/* ============================================
   expired.biz — Global Stylesheet
   Industrial Terminal × Editorial Design
   ============================================ */

:root {
  --bg-primary: #0a0c10;
  --bg-secondary: #11141b;
  --bg-tertiary: #181c26;
  --bg-card: #141821;
  --bg-card-hover: #1a1f2b;
  --text-primary: #e4e7ed;
  --text-secondary: #8b92a5;
  --text-tertiary: #5a6179;
  --text-inverse: #0a0c10;
  --accent-green: #00e59b;
  --accent-green-dim: rgba(0, 229, 155, 0.12);
  --accent-green-glow: rgba(0, 229, 155, 0.25);
  --accent-amber: #ffb224;
  --accent-amber-dim: rgba(255, 178, 36, 0.12);
  --accent-red: #ff4d6a;
  --accent-red-dim: rgba(255, 77, 106, 0.12);
  --accent-blue: #3b82f6;
  --accent-blue-dim: rgba(59, 130, 246, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(0, 229, 155, 0.3);
  --font-display: 'JetBrains Mono', 'Fira Code', monospace;
  --font-heading: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --max-width: 1280px;
  --header-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 4px 16px rgba(0,0,0,0.2);
  --shadow-elevated: 0 4px 24px rgba(0,0,0,0.4), 0 12px 48px rgba(0,0,0,0.3);
  --transition-fast: 150ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-base: 250ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 400ms cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: var(--accent-green); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: #33ffb8; }
a:focus-visible { outline: 2px solid var(--accent-green); outline-offset: 2px; border-radius: var(--radius-sm); }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* --- Utilities --- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-lg); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.badge {
  display: inline-flex; align-items: center; gap: 0.35em; padding: 0.2em 0.65em;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; border-radius: var(--radius-sm); white-space: nowrap;
}
.badge--green { background: var(--accent-green-dim); color: var(--accent-green); }
.badge--amber { background: var(--accent-amber-dim); color: var(--accent-amber); }
.badge--red { background: var(--accent-red-dim); color: var(--accent-red); }
.badge--blue { background: var(--accent-blue-dim); color: var(--accent-blue); }

/* Background atmosphere */
body::before {
  content: ''; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0,229,155,0.04), transparent),
              radial-gradient(ellipse 60% 40% at 80% 100%, rgba(59,130,246,0.03), transparent);
  pointer-events: none; z-index: 0;
}
body::after {
  content: ''; position: fixed; top: 0; left: 0; right: 0; bottom: 0; opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-height);
  background: rgba(10, 12, 16, 0.85); backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2); border-bottom: 1px solid var(--border-subtle);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.logo {
  display: flex; align-items: center; gap: var(--space-sm);
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.02em;
}
.logo-icon {
  width: 32px; height: 32px; background: var(--accent-green); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--bg-primary); font-size: 0.75rem; font-weight: 800;
}
.logo .tld { color: var(--accent-green); }

.main-nav { display: flex; align-items: center; gap: var(--space-xs); }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 0.3em; padding: 0.5em 0.85em;
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link:hover, .nav-link[aria-expanded="true"] { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.nav-link .caret { font-size: 0.6em; transition: transform var(--transition-fast); }
.nav-link[aria-expanded="true"] .caret { transform: rotate(180deg); }

.nav-dropdown {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  min-width: 270px; background: var(--bg-tertiary); border: 1px solid var(--border-medium);
  border-radius: var(--radius-md); box-shadow: var(--shadow-elevated); padding: var(--space-sm);
  opacity: 0; visibility: hidden; transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
  transform: translateX(-50%) translateY(4px);
}
.nav-dropdown.is-open { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

.dropdown-link {
  display: block; padding: 0.6em 0.85em; font-size: 0.85rem;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.dropdown-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.dropdown-label { font-weight: 600; color: var(--text-primary); }
.dropdown-desc { font-size: 0.78rem; color: var(--text-tertiary); margin-top: 0.15em; }
.dropdown-divider { height: 1px; background: var(--border-subtle); margin: var(--space-xs) 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.4em; padding: 0.55em 1.2em;
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 600;
  border-radius: var(--radius-sm); transition: all var(--transition-fast);
}
.btn--primary { background: var(--accent-green); color: var(--bg-primary); }
.btn--primary:hover { background: #33ffb8; color: var(--bg-primary); box-shadow: 0 0 20px var(--accent-green-glow); }
.btn--ghost { border: 1px solid var(--border-medium); color: var(--text-secondary); }
.btn--ghost:hover { border-color: var(--text-secondary); color: var(--text-primary); }
.btn--large { padding: 0.75em 1.8em; font-size: 0.95rem; }

.menu-toggle {
  display: none; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); color: var(--text-secondary); transition: color var(--transition-fast);
}
.menu-toggle:hover { color: var(--text-primary); }
.menu-toggle svg { width: 22px; height: 22px; }

/* ============================================
   HERO
   ============================================ */
.hero { position: relative; z-index: 1; padding: var(--space-3xl) 0 var(--space-2xl); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); align-items: center; }
.hero-content { max-width: 560px; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-lg);
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent-green);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.hero-eyebrow .pulse {
  width: 6px; height: 6px; background: var(--accent-green); border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-green-glow); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}

.hero-title {
  font-family: var(--font-heading); font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.03em;
  color: var(--text-primary); margin-bottom: var(--space-lg);
}
.hero-title .highlight { color: var(--accent-green); }

.hero-desc {
  font-size: 1.05rem; color: var(--text-secondary); line-height: 1.65;
  margin-bottom: var(--space-xl); max-width: 480px;
}
.hero-actions { display: flex; align-items: center; gap: var(--space-md); flex-wrap: wrap; }

/* Terminal */
.hero-terminal {
  background: var(--bg-secondary); border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-elevated);
  animation: termFloat 6s ease-in-out infinite;
}
@keyframes termFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.terminal-bar {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: 0.7em 1em; background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--border-subtle);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot--red { background: var(--accent-red); }
.terminal-dot--amber { background: var(--accent-amber); }
.terminal-dot--green { background: var(--accent-green); }
.terminal-title { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-tertiary); margin-left: auto; }

.terminal-body {
  padding: 1.2em 1.4em; font-family: var(--font-mono); font-size: 0.8rem;
  line-height: 1.9; color: var(--text-secondary); min-height: 280px;
}
.terminal-line { opacity: 0; animation: termLine 0.3s forwards; }
.terminal-line .prompt { color: var(--accent-green); }
.terminal-line .cmd { color: var(--text-primary); }
.terminal-line .flag { color: var(--accent-amber); }
.terminal-line .val { color: var(--accent-blue); }
.terminal-line .result { color: var(--text-tertiary); font-style: italic; }
.terminal-line .success { color: var(--accent-green); }
.terminal-line .warn { color: var(--accent-amber); }
.terminal-line .err { color: var(--accent-red); }
@keyframes termLine {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  position: relative; z-index: 1; padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); text-align: center; }
.stat-value {
  font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em;
}
.stat-value .accent { color: var(--accent-green); }
.stat-label {
  font-size: 0.8rem; color: var(--text-tertiary); margin-top: 0.3em;
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500;
}

/* ============================================
   PILLAR CARDS
   ============================================ */
.pillars { position: relative; z-index: 1; padding: var(--space-3xl) 0; }
.section-header { max-width: 640px; margin-bottom: var(--space-2xl); }
.section-eyebrow {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-green);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--space-sm);
}
.section-title {
  font-family: var(--font-heading); font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -0.02em;
  color: var(--text-primary); margin-bottom: var(--space-md);
}
.section-desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.65; }

.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }

.pillar-card {
  position: relative; background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: var(--space-xl); overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.pillar-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; opacity: 0;
  transition: opacity var(--transition-base);
}
.pillar-card:hover { border-color: var(--border-medium); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.pillar-card:hover::before { opacity: 1; }
.pillar-card--discovery::before { background: var(--accent-green); }
.pillar-card--vetting::before { background: var(--accent-amber); }
.pillar-card--strategies::before { background: var(--accent-blue); }

.pillar-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-lg); font-size: 1.3rem;
}
.pillar-card--discovery .pillar-icon { background: var(--accent-green-dim); color: var(--accent-green); }
.pillar-card--vetting .pillar-icon { background: var(--accent-amber-dim); color: var(--accent-amber); }
.pillar-card--strategies .pillar-icon { background: var(--accent-blue-dim); color: var(--accent-blue); }

.pillar-title {
  font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: var(--space-sm);
}
.pillar-desc {
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: var(--space-lg);
}

.pillar-links { display: flex; flex-direction: column; gap: var(--space-xs); }
.pillar-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.5em 0.7em; font-size: 0.84rem; color: var(--text-secondary);
  border-radius: var(--radius-sm); transition: color var(--transition-fast), background var(--transition-fast);
}
.pillar-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.pillar-link .arrow {
  font-size: 0.75rem; opacity: 0; transform: translateX(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.pillar-link:hover .arrow { opacity: 1; transform: translateX(0); }

/* ============================================
   FEATURED GUIDES
   ============================================ */
.guides {
  position: relative; z-index: 1; padding: var(--space-3xl) 0;
  background: var(--bg-secondary); border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.guides-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }

.guide-card {
  display: flex; gap: var(--space-lg); padding: var(--space-xl);
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.guide-card:hover { border-color: var(--border-medium); box-shadow: var(--shadow-card); }

.guide-number {
  font-family: var(--font-display); font-size: 2.5rem; font-weight: 800;
  color: var(--bg-tertiary); line-height: 1; flex-shrink: 0;
}
.guide-meta { display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-sm); }
.guide-title {
  font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: var(--space-xs); line-height: 1.3;
}
.guide-title a { color: inherit; transition: color var(--transition-fast); }
.guide-title a:hover { color: var(--accent-green); }
.guide-excerpt { font-size: 0.84rem; color: var(--text-tertiary); line-height: 1.55; }

/* ============================================
   COMPARISON TABLE
   ============================================ */
.comparison { position: relative; z-index: 1; padding: var(--space-3xl) 0; }
.comparison-table-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--bg-card);
}
.comparison-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.comparison-table thead { background: rgba(255,255,255,0.03); }
.comparison-table th {
  padding: 0.9em 1.2em; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.08em;
  text-align: left; border-bottom: 1px solid var(--border-subtle); white-space: nowrap;
}
.comparison-table td {
  padding: 0.85em 1.2em; color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle); vertical-align: middle;
}
.comparison-table tbody tr:last-child td { border-bottom: none; }
.comparison-table tbody tr { transition: background var(--transition-fast); }
.comparison-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.comparison-table .platform-name { font-weight: 600; color: var(--text-primary); }
.comparison-table .check { color: var(--accent-green); }
.comparison-table .cross { color: var(--accent-red); opacity: 0.6; }

/* ============================================
   LIFECYCLE
   ============================================ */
.lifecycle {
  position: relative; z-index: 1; padding: var(--space-3xl) 0;
  background: var(--bg-secondary); border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.lifecycle-track {
  display: flex; align-items: stretch; gap: 2px;
  margin-top: var(--space-xl); overflow-x: auto; padding-bottom: var(--space-md);
}
.lifecycle-stage {
  flex: 1; min-width: 150px; padding: var(--space-lg); background: var(--bg-card);
  border-radius: var(--radius-md); text-align: center; position: relative;
  transition: transform var(--transition-base);
}
.lifecycle-stage:hover { transform: translateY(-3px); }
.lifecycle-stage::after {
  content: '→'; position: absolute; right: -14px; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); font-size: 1.1rem; z-index: 2;
}
.lifecycle-stage:last-child::after { display: none; }
.stage-icon { font-size: 1.5rem; margin-bottom: var(--space-sm); }
.stage-name {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: var(--space-xs);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.stage-duration { font-size: 0.75rem; color: var(--text-tertiary); }

/* ============================================
   TOOLS
   ============================================ */
.tools { position: relative; z-index: 1; padding: var(--space-3xl) 0; }
.tools-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.tool-card {
  display: flex; align-items: center; gap: var(--space-md); padding: var(--space-lg);
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); transition: border-color var(--transition-base);
}
.tool-card:hover { border-color: var(--border-medium); }
.tool-logo {
  width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--bg-tertiary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  color: var(--text-secondary); flex-shrink: 0;
}
.tool-name { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.15em; }
.tool-type { font-size: 0.75rem; color: var(--text-tertiary); }

/* ============================================
   CTA / NEWSLETTER
   ============================================ */
.cta-section {
  position: relative; z-index: 1; padding: var(--space-3xl) 0;
  background: var(--bg-secondary); border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.cta-box { max-width: 640px; margin: 0 auto; text-align: center; }
.cta-title {
  font-family: var(--font-heading); font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-sm);
}
.cta-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: var(--space-xl); }
.cta-form { display: flex; gap: var(--space-sm); max-width: 440px; margin: 0 auto; }
.cta-input {
  flex: 1; padding: 0.65em 1em; font-family: var(--font-body); font-size: 0.88rem;
  color: var(--text-primary); background: var(--bg-primary); border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm); outline: none; transition: border-color var(--transition-fast);
}
.cta-input::placeholder { color: var(--text-tertiary); }
.cta-input:focus { border-color: var(--accent-green); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer { position: relative; z-index: 1; padding: var(--space-2xl) 0 var(--space-xl); }
.footer-grid {
  display: grid; grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: var(--space-2xl); padding-bottom: var(--space-xl); border-bottom: 1px solid var(--border-subtle);
}
.footer-brand .logo { margin-bottom: var(--space-md); }
.footer-tagline { font-size: 0.84rem; color: var(--text-tertiary); line-height: 1.6; max-width: 280px; }
.footer-col-title {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--space-md); font-weight: 600;
}
.footer-links { display: flex; flex-direction: column; gap: 0.55em; }
.footer-link { font-size: 0.84rem; color: var(--text-secondary); transition: color var(--transition-fast); }
.footer-link:hover { color: var(--text-primary); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--space-lg); font-size: 0.78rem; color: var(--text-tertiary);
}
.footer-legal { display: flex; gap: var(--space-lg); }
.footer-legal a { color: var(--text-tertiary); transition: color var(--transition-fast); }
.footer-legal a:hover { color: var(--text-secondary); }

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.25,0.1,0.25,1), transform 0.6s cubic-bezier(0.25,0.1,0.25,1);
}
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

.stagger > * {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.25,0.1,0.25,1), transform 0.5s cubic-bezier(0.25,0.1,0.25,1);
}
.stagger.is-visible > * { opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .hero-terminal { max-width: 560px; }
  .pillars-grid { grid-template-columns: 1fr; max-width: 480px; }
  .guides-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
}

@media (max-width: 768px) {
  :root { --space-3xl: 3.5rem; --space-2xl: 2.5rem; }
  .main-nav { display: none; }
  .main-nav.is-open {
    display: flex; flex-direction: column; position: fixed;
    top: var(--header-height); left: 0; right: 0; bottom: 0;
    background: var(--bg-primary); padding: var(--space-lg); gap: var(--space-xs);
    overflow-y: auto; z-index: 99; border-top: 1px solid var(--border-subtle);
  }
  .main-nav.is-open .nav-link { font-size: 1rem; padding: 0.75em; }
  .main-nav.is-open .nav-dropdown {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; border: none; background: transparent; padding-left: var(--space-md); display: none;
  }
  .main-nav.is-open .nav-dropdown.is-open { display: block; }
  .menu-toggle { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .tools-grid { grid-template-columns: 1fr; }
  .lifecycle-track { flex-direction: column; gap: var(--space-sm); }
  .lifecycle-stage::after { display: none; }
  .lifecycle-stage { min-width: unset; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
  .footer-legal { flex-direction: column; gap: var(--space-sm); }
  .cta-form { flex-direction: column; }
  .guide-card { flex-direction: column; gap: var(--space-md); }
  .guide-number { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}

@media print {
  body::before, body::after { display: none; }
  .site-header, .cta-section { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}