/* ===================================
   Visita247 Marketing Site - Consolidated Stylesheet
   Sections: Design Tokens | Reset | Layout & Typography | Components | Animations
   =================================== */

/* ===================================
   1. DESIGN TOKENS
   =================================== */

:root {
  /* Primary Colors - Blue (Trust & Technology) */
  --color-blue-50: #eff6ff;
  --color-blue-100: #dbeafe;
  --color-blue-200: #bfdbfe;
  --color-blue-300: #93c5fd;
  --color-blue-400: #60a5fa;
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;
  --color-blue-700: #1d4ed8;
  --color-blue-800: #1e40af;
  --color-blue-900: #1e3a8a;

  /* Secondary Colors - Cyan (Innovation & Clarity) */
  --color-cyan-50: #ecfeff;
  --color-cyan-100: #cffafe;
  --color-cyan-200: #a5f3fc;
  --color-cyan-300: #67e8f9;
  --color-cyan-400: #22d3ee;
  --color-cyan-500: #06b6d4;
  --color-cyan-600: #0891b2;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Dark Colors */
  --color-dark-50: #f8fafc;
  --color-dark-100: #f1f5f9;
  --color-dark-200: #e2e8f0;
  --color-dark-300: #cbd5e1;
  --color-dark-400: #94a3b8;
  --color-dark-500: #64748b;
  --color-dark-600: #475569;
  --color-dark-700: #334155;
  --color-dark-800: #1e293b;
  --color-dark-900: #0f172a;

  /* Semantic Colors */
  --color-green-50: #f0fdf4;
  --color-green-100: #dcfce7;
  --color-green-300: #86efac;
  --color-green-400: #4ade80;
  --color-green-500: #22c55e;
  --color-green-600: #16a34a;
  --color-green-700: #15803d;

  --color-red-50: #fef2f2;
  --color-red-500: #ef4444;
  --color-red-600: #dc2626;

  --color-purple-500: #a855f7;
  --color-purple-600: #9333ea;

  --color-orange-500: #f97316;
  --color-orange-600: #ea580c;

  /* Gradients */
  --gradient-primary: linear-gradient(to right, var(--color-blue-600), var(--color-cyan-500));
  --gradient-hero: linear-gradient(to bottom right, var(--color-blue-50), var(--color-white), var(--color-cyan-50));
  --gradient-cta: linear-gradient(to bottom right, var(--color-blue-600), var(--color-cyan-600));
  --gradient-dark: linear-gradient(135deg, var(--color-dark-800), var(--color-dark-900));

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  --text-5xl: 3rem;       /* 48px */
  --text-6xl: 3.75rem;    /* 60px */
  --text-7xl: 4.5rem;     /* 72px */

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Spacing */
  --space-1: 0.25rem;     /* 4px */
  --space-2: 0.5rem;      /* 8px */
  --space-3: 0.75rem;     /* 12px */
  --space-4: 1rem;        /* 16px */
  --space-5: 1.25rem;     /* 20px */
  --space-6: 1.5rem;      /* 24px */
  --space-8: 2rem;        /* 32px */
  --space-10: 2.5rem;     /* 40px */
  --space-12: 3rem;       /* 48px */
  --space-16: 4rem;       /* 64px */
  --space-20: 5rem;       /* 80px */
  --space-24: 6rem;       /* 96px */
  --space-32: 8rem;       /* 128px */

  /* Border Radius */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-modal: 40;
  --z-tooltip: 50;

  /* Container */
  --container-max-width: 1280px;
  --container-padding: 1rem;
}

/* Responsive Container Padding */
@media (min-width: 768px) {
  :root {
    --container-padding: 1.5rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: 2rem;
  }
}


/* ===================================
   2. CSS RESET
   =================================== */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: var(--leading-relaxed);
  font-family: var(--font-sans);
  color: var(--color-gray-900);
  background-color: var(--color-white);
}

/* Remove default styling */
ul, ol {
  list-style: none;
}

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

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

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

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

/* Remove tap highlight on mobile */
a, button {
  -webkit-tap-highlight-color: transparent;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus visible */
:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--color-blue-600);
  outline-offset: 2px;
}


/* ===================================
   3. LAYOUT & TYPOGRAPHY
   =================================== */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--text-4xl);
}

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

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
}

.lead {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
}

strong {
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
}

a {
  color: var(--color-blue-600);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-blue-700);
}

/* Responsive Typography */
@media (min-width: 768px) {
  h1 {
    font-size: var(--text-6xl);
  }
  h2 {
    font-size: var(--text-4xl);
  }
  h3 {
    font-size: var(--text-3xl);
  }
  h4 {
    font-size: var(--text-2xl);
  }
  p {
    font-size: var(--text-lg);
  }
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Sections */
.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section.bg-light {
  background-color: var(--color-gray-50);
}

.section.bg-dark {
  background-color: var(--color-dark-900);
  color: var(--color-white);
}

.section.bg-dark h1,
.section.bg-dark h2,
.section.bg-dark h3 {
  color: var(--color-white);
}

.section.bg-dark p {
  color: var(--color-gray-300);
}

section {
  padding: var(--space-20) 0;
}

@media (max-width: 768px) {
  section {
    padding: var(--space-12) 0;
  }
}

/* Section Fade Animation */
section {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

section.section-fade-out {
  opacity: 0;
  transform: translateY(20px);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--space-8);
}

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

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

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

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

@media (max-width: 768px) {
  .lg\:grid-cols-4,
  .lg\:grid-cols-3,
  .lg\:grid-cols-2,
  .md\:grid-cols-4,
  .md\:grid-cols-3,
  .md\:grid-cols-2 {
    grid-template-columns: repeat(1, 1fr);
  }
}

/* Flex Utilities */
.flex {
  display: flex;
}

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

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

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

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

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

/* Spacing Utilities */
.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.mb-16 {
  margin-bottom: var(--space-16);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mt-16 {
  margin-top: var(--space-16);
}

/* Text Alignment */
.text-center {
  text-align: center;
}

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

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

/* Max Width Utilities */
.max-w-4xl {
  max-width: 56rem;
}

.max-w-5xl {
  max-width: 64rem;
}

.max-w-6xl {
  max-width: 72rem;
}

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

/* Background Gradients */
.bg-gradient-hero {
  background: var(--gradient-hero);
}

.bg-gradient-primary {
  background: var(--gradient-primary);
}

.bg-gradient-cta {
  background: var(--gradient-cta);
}

/* Smooth Transitions */
* {
  transition: color var(--transition-base),
              background-color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-base),
              opacity var(--transition-base);
}


/* ===================================
   4. COMPONENTS
   =================================== */

/* ===================================
   Header / Navigation
   =================================== */

header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  transition: all var(--transition-base);
}

header.scrolled {
  box-shadow: var(--shadow-md);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  padding: 0 var(--container-padding);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-blue-600);
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  position: relative;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-gray-600);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.nav-link:hover {
  color: var(--color-blue-600);
  background: var(--color-blue-50);
}

.nav-link.active {
  color: var(--color-blue-600);
  background: var(--color-blue-100);
}

.nav-link:focus,
.nav-link:focus-visible {
  outline: none;
}

/* ===================================
   Mobile Menu
   =================================== */

.mobile-menu-button {
  display: none;
  padding: var(--space-2);
  color: var(--color-gray-900);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
}

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

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-gray-600);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-blue-600);
  background: var(--color-blue-50);
}

.mobile-nav-link.active {
  color: var(--color-blue-600);
  background: var(--color-blue-100);
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .mobile-menu-button {
    display: block;
  }
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--color-white);
  color: var(--color-blue-600);
  border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
  border-color: var(--color-blue-300);
  background: var(--color-gray-50);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* ===================================
   Cards
   =================================== */

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-blue-300);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-white);
  font-size: 28px;
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.card-description {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

/* ===================================
   Badges
   =================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
}

.badge-blue {
  background: var(--color-blue-100);
  color: var(--color-blue-700);
}

.badge-green {
  background: var(--color-green-100);
  color: var(--color-green-700);
}

/* ===================================
   Check List
   =================================== */

.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-gray-600);
}

.check-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-green-500);
}

/* ===================================
   Footer
   =================================== */

footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-12) 0;
}

footer h3 {
  color: var(--color-white);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

footer a {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--color-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand {
  grid-column: span 2;
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

@media (max-width: 768px) {
  .footer-brand {
    grid-column: span 1;
  }
}

/* ===================================
   Social Links
   =================================== */

.social-links {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--color-white);
}

/* ===================================
   Form Elements
   =================================== */

input, textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}

input:focus, textarea:focus {
  border-color: var(--color-blue-500);
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-700);
}

.form-group {
  margin-bottom: var(--space-6);
}

/* ===================================
   Scroll to Top Button
   =================================== */

.scroll-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
}

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

.scroll-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}


/* ===================================
   5. ANIMATIONS
   =================================== */

/* ===================================
   Fade Animations
   =================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ===================================
   Slide Animations
   =================================== */

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.8s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-down {
  animation: slideDown 0.6s ease-out;
}

/* ===================================
   Scale Animations
   =================================== */

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.scale-in {
  animation: scaleIn 0.8s ease-out;
}

/* ===================================
   Continuous Animations
   =================================== */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-animate {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

/* ===================================
   Hover Effects
   =================================== */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* ===================================
   Icon & Arrow Animations
   =================================== */

.icon-bounce {
  transition: transform var(--transition-fast);
}

.icon-bounce:hover {
  animation: bounce 0.6s;
}

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

.arrow-slide {
  transition: transform var(--transition-base);
}

.btn:hover .arrow-slide {
  transform: translateX(4px);
}

/* ===================================
   Stagger Animation (for lists/grids)
   =================================== */

.stagger-item {
  opacity: 0;
  animation: slideUp 0.8s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* ===================================
   Loading Spinner
   =================================== */

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

.spinner {
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-blue-600);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 0.8s linear infinite;
}

/* ===================================
   Page Transitions
   =================================== */

body {
  animation: fadeIn 0.5s ease-out;
}

/* ===================================
   Accessibility: Reduced Motion
   =================================== */

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