECTION
 * -------------------------------------------------------------------------- */
.problem {
  padding: var(--space-20) var(--space-6);
}

.problem__inner {
  max-width: 740px;
  margin: 0 auto;
  text-align: center;
}

.problem__title {
  font-size: clamp(1.75rem, 4vw, var(--text-4xl));
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.problem__body {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.problem__body strong {
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
}

/* --------------------------------------------------------------------------
 * STATS BAR
 * -------------------------------------------------------------------------- */
.stats {
  padding: var(--space-16) var(--space-6);
  background: var(--color-bg-surface-1);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.stats__inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  max-width: var(--width-wide);
  margin: 0 auto;
  text-align: center;
}

.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.stats__number {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  font-weight: var(--font-bold);
  background: var(--gradient-accent-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.stats__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

@media (min-width: 640px) {
  .stats__inner {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
 * COMMANDS SECTION
 * -------------------------------------------------------------------------- */
.commands {
  padding: var(--space-24) var(--space-6);
}

.commands__inner {
  max-width: var(--width-content);
  margin: 0 auto;
}

.commands__title,
.how-it-works__title,
.philosophy__title,
.install__title,
.agents-skills__title {
  font-size: clamp(1.75rem, 4vw, var(--text-4xl));
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-3);
}

.commands__subtitle,
.how-it-works__subtitle,
.philosophy__subtitle,
.agents-skills__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-12);
  letter-spacing: 0.01em;
}

.commands__tabs {
  margin-top: var(--space-2);
}

/* --------------------------------------------------------------------------
 * TABS (shared component)
 * -------------------------------------------------------------------------- */
.tabs[role="tablist"] {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-6);
  position: relative;
}

.tabs[role="tablist"]::-webkit-scrollbar {
  display: none;
}

/* Right fade for scroll hint */
.tabs[role="tablist"]::after {
  content: '';
  position: sticky;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  flex-shrink: 0;
  background: linear-gradient(to right, transparent, var(--color-bg-base));
  pointer-events: none;
}

.tabs--small .tabs__tab {
  font-size: var(--text-sm);
}

.tabs__tab {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
  min-height: 44px;
  white-space: nowrap;
  position: relative;
}

.tabs__tab:hover {
  color: var(--color-text-secondary);
}

.tabs__tab--active,
.tabs__tab[aria-selected="true"] {
  color: var(--color-text-primary);
  border-bottom-color: transparent;
  position: relative;
}

.tabs__tab--active::after,
.tabs__tab[aria-selected="true"]::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transform: scaleX(1);
  transition: transform var(--duration-moderate) var(--ease-out);
}

.tabs__tab::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform var(--duration-moderate) var(--ease-out);
}

.tabs__panel {
  display: none;
  animation: fadeIn var(--duration-moderate) var(--ease-out);
}

.tabs__panel--active,
.tabs__panel:not([hidden]) {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.tabs__panel-name {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.tabs__panel-tagline {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.tabs__panel-features {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tabs__panel-features li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
  position: relative;
}

.tabs__panel-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-accent-purple);
}

/* --------------------------------------------------------------------------
 * CODE BLOCKS
 * -------------------------------------------------------------------------- */
.code-block {
  position: relative;
  background: var(--color-bg-code);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-block pre {
  padding: var(--space-5);
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.code-block code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-feature-settings: "liga" 1, "calt" 1;
}

.code-block__copy {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-default);
  color: var(--color-text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.code-block:hover .code-block__copy,
.code-block__copy:focus-visible {
  opacity: 1;
}

.code-block__copy:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-surface-3);
  border-color: var(--color-border-default);
}

/* Always show copy button on touch devices (no hover) */
@media (hover: none) {
  .code-block__copy {
    opacity: 0.7;
  }
}

.code-block__copy.is-copied {
  color: var(--color-success);
}

.code-prompt {
  color: var(--color-text-muted);
  user-select: none;
}

.code-comment {
  color: var(--color-text-faint);
}

/* --------------------------------------------------------------------------
 * HOW IT WORKS
 * -------------------------------------------------------------------------- */
.how-it-works {
  padding: var(--space-24) var(--space-6);
  background: var(--color-bg-surface-1);
}

.how-it-works__inner {
  max-width: var(--width-content);
  margin: 0 auto;
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.steps__connector {
  display: none;
  color: var(--color-text-faint);
}

.steps__card {
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.3);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.3);
  border: 1px solid var(--color-border-subtle);
  border-top: var(--glass-border-top-highlight);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  width: 100%;
  max-width: 360px;
  transition: border-color var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.steps__card:hover {
  border-color: var(--color-border-default);
  background: var(--color-bg-surface-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-card-hover);
}

.steps__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-accent-purple);
  background: var(--color-accent-muted);
  border-radius: var(--radius-full);
}

.steps__icon {
  display: block;
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}

.steps__card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-4);
}

.steps__card-desc {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

@media (min-width: 768px) {
  .steps {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-4);
  }

  .steps__connector {
    display: flex;
    align-items: center;
    margin-top: 40px;
    flex-shrink: 0;
  }

  .steps__card {
    flex: 1;
    max-width: 320px;
  }
}

/* --------------------------------------------------------------------------
 * PHILOSOPHY
 * -------------------------------------------------------------------------- */
.philosophy {
  padding: var(--space-24) var(--space-6);
}

.philosophy__inner {
  max-width: var(--width-content);
  margin: 0 auto;
}

.philosophy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.philosophy__card {
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.3);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.3);
  border: 1px solid var(--color-border-subtle);
  border-top: var(--glass-border-top-highlight);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.philosophy__card:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-surface-2);
  transform: translateY(-2px);
  box-shadow: var(--glow-card-hover);
}

.philosophy__card-icon {
  color: var(--color-accent-purple);
  opacity: 0.8;
}

.philosophy__card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-4);
}

.philosophy__card-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.text-accent {
  color: var(--color-accent-purple);
  font-weight: var(--font-semibold);
}

@media (min-width: 768px) {
  .philosophy__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
 * INSTALLATION
 * -------------------------------------------------------------------------- */
.install {
  padding: var(--space-24) var(--space-6);
  background: var(--color-bg-surface-1);
}

.install__inner {
  max-width: 640px;
  margin: 0 auto;
}

.install__title {
  margin-bottom: var(--space-10);
}

.install__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* Fix scroll fade for sections with different bg */
.install .tabs[role="tablist"]::after,
.agents-skills .agent-tabs::after {
  background: linear-gradient(to right, transparent, var(--color-bg-surface-1));
}

/* --------------------------------------------------------------------------
 * FOOTER
 * -------------------------------------------------------------------------- */
.footer {
  padding: var(--space-16) var(--space-6);
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--color-border-subtle);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  max-width: var(--width-wide);
  margin: 0 auto;
  text-align: center;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer__name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__license {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__links a:hover {
  color: var(--color-text-primary);
}

.footer__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer__version {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__author {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__author a {
  color: var(--color-text-secondary);
}

.footer__author a:hover {
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer__brand {
    align-items: flex-start;
  }

  .footer__meta {
    align-items: flex-end;
  }
}

/* --------------------------------------------------------------------------
 * FOCUS STYLES
 * -------------------------------------------------------------------------- */
*:focus-visible {
  outline: 2px solid var(--color-accent-purple);
  outline-offset: 2px;
}

/* Remove outline for mouse clicks */
*:focus:not(:focus-visible) {
  outline: none;
}

/* ==========================================================================
 * DESKTOP SECTION PADDING (120px per UX spec)
 * ========================================================================== */
@media (min-width: 1024px) {
  .problem,
  .commands,
  .how-it-works,
  .philosophy,
  .agents-skills,
  .install {
    padding-top: 140px;
    padding-bottom: 140px;
  }

  .hero {
    padding-top: 120px;
    padding-bottom: 80px;
  }
}

/* --------------------------------------------------------------------------
 * AGENTS & SKILLS SECTION
 * -------------------------------------------------------------------------- */
.agents-skills {
  padding: var(--space-24) var(--space-6);
  background: var(--color-bg-surface-1);
}

.agents-skills__inner {
  max-width: var(--width-content);
  margin: 0 auto;
}

.agents-skills__tabs {
  margin-top: var(--space-2);
}

.agents-skills__skills-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  text-align: center;
  margin-top: var(--space-16);
  margin-bottom: var(--space-8);
}

/* Agent tier tabs */
.agent-tabs {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-6);
}

.agent-tabs::-webkit-scrollbar {
  display: none;
}

.agent-tabs::after {
  content: '';
  position: sticky;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  flex-shrink: 0;
  background: linear-gradient(to right, transparent, var(--color-bg-surface-1));
  pointer-events: none;
}

.agent-tabs__tab {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
  min-height: 44px;
  white-space: nowrap;
  position: relative;
}

.agent-tabs__tab:hover {
  color: var(--color-text-secondary);
}

.agent-tabs__tab--active {
  color: var(--color-text-primary);
  border-bottom-color: transparent;
}

.agent-tabs__tab--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
}

.agent-tabs__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  background: var(--color-bg-surface-3);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

/* Agent grid */
.agent-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.agent-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-elevated);
  backdrop-filter: blur(var(--glass-blur-light)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-light)) saturate(1.2);
  border: 1px solid var(--color-border-subtle);
  border-top: var(--glass-border-top-highlight);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.agent-card:hover {
  border-color: var(--color-border-default);
  box-shadow: var(--glow-card-hover);
}

.agent-card__name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.agent-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  width: 100%;
  margin: 0;
}

/* Tier badges */
.tier-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: 1px 8px;
  border-radius: var(--radius-full);
}

.tier-badge--opus {
  color: var(--color-accent-hover);
  background: rgba(var(--color-accent-purple-rgb), 0.12);
  border: 1px solid rgba(var(--color-accent-purple-rgb), 0.2);
}

.tier-badge--sonnet {
  color: var(--color-accent-cyan);
  background: rgba(var(--color-accent-cyan-rgb), 0.12);
  border: 1px solid rgba(var(--color-accent-cyan-rgb), 0.2);
}

.tier-badge--haiku {
  color: var(--color-text-secondary);
  background: rgba(var(--color-zinc-rgb), 0.12);
  border: 1px solid rgba(var(--color-zinc-rgb), 0.2);
}

.tier-badge--specialist {
  color: var(--color-info);
  background: rgba(var(--color-info-rgb), 0.12);
  border: 1px solid rgba(var(--color-info-rgb), 0.2);
}

/* Skills grid */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.skill-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.skill-group__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-accent-purple);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.skill-group__items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-card {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-default);
  transition: border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.skill-card:hover {
  border-color: var(--color-border-default);
  color: var(--color-text-primary);
}

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

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

@media (min-width: 1024px) {
  .agent-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .skills-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
 * HOW IT WORKS DYNAMIC TRANSITIONS
 * -------------------------------------------------------------------------- */
.steps--transitioning .steps__card {
  animation: hiwFadeOut var(--duration-normal) var(--ease-in) forwards;
}

.steps--entering .steps__card {
  animation: hiwFadeIn var(--duration-moderate) var(--ease-out) forwards;
}

.steps--entering .steps__card:nth-child(1) { animation-delay: 0ms; }
.steps--entering .steps__card:nth-child(3) { animation-delay: calc(var(--stagger-delay)); }
.steps--entering .steps__card:nth-child(5) { animation-delay: calc(var(--stagger-delay) * 2); }

@keyframes hiwFadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-8px); }
}

@keyframes hiwFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile overlay for menu */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-sticky) - 2);
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-moderate) ease,
              visibility var(--duration-moderate) ease;
}

.mobile-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}