/* ============================================
   Sleepy Spell Marketing Website — Design System
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --midnight: #1A1A2E;
  --deep-space: #16213E;
  --twilight: #0F3460;
  --stardust: #E94560;
  --moonbeam: #F8B500;
  --aurora-pink: #FF6B9D;
  --aurora-purple: #C44CFF;
  --soft-purple: #9D8EC7;
  --mint-dream: #4ECCA3;
  --sky-blue: #00D9FF;
  --cloud-white: #FFF8F0;
  --soft-cream: #FFECD2;
  --sleepy-gray: #A0A0B8;

  /* Semantic */
  --bg-primary: var(--midnight);
  --bg-secondary: var(--deep-space);
  --text-primary: var(--cloud-white);
  --text-secondary: var(--soft-cream);
  --text-muted: var(--sleepy-gray);
  --accent-primary: var(--stardust);
  --accent-secondary: var(--moonbeam);

  /* Gradients */
  --gradient-sky: linear-gradient(180deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
  --gradient-aurora: linear-gradient(135deg, #FF6B9D, #C44CFF, #00D9FF);
  --gradient-sunset: linear-gradient(135deg, #F8B500, #E94560);
  --gradient-dream: linear-gradient(135deg, #C44CFF, #4ECCA3);

  /* Typography */
  --font-display: 'Fredoka', sans-serif;
  --font-body: 'Quicksand', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-glow: 0 0 20px rgba(233, 69, 96, 0.3);
  --shadow-glow-purple: 0 0 20px rgba(196, 76, 255, 0.3);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Z-index scale */
  --z-base: 1;
  --z-card: 10;
  --z-nav: 50;
  --z-overlay: 100;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--gradient-sky);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--aurora-pink);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--sky-blue); }
a:focus-visible {
  outline: 2px solid var(--sky-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 4.5vw, 2.75rem); }
h3 { font-size: clamp(1.375rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p { max-width: 65ch; }

.text-gradient {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header p {
  margin: var(--space-sm) auto 0;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-lg);
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-sm) 0;
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition-base);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-logo svg {
  width: 28px;
  height: 28px;
}

.nav-links {
  display: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 46, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: var(--z-nav);
  padding: var(--space-xl);
  flex-direction: column;
  gap: var(--space-lg);
}

.nav-mobile.active { display: flex; }

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-mobile a:hover { color: var(--text-primary); }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  min-height: 44px;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid var(--sky-blue);
  outline-offset: 2px;
}

.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient-sunset);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  box-shadow: 0 0 30px rgba(233, 69, 96, 0.5);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
}

.btn-sm {
  font-size: 0.875rem;
  padding: 0.625rem 1.5rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* App Store Badge */
.app-badge {
  display: inline-block;
  height: 48px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  cursor: pointer;
}
.app-badge:hover { transform: translateY(-2px); opacity: 0.9; }

/* --- Cards --- */
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 255, 255, 0.12);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  background: rgba(255, 255, 255, 0.06);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card-icon.pink { background: rgba(233, 69, 96, 0.15); color: var(--stardust); }
.card-icon.purple { background: rgba(196, 76, 255, 0.15); color: var(--aurora-purple); }
.card-icon.gold { background: rgba(248, 181, 0, 0.15); color: var(--moonbeam); }
.card-icon.mint { background: rgba(78, 204, 163, 0.15); color: var(--mint-dream); }
.card-icon.blue { background: rgba(0, 217, 255, 0.15); color: var(--sky-blue); }

.card h3 { margin-bottom: var(--space-xs); }
.card p { color: var(--text-secondary); font-size: 0.95rem; }

/* --- Hero Section --- */
.hero {
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: var(--z-base);
}

/* Split hero: text left, phone right */
.hero-split .hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.hero-split .hero-text {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-split .hero-visual {
  flex-shrink: 0;
}

.hero-split .hero-visual .phone-mockup {
  margin: 0;
}

@media (min-width: 1024px) {
  .hero-split {
    padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
  }

  .hero-split .hero-content {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3xl);
  }

  .hero-split .hero-text {
    flex: 1;
    text-align: left;
    align-items: flex-start;
  }

  .hero-split .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-split .btn-group {
    justify-content: flex-start;
  }

  .hero-split .hero-visual {
    flex-shrink: 0;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(196, 76, 255, 0.12);
  border: 1px solid rgba(196, 76, 255, 0.25);
  border-radius: var(--radius-full);
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
  color: var(--aurora-purple);
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* Stars background */
.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--cloud-white);
  border-radius: 50%;
  animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

/* Phone mockup */
.phone-mockup {
  width: 260px;
  height: 520px;
  margin: var(--space-xl) auto 0;
  background: linear-gradient(180deg, #1A1A2E 0%, #0F3460 100%);
  border-radius: 36px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(196, 76, 255, 0.15);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: #0a0a1a;
  border-radius: 0 0 16px 16px;
}

.phone-screen {
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  font-family: var(--font-display);
}

.phone-screen .wand {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.phone-screen h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.phone-screen p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Feature Highlight Cards (Home page) --- */
.feature-highlight {
  text-align: center;
}

.feature-highlight .card-icon {
  margin: 0 auto var(--space-md);
}

/* --- How It Works --- */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-sunset);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-glow);
}

.step h3 { margin-bottom: var(--space-xs); }
.step p { color: var(--text-secondary); font-size: 0.95rem; max-width: 300px; margin: 0 auto; }

@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

/* --- Testimonials --- */
.testimonial-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.testimonial-card .stars-rating {
  color: var(--moonbeam);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.testimonial-card .author {
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonial-card .author span {
  color: var(--text-muted);
  font-weight: 400;
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-lg);
}

.cta-banner h2 { margin-bottom: var(--space-sm); }
.cta-banner p {
  color: var(--text-secondary);
  margin: 0 auto var(--space-lg);
  max-width: 500px;
}

p.cta-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: var(--space-sm) auto 0;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- FAQ Accordion --- */
.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-sm);
  background: rgba(255, 255, 255, 0.03);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
  transition: background var(--transition-fast);
}

.faq-question:hover { background: rgba(255, 255, 255, 0.03); }

.faq-question:focus-visible {
  outline: 2px solid var(--sky-blue);
  outline-offset: -2px;
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--text-muted);
}

.faq-item.active .faq-icon { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer-inner {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer { max-height: 500px; }

/* --- Table --- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

td { color: var(--text-secondary); }

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

/* --- Comparison boxes (download page) --- */
.plan-card {
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.plan-card.featured {
  border-color: var(--stardust);
  box-shadow: 0 0 30px rgba(233, 69, 96, 0.15);
  position: relative;
}

.plan-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-sunset);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
}

.plan-card h3 { margin-bottom: var(--space-xs); }

.plan-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.plan-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.plan-features {
  margin-bottom: var(--space-lg);
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--mint-dream);
}

/* --- Legal pages --- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding-top: calc(80px + var(--space-2xl));
}

.legal-content h1 {
  margin-bottom: var(--space-xs);
}

.legal-content .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-2xl);
}

.legal-content h2 {
  font-size: 1.25rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.legal-content ul {
  padding-left: var(--space-lg);
  list-style: disc;
}

.legal-content ul li { list-style: disc; }

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Glow pulse on hero */
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(233, 69, 96, 0.3); }
  50% { box-shadow: 0 0 40px rgba(233, 69, 96, 0.5); }
}

.glow-pulse { animation: glow-pulse 3s ease-in-out infinite; }

/* Aurora shimmer */
@keyframes aurora {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.aurora-border {
  position: relative;
}
.aurora-border::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--gradient-aurora);
  background-size: 200% 200%;
  animation: aurora 4s ease infinite;
  z-index: -1;
  opacity: 0.5;
}

/* --- Utility --- */
.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;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }