/* ==========================================================================
   CompetitorRadar — Main Stylesheet
   Competitor monitoring SaaS platform
   Brand: Emerald green radar aesthetic on dark background
   ========================================================================== */

/* ==========================================================================
   0. CSS Custom Properties
   ========================================================================== */

:root {
  /* Brand Colors */
  --color-primary: #10b981;
  --color-primary-light: #34d399;
  --color-primary-dark: #059669;
  --color-primary-rgb: 16, 185, 129;

  /* Backgrounds */
  --bg-body: #0a0a0f;
  --bg-card: #111118;
  --bg-card-hover: #16161f;
  --bg-elevated: #1a1a24;
  --bg-input: #0d0d14;
  --bg-overlay: rgba(0, 0, 0, 0.7);

  /* Borders */
  --border-color: #1e1e2e;
  --border-color-light: #2a2a3a;
  --border-color-focus: var(--color-primary);

  /* Text */
  --text-primary: #e4e4e7;
  --text-muted: #8b8b9e;
  --text-heading: #f4f4f5;
  --text-inverse: #0a0a0f;

  /* Semantic */
  --color-error: #ef4444;
  --color-warning: #f97316;
  --color-info: #3b82f6;
  --color-success: #10b981;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #10b981, #34d399);
  --gradient-primary-hover: linear-gradient(135deg, #059669, #10b981);
  --gradient-radial-glow: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.15), transparent 70%);
  --gradient-card-glow: radial-gradient(ellipse at top, rgba(16, 185, 129, 0.05), transparent 60%);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.15);
  --shadow-glow-lg: 0 0 60px rgba(16, 185, 129, 0.2);
  --shadow-btn: 0 4px 15px rgba(16, 185, 129, 0.3);
  --shadow-btn-hover: 0 8px 25px rgba(16, 185, 129, 0.4);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.5rem;
  --text-4xl: 3.5rem;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
  --navbar-height: 72px;

  /* Z-index scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-navbar: 500;
  --z-overlay: 900;
  --z-modal: 1000;
  --z-toast: 1100;
}


/* ==========================================================================
   1. Base / Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

::selection {
  background-color: rgba(16, 185, 129, 0.3);
  color: var(--text-heading);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}


/* ==========================================================================
   2. Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 {
  font-size: var(--text-4xl);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-xl);
  font-weight: 600;
}

h4 {
  font-size: var(--text-lg);
  font-weight: 600;
}

h5 {
  font-size: var(--text-md);
  font-weight: 600;
}

h6 {
  font-size: var(--text-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
}

p {
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  color: var(--text-muted);
}

p + p {
  margin-top: var(--space-md);
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }

.text-muted { color: var(--text-muted); }
.text-primary-color { color: var(--color-primary); }
.text-white { color: var(--text-heading); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.uppercase {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--text-xs);
  font-weight: 600;
}

.section-label,
.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-md);
  color: var(--text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

/* Responsive Typography */
@media (max-width: 1024px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.35rem; }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  p { font-size: 1rem; }
  .section-subtitle { font-size: 1rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.15rem; }
}


/* ==========================================================================
   3. Layout Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.container-wide {
  max-width: var(--max-width-wide);
}

section,
.section {
  padding: var(--space-5xl) 0;
}

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

.section-lg {
  padding: var(--space-5xl) 0;
}

.section-dark {
  background: var(--bg-card);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
  section,
  .section {
    padding: var(--space-3xl) 0;
  }
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

.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); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.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); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

.w-full { width: 100%; }
.h-full { height: 100%; }


/* ==========================================================================
   4. Grid System
   ========================================================================== */

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

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

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


/* ==========================================================================
   5. Navbar
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-navbar);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-inner,
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.navbar-logo,
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-heading);
  white-space: nowrap;
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.logo:hover {
  opacity: 0.85;
}

.navbar-logo svg,
.navbar-logo img {
  width: 32px;
  height: 32px;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-primary);
}

.navbar-logo .logo-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  margin-left: 2px;
  animation: radar-pulse 2s ease-in-out infinite;
}

.navbar-links,
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar-links a,
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.navbar-links a:hover,
.navbar-links a.active,
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-heading);
}

.navbar-links a::after,
.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.navbar-links a:hover::after,
.navbar-links a.active::after,
.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn).active::after {
  width: 100%;
}

.nav-links a.btn {
  white-space: nowrap;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.55rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-inverse);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.navbar-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn);
}

/* Mobile menu toggle */
.navbar-toggle,
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  cursor: pointer;
  z-index: calc(var(--z-navbar) + 1);
  background: none;
  border: none;
  color: var(--text-primary);
}

.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.navbar-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.navbar-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: var(--z-navbar);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.navbar-mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.navbar-mobile-menu a {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--text-heading);
  transition: color var(--transition-fast);
}

.navbar-mobile-menu a:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .navbar-links,
  .navbar-actions {
    display: none;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 24px;
    gap: 12px;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 15px;
    padding: 8px 0;
  }

  .nav-links .btn {
    width: 100%;
    justify-content: center;
    margin-top: 4px;
  }

  .navbar-toggle,
  .mobile-menu-btn {
    display: flex;
  }

  .navbar-mobile-menu {
    display: flex;
  }
}

/* Offset body content for fixed navbar */
.has-navbar {
  padding-top: var(--navbar-height);
}


/* ==========================================================================
   6. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.7rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary button */
.btn-primary {
  color: var(--text-inverse);
  background: var(--gradient-primary);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--gradient-primary-hover);
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-2px);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::after {
  left: 100%;
}

/* Secondary / outlined button */
.btn-secondary,
.btn-outline {
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-color-light);
}

.btn-secondary:hover,
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(16, 185, 129, 0.05);
  transform: translateY(-2px);
}

/* Ghost button */
.btn-ghost {
  color: var(--text-muted);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--text-heading);
  background: rgba(255, 255, 255, 0.05);
}

/* Danger button */
.btn-danger {
  color: #fff;
  background: var(--color-error);
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

/* Button sizes */
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-large,
.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: 1.15rem 2.75rem;
  font-size: var(--text-md);
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Icon button */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon.btn-sm {
  width: 32px;
  height: 32px;
}

/* Button group */
.btn-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-group .btn {
    width: 100%;
  }
}


/* ==========================================================================
   7. Cards
   ========================================================================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
              border-color var(--transition-base), background var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(16, 185, 129, 0.2);
  background: var(--bg-card-hover);
}

.card:hover::before {
  opacity: 1;
  background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.5), transparent);
}

.card-flat {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.card-body {
  padding: var(--space-xl);
}

.card-header {
  padding: var(--space-xl) var(--space-xl) 0;
}

.card-footer {
  padding: 0 var(--space-xl) var(--space-xl);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-has-image {
  padding: 0;
}

.card-has-image .card-body {
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
}


/* ==========================================================================
   8. Feature Cards
   ========================================================================== */

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: left;
  transition: transform var(--transition-base), box-shadow var(--transition-base),
              border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-card-glow);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(16, 185, 129, 0.25);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-card-icon,
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.feature-card-title,
.feature-card h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.feature-card-description,
.feature-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  position: relative;
  z-index: 1;
}


/* ==========================================================================
   9. Step Cards
   ========================================================================== */

.step-card {
  text-align: center;
  padding: var(--space-2xl);
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid rgba(16, 185, 129, 0.3);
  color: var(--color-primary);
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 auto var(--space-lg);
  position: relative;
}

.step-number::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.3), transparent);
}

.step-card:last-child .step-number::after {
  display: none;
}

.step-card-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.step-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
}

.step-card-text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  max-width: 280px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .step-number::after {
    display: none;
  }
}


/* ==========================================================================
   10. Input Fields & Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-color-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
  background: rgba(16, 185, 129, 0.02);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%238b8b9e' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Input with icon */
.input-group {
  position: relative;
}

.input-group .form-input {
  padding-left: 2.75rem;
}

.input-group-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Inline email capture */
.input-inline {
  display: flex;
  gap: var(--space-sm);
}

.input-inline .form-input {
  flex: 1;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-inline .btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .input-inline {
    flex-direction: column;
  }
  .input-inline .form-input,
  .input-inline .btn {
    border-radius: var(--radius-md);
  }
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border-color-light);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-primary);
  transition: transform var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
  background: var(--color-primary);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: #fff;
}


/* ==========================================================================
   11. Pricing Cards
   ========================================================================== */

.pricing-cards,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  border-color: rgba(16, 185, 129, 0.15);
}

/* Popular / highlighted card */
.pricing-card.popular {
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.1), 0 0 80px rgba(16, 185, 129, 0.05);
  transform: scale(1.04);
  z-index: 2;
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.03) 0%, var(--bg-card) 40%);
}

.pricing-card.popular:hover {
  transform: scale(1.04) translateY(-4px);
  box-shadow: 0 0 50px rgba(16, 185, 129, 0.15), 0 0 100px rgba(16, 185, 129, 0.08);
}

.pricing-badge,
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.35rem 1.25rem;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-inverse);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-name {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
}

.pricing-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  min-height: 40px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: var(--space-xl);
}

.pricing-currency {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-muted);
}

.pricing-amount,
.price-amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
  letter-spacing: -0.03em;
}

.pricing-period,
.price-period {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-muted);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.pricing-feature .check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
  font-size: 0.65rem;
}

.pricing-feature .check::before {
  content: '\2713';
}

.pricing-feature.disabled {
  opacity: 0.4;
}

.pricing-feature.disabled .check {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.pricing-feature.disabled .check::before {
  content: '\2715';
}

/* Pricing toggle (monthly/annual) */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.pricing-toggle-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-toggle-label.active {
  color: var(--text-heading);
}

.pricing-save-badge {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

@media (max-width: 1024px) {
  .pricing-cards,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.popular {
    transform: none;
  }
  .pricing-card.popular:hover {
    transform: translateY(-4px);
  }
  .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    justify-self: center;
  }
}

@media (max-width: 768px) {
  .pricing-cards,
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
  .pricing-card:last-child {
    grid-column: auto;
    max-width: none;
    justify-self: auto;
  }
}


/* ==========================================================================
   12. Comparison Table
   ========================================================================== */

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.comparison-table {
  width: 100%;
  min-width: 700px;
  text-align: left;
}

.comparison-table thead th {
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-heading);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.comparison-table thead th:first-child {
  min-width: 220px;
}

.comparison-table tbody td {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-sm);
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.comparison-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.015);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr:hover {
  background: rgba(16, 185, 129, 0.03);
}

.comparison-table .feature-name {
  font-weight: 500;
  color: var(--text-primary);
}

/* Check and X marks */
.table-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 700;
}

.table-check::before {
  content: '\2713';
}

.table-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  font-size: 0.7rem;
  font-weight: 700;
}

.table-x::before {
  content: '\2715';
}

.table-dash {
  color: var(--border-color-light);
  font-size: var(--text-lg);
}

.table-dash::before {
  content: '\2014';
}


/* ==========================================================================
   13. Testimonials
   ========================================================================== */

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-lg);
  color: #fbbf24;
  font-size: var(--text-sm);
}

.testimonial-quote {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
  font-style: italic;
  position: relative;
}

.testimonial-quote::before {
  content: '\201C';
  position: absolute;
  top: -0.4em;
  left: -0.05em;
  font-size: 3rem;
  color: rgba(16, 185, 129, 0.2);
  font-style: normal;
  line-height: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

.testimonial-avatar-placeholder {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.testimonial-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-heading);
}

.testimonial-title {
  font-size: var(--text-xs);
  color: var(--text-muted);
}


/* ==========================================================================
   14. Stats Bar
   ========================================================================== */

.stats-bar,
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 10%;
  height: 80%;
  width: 1px;
  background: var(--border-color);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
}

.stat-number .stat-highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 1024px) {
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
  .stat-divider {
    width: 40px;
    height: 1px;
  }
}

@media (max-width: 480px) {
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .stat-item::after {
    display: none !important;
  }
  .stat-number {
    font-size: 2.5rem;
  }
}


/* ==========================================================================
   15. FAQ Accordion
   ========================================================================== */

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.active {
  border-color: rgba(16, 185, 129, 0.3);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: none;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--text-heading);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: transform var(--transition-base), background var(--transition-base),
              color var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.faq-answer-inner {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

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


/* ==========================================================================
   16. Footer
   ========================================================================== */

.footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand .logo {
  margin-bottom: 4px;
}

.footer-brand-name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-brand-text,
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-lg);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a,
.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), transform var(--transition-fast);
}

.footer-social a:hover,
.social-link:hover {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-column-title,
.footer-col h5 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

.footer-links,
.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a,
.footer-col a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast), padding-left 0.25s ease;
  display: block;
  padding: 4px 0;
}

.footer-links a:hover,
.footer-col a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-bottom-links a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--text-primary);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   17. Modal
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-xl) 0;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-heading);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
  font-size: var(--text-lg);
  cursor: pointer;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-heading);
}

.modal-body {
  padding: var(--space-xl);
}

.modal-footer {
  padding: 0 var(--space-xl) var(--space-xl);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

.modal-lg {
  max-width: 680px;
}

.modal-sm {
  max-width: 380px;
}

body.modal-open {
  overflow: hidden;
}


/* ==========================================================================
   18. Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  top: calc(var(--navbar-height) + var(--space-md));
  right: var(--space-xl);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  min-width: 320px;
  max-width: 420px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity var(--transition-base);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast.removing {
  transform: translateX(120%);
  opacity: 0;
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: var(--leading-normal);
}

.toast-close {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  font-size: var(--text-xs);
}

.toast-close:hover {
  color: var(--text-heading);
  background: rgba(255, 255, 255, 0.05);
}

/* Toast variants */
.toast-success {
  border-left: 3px solid var(--color-success);
}

.toast-success .toast-icon {
  color: var(--color-success);
}

.toast-error {
  border-left: 3px solid var(--color-error);
}

.toast-error .toast-icon {
  color: var(--color-error);
}

.toast-warning {
  border-left: 3px solid var(--color-warning);
}

.toast-warning .toast-icon {
  color: var(--color-warning);
}

.toast-info {
  border-left: 3px solid var(--color-info);
}

.toast-info .toast-icon {
  color: var(--color-info);
}

@media (max-width: 480px) {
  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
  }
  .toast {
    min-width: 0;
    max-width: 100%;
  }
}


/* ==========================================================================
   19. Loading States
   ========================================================================== */

/* Skeleton pulse */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-elevated) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 16px;
  width: 100%;
  margin-bottom: var(--space-sm);
}

.skeleton-text:last-child {
  width: 70%;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  width: 100%;
}

.skeleton-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
}

.skeleton-btn {
  height: 40px;
  width: 120px;
  border-radius: var(--radius-md);
}

@keyframes skeleton-pulse {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Spinner */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 18px;
  height: 18px;
  border-width: 2px;
}

.spinner-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Loading overlay */
.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: inherit;
  z-index: var(--z-overlay);
}

/* Dot pulse loader */
.dot-pulse {
  display: flex;
  gap: 6px;
  align-items: center;
}

.dot-pulse span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: dot-bounce 1.2s ease-in-out infinite;
}

.dot-pulse span:nth-child(2) {
  animation-delay: 0.15s;
}

.dot-pulse span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes dot-bounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-8px);
    opacity: 1;
  }
}

/* Button loading state */
.btn.loading {
  pointer-events: none;
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}


/* ==========================================================================
   20. Animations
   ========================================================================== */

/* Fade in (triggered by intersection observer) */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered children */
.fade-in-stagger .fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in-stagger .fade-in:nth-child(2) { transition-delay: 100ms; }
.fade-in-stagger .fade-in:nth-child(3) { transition-delay: 200ms; }
.fade-in-stagger .fade-in:nth-child(4) { transition-delay: 300ms; }
.fade-in-stagger .fade-in:nth-child(5) { transition-delay: 400ms; }
.fade-in-stagger .fade-in:nth-child(6) { transition-delay: 500ms; }

/* Slide up */
.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide in from left */
.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide in from right */
.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Radar pulse animation */
.pulse {
  animation: radar-pulse 2s ease-in-out infinite;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: radar-pulse 2s ease-in-out infinite;
}

@keyframes radar-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
  }
  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 12px rgba(16, 185, 129, 0);
  }
}

/* Radar sweep — decorative background animation */
.radar-sweep {
  position: relative;
  overflow: hidden;
}

.radar-sweep::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  margin: -150px 0 0 -150px;
  border-radius: 50%;
  border: 1px solid rgba(16, 185, 129, 0.15);
  animation: radar-sweep-ring 3s linear infinite;
  pointer-events: none;
}

@keyframes radar-sweep-ring {
  0% {
    transform: scale(0.3);
    opacity: 1;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Glow breathing effect */
.glow-breathe {
  animation: glow-breathe 3s ease-in-out infinite;
}

@keyframes glow-breathe {
  0%, 100% {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.25);
  }
}

/* Float animation */
.float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Count-up number animation helper */
.count-up {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* Reduced motion support */
@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;
  }

  .fade-in,
  .slide-up,
  .slide-left,
  .slide-right,
  .scale-in {
    opacity: 1;
    transform: none;
  }
}


/* ==========================================================================
   21. Hero Section
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 160px 0 80px;
  overflow: hidden;
}

.hero-glow,
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-glow {
  top: -200px;
  height: 600px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.hero p,
.hero-sub {
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

.hero .btn-group {
  justify-content: center;
}

/* Hero background grid pattern */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 30, 46, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 30, 46, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, transparent 70%);
  pointer-events: none;
}

/* Hero floating badges (social proof) */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: radar-pulse 2s ease-in-out infinite;
}


/* ==========================================================================
   22. CTA Section
   ========================================================================== */

.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-md);
}

.cta-box p {
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
}

.cta-box .btn-group {
  position: relative;
  z-index: 1;
  justify-content: center;
}

@media (max-width: 768px) {
  .cta-box {
    padding: var(--space-2xl);
  }
}


/* ==========================================================================
   23. Badges & Tags
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.2rem 0.6rem;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.badge-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.badge-warning {
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-warning);
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-info);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.3rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: default;
}


/* ==========================================================================
   24. Dividers & Separators
   ========================================================================== */

.divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  border: none;
  margin: var(--space-2xl) 0;
}

.divider-glow {
  background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.3), transparent);
}

.divider-label {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  color: var(--text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.divider-label::before,
.divider-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}


/* ==========================================================================
   25. Tooltip
   ========================================================================== */

.tooltip-wrapper {
  position: relative;
  display: inline-block;
}

.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 0.4rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-heading);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--bg-elevated);
}

.tooltip-wrapper:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}


/* ==========================================================================
   26. Progress Bar
   ========================================================================== */

.progress {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-sm {
  height: 4px;
}

.progress-lg {
  height: 12px;
}


/* ==========================================================================
   27. Avatar
   ========================================================================== */

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: var(--text-sm);
}

.avatar-sm { width: 32px; height: 32px; }
.avatar-lg { width: 56px; height: 56px; }
.avatar-xl { width: 72px; height: 72px; }

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--bg-body);
  margin-left: -8px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

.avatar-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg-body);
  background: var(--color-success);
}


/* ==========================================================================
   28. Dropdown
   ========================================================================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-heading);
}

.dropdown-item.active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--space-xs) 0;
}


/* ==========================================================================
   29. Tabs
   ========================================================================== */

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.tab {
  padding: 0.75rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
  border: none;
  background: transparent;
}

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

.tab.active {
  color: var(--color-primary);
}

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

.tab-content {
  padding: var(--space-xl) 0;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: tab-fade 0.3s ease;
}

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

/* Pill tabs variant */
.tabs-pills {
  display: flex;
  gap: var(--space-xs);
  border-bottom: none;
  background: rgba(255, 255, 255, 0.03);
  padding: 4px;
  border-radius: var(--radius-md);
  width: fit-content;
}

.tabs-pills .tab {
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
}

.tabs-pills .tab.active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
}

.tabs-pills .tab.active::after {
  display: none;
}


/* ==========================================================================
   30. Alert / Banner
   ========================================================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.alert-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--color-success);
}

.alert-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--color-error);
}

.alert-warning {
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.2);
  color: var(--color-warning);
}

.alert-info {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--color-info);
}

/* Top banner */
.banner {
  width: 100%;
  padding: 0.6rem var(--space-xl);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--gradient-primary);
  color: var(--text-inverse);
}

.banner a {
  text-decoration: underline;
  font-weight: 700;
}


/* ==========================================================================
   31. Logo Cloud / Social Proof
   ========================================================================== */

.logo-cloud {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3xl);
  opacity: 0.4;
  transition: opacity var(--transition-base);
}

.logo-cloud:hover {
  opacity: 0.65;
}

.logo-cloud img,
.logo-cloud svg {
  height: 28px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1) brightness(2);
}

.logo-cloud-label {
  width: 100%;
  text-align: center;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}


/* ==========================================================================
   32. Scroll Indicators
   ========================================================================== */

/* Scroll progress bar at top */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: calc(var(--z-navbar) + 1);
  transition: width 0.1s linear;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: var(--text-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast),
              transform var(--transition-fast), background var(--transition-fast),
              color var(--transition-fast);
  z-index: var(--z-sticky);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
  border-color: rgba(16, 185, 129, 0.3);
}


/* ==========================================================================
   33. Utility: Visibility & Display
   ========================================================================== */

.hidden { display: none !important; }
.invisible { visibility: hidden; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

.opacity-50 { opacity: 0.5; }
.opacity-70 { opacity: 0.7; }

/* Desktop/mobile visibility */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

@media (max-width: 1024px) {
  .hide-tablet { display: none !important; }
}


/* ==========================================================================
   34. Focus & Accessibility
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--text-inverse);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}