/*
 * YFC Nigeria - Modern UI/UX Enhancements
 * Custom CSS for modern design, animations, and interactions
 */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Primary Colors - YFC Brand */
  --yfc-primary: #dd3d26;
  --yfc-primary-light: #ff5a42;
  --yfc-primary-dark: #b32818;
  --yfc-secondary: #2c3e50;
  --yfc-accent: #f39c12;

  /* Modern Color Palette */
  --color-bg-light: #ffffff;
  --color-bg-dark: #1a1a2e;
  --color-text-primary: #2c3e50;
  --color-text-secondary: #7f8c8d;
  --color-text-light: #ffffff;

  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #dd3d26 0%, #ff5a42 100%);
  --gradient-secondary: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  --gradient-accent: linear-gradient(135deg, #f39c12 0%, #f1c40f 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(221, 61, 38, 0.9) 0%, rgba(255, 90, 66, 0.9) 100%);
  --gradient-overlay-dark: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(221, 61, 38, 0.3);
  --shadow-glow-hover: 0 0 30px rgba(221, 61, 38, 0.5);

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

  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

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

  /* Animation Timing */
  --transition-fast: 150ms;
  --transition-base: 300ms;
  --transition-slow: 500ms;
  --transition-slower: 700ms;
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   SMOOTH SCROLL BEHAVIOR
   ============================================ */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   MODERN UTILITY CLASSES
   ============================================ */

/* Glassmorphism Effect */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
}

.glass-effect-dark {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gradient Backgrounds */
.bg-gradient-primary {
  background: var(--gradient-primary);
}

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

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

/* Modern Card Styles */
.modern-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base) var(--ease-out);
  overflow: hidden;
}

.modern-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

/* Hover Effects */
.hover-scale {
  transition: transform var(--transition-base) var(--ease-out);
}

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

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

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-glow {
  transition: box-shadow var(--transition-base) var(--ease-out);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow-hover);
}

/* Image Zoom on Hover */
.image-zoom-container {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.image-zoom {
  transition: transform var(--transition-slower) var(--ease-out);
  will-change: transform;
}

.image-zoom-container:hover .image-zoom {
  transform: scale(1.1);
}

/* ============================================
   ANIMATIONS & KEYFRAMES
   ============================================ */

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) var(--ease-out);
}

/* Slide Up */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slide-up {
  animation: slideUp var(--transition-slow) var(--ease-out);
}

/* Slide In From Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-slide-in-left {
  animation: slideInLeft var(--transition-slow) var(--ease-out);
}

/* Slide In From Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-slide-in-right {
  animation: slideInRight var(--transition-slow) var(--ease-out);
}

/* Scale In */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-scale-in {
  animation: scaleIn var(--transition-slow) var(--ease-out);
}

/* Pulse */
@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.animate-pulse {
  animation: pulse 2s var(--ease-in-out) infinite;
}

/* Bounce */
@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.animate-bounce {
  animation: bounce 1s var(--ease-bounce) infinite;
}

/* Rotate */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.animate-rotate {
  animation: rotate 2s linear infinite;
}

/* Shimmer Loading Effect */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }

  100% {
    background-position: 1000px 0;
  }
}

.shimmer {
  background: linear-gradient(90deg,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 0.3) 50%,
      rgba(255, 255, 255, 0) 100%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* Ken Burns Effect (for hero images) */
@keyframes kenBurns {
  0% {
    transform: scale(1) translateX(0) translateY(0);
  }

  100% {
    transform: scale(1.1) translateX(-5%) translateY(-5%);
  }
}

.ken-burns {
  animation: kenBurns 20s ease-in-out infinite alternate;
}

/* ============================================
   BUTTON ENHANCEMENTS
   ============================================ */

.btn-modern {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-full);
  padding: 0.75rem 2rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition-base) var(--ease-out);
  box-shadow: var(--shadow-md);
}

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

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

/* Ripple Effect */
.btn-modern::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-modern:active::before {
  width: 300px;
  height: 300px;
}

/* Gradient Button */
.btn-gradient {
  background: var(--gradient-primary);
  border: none;
  color: white;
  position: relative;
  z-index: 1;
}

.btn-gradient::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #ff5a42 0%, #dd3d26 100%);
  opacity: 0;
  transition: opacity var(--transition-base) var(--ease-out);
  z-index: -1;
  border-radius: inherit;
}

.btn-gradient:hover::after {
  opacity: 1;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */

.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base) var(--ease-out);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

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

.scroll-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-hover);
}

/* ============================================
   ENHANCED FORM INPUTS
   ============================================ */

.modern-input {
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  transition: all var(--transition-base) var(--ease-out);
  background: white;
}

.modern-input:focus {
  outline: none;
  border-color: var(--yfc-primary);
  box-shadow: 0 0 0 3px rgba(221, 61, 38, 0.1);
  transform: translateY(-2px);
}

.modern-input::placeholder {
  color: var(--color-text-secondary);
  transition: opacity var(--transition-base) var(--ease-out);
}

.modern-input:focus::placeholder {
  opacity: 0.5;
}

/* Floating Label Effect */
.input-group-modern {
  position: relative;
  margin-bottom: 1.5rem;
}

.input-group-modern input,
.input-group-modern textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: all var(--transition-base) var(--ease-out);
}

.input-group-modern label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  pointer-events: none;
  transition: all var(--transition-base) var(--ease-out);
  background: white;
  padding: 0 0.25rem;
}

.input-group-modern input:focus,
.input-group-modern textarea:focus {
  outline: none;
  border-color: var(--yfc-primary);
  box-shadow: 0 0 0 3px rgba(221, 61, 38, 0.1);
}

.input-group-modern input:focus+label,
.input-group-modern input:not(:placeholder-shown)+label,
.input-group-modern textarea:focus+label,
.input-group-modern textarea:not(:placeholder-shown)+label {
  top: -0.5rem;
  left: 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--yfc-primary);
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(221, 61, 38, 0.2);
  border-top-color: var(--yfc-primary);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

/* ============================================
   ENHANCED SECTIONS
   ============================================ */

/* Ministry Cards Enhancement */
.icon-box.service-item {
  transition: all var(--transition-base) var(--ease-out);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.icon-box.service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  opacity: 0;
  transition: opacity var(--transition-base) var(--ease-out);
  z-index: 0;
}

.icon-box.service-item:hover::before {
  opacity: 0.05;
}

.icon-box.service-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.icon-box.service-item .fi {
  transition: transform var(--transition-base) var(--ease-bounce);
}

.icon-box.service-item:hover .fi {
  transform: scale(1.1) rotate(5deg);
}

/* Team Member Cards Enhancement */
.team-item {
  transition: all var(--transition-base) var(--ease-out);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.team-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.team-item .item-media img {
  transition: transform var(--transition-slower) var(--ease-out);
}

.team-item:hover .item-media img {
  transform: scale(1.1);
}

/* Blog Card Enhancement */
.vertical-item.box-shadow {
  transition: all var(--transition-base) var(--ease-out);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.vertical-item.box-shadow:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.vertical-item .item-media img {
  transition: transform var(--transition-slower) var(--ease-out);
}

.vertical-item:hover .item-media img {
  transform: scale(1.1);
}

/* Counter Animation Preparation */
.counter {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--yfc-primary);
  display: inline-block;
}

/* ============================================
   PARALLAX SECTIONS
   ============================================ */

.parallax-section {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

.parallax-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay-dark);
  z-index: 1;
}

.parallax-section>* {
  position: relative;
  z-index: 2;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 1.75rem;
    --font-size-4xl: 2rem;
  }

  .scroll-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* GPU Acceleration for animations */
.modern-card,
.hover-scale,
.hover-lift,
.image-zoom,
.btn-modern,
.icon-box.service-item,
.team-item,
.vertical-item {
  will-change: transform;
}

/* Reduce animations on low-end devices */
@media (prefers-reduced-motion: reduce) {

  .animate-fade-in,
  .animate-slide-up,
  .animate-slide-in-left,
  .animate-slide-in-right,
  .animate-scale-in,
  .animate-pulse,
  .animate-bounce,
  .ken-burns {
    animation: none !important;
  }
}