/* ==========================================
   AL RAFAY SCHOOL SYSTEM - GLOBAL STYLES
   ========================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ==========================================
   CSS VARIABLES & DESIGN TOKENS
   ========================================== */

:root {
  /* Primary Colors */
  --navy-dark: #1e3a8a;
  --navy-base: #2563eb;
  --navy-light: #3b82f6;

  /* Accent Colors */
  --green-light: #86efac;
  --green-base: #22c55e;
  --green-dark: #16a34a;

  --gold-light: #fbbf24;
  --gold-base: #f59e0b;
  --gold-dark: #d97706;

  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

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

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --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;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

ul,
ol {
  list-style: none;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy-dark);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
  font-size: 1.0625rem;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

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

@keyframes float {

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

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

@keyframes pulse {

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

  50% {
    transform: scale(1.1);
  }
}

@keyframes glow {

  0%,
  100% {
    box-shadow: 0 0 5px rgba(37, 99, 235, 0.3);
  }

  50% {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6), 0 0 30px rgba(34, 197, 94, 0.4);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3) translateY(50px);
  }

  50% {
    opacity: 1;
    transform: scale(1.05);
  }

  70% {
    transform: scale(0.9);
  }

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

@keyframes zoomInImage {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.15);
  }
}

@keyframes slideUpCaption {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

/* Animation Utility Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.slide-up {
  animation: slideUp 0.6s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}

.scale-in {
  animation: scaleIn 0.6s ease-out forwards;
}

/* Scroll Animation */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   LAYOUT COMPONENTS
   ========================================== */

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

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

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

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0rem;
  transition: opacity var(--transition-base);
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo img,
.nav-logo svg {
  height: 45px;
  width: auto;
}

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

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-base);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--navy-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--navy-dark);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--navy-base), var(--navy-dark));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: linear-gradient(135deg, var(--green-base), var(--green-dark));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--navy-base);
  color: var(--navy-base);
}

.btn-outline:hover {
  background: var(--navy-base);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-base), var(--gold-dark));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

/* ==========================================
   CARDS
   ========================================== */

.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.card-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-img {
  transform: scale(1.1);
}

.card-content {
  padding: var(--space-lg);
}

.card-title {
  font-size: 1.5rem;
  color: var(--navy-dark);
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--gray-600);
  line-height: 1.7;
}

/* Icon Cards */
.card-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(34, 197, 94, 0.05));
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.card-icon-img {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-md);
  transition: transform var(--transition-base);
}

.card-icon:hover .card-icon-img {
  transform: scale(1.15) rotate(5deg);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1a1a1a;
  overflow: hidden;
  margin-top: 70px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.2));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 900px;
  padding: var(--space-xl);
}

.hero-title {
  color: var(--white);
  margin-bottom: var(--space-md);
  animation: slideUp 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  color: var(--green-light);
  margin-bottom: var(--space-lg);
  font-weight: 300;
  animation: slideUp 1s ease-out 0.2s backwards;
}

.hero-text {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255, 255, 255, 0.9);
  animation: slideUp 1s ease-out 0.4s backwards;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: slideUp 1s ease-out 0.6s backwards;
}

/* ==========================================
   SECTION HEADERS
   ========================================== */

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

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--green-base), var(--gold-base));
  border-radius: var(--radius-full);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 700px;
  margin: var(--space-md) auto 0;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background: linear-gradient(135deg, var(--navy-dark), #0f172a);
  color: var(--white);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xs);
  display: block;
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: var(--green-light);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--green-base);
  transform: translateY(-3px);
}

/* ==========================================
   FORM ELEMENTS
   ========================================== */

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--navy-dark);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
  background: var(--white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--navy-base);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

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

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

.text-primary {
  color: var(--navy-base);
}

.text-green {
  color: var(--green-base);
}

.text-gold {
  color: var(--gold-base);
}

.bg-gradient {
  background: linear-gradient(135deg, var(--navy-base), var(--navy-dark));
  color: var(--white);
}

.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);
}

.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);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    transition: left var(--transition-base);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    margin-top: 70px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  .container,
  .container-wide {
    padding: 0 var(--space-sm);
  }
}

/* ==========================================
   LOADING ANIMATION
   ========================================== */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--navy-base);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ==========================================
   CONTACT PAGE SPECIFIC STYLES
   ========================================== */

/* Campus Gallery Section */
.campus-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.gallery-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.gallery-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.15);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(30, 58, 138, 0.9), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-caption {
  color: var(--white);
  font-weight: 600;
  font-size: 1.125rem;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
  animation: slideUpCaption 0.4s ease-out;
}

/* Contact Cards with Enhanced Animations */
.contact-card {
  position: relative;
  transition: all var(--transition-base);
  animation: bounceIn 0.6s ease-out backwards;
}

.contact-card:nth-child(1) {
  animation-delay: 0.1s;
}

.contact-card:nth-child(2) {
  animation-delay: 0.2s;
}

.contact-card:nth-child(3) {
  animation-delay: 0.3s;
}

.contact-card:nth-child(4) {
  animation-delay: 0.4s;
}

.contact-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
  animation: glow 2s ease-in-out infinite;
}

.contact-card .contact-icon {
  display: inline-block;
  transition: transform var(--transition-base);
}

.contact-card:hover .contact-icon {
  animation: pulse 1s ease-in-out infinite;
}

/* Form Enhanced Animations */
.contact-form .form-input:focus,
.contact-form .form-textarea:focus,
.contact-form .form-select:focus {
  transform: translateY(-2px);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), 0 4px 12px rgba(37, 99, 235, 0.15);
}

/* Submit Button Ripple Effect */
.btn-submit {
  position: relative;
  overflow: hidden;
}

.btn-submit::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-submit:active::after {
  width: 300px;
  height: 300px;
}

/* Staggered Scroll Animations for Contact Page */
.animate-on-scroll.stagger-1 {
  transition-delay: 0.1s;
}

.animate-on-scroll.stagger-2 {
  transition-delay: 0.2s;
}

.animate-on-scroll.stagger-3 {
  transition-delay: 0.3s;
}

.animate-on-scroll.stagger-4 {
  transition-delay: 0.4s;
}

/* ==========================================
   WHATSAPP FLOATING BUTTON
   ========================================== */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  animation: float 3s ease-in-out infinite;
}

.whatsapp-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.whatsapp-button::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;
}

.whatsapp-button:hover::before {
  width: 100px;
  height: 100px;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-icon {
  width: 32px;
  height: 32px;
  fill: white;
  position: relative;
  z-index: 1;
}

.whatsapp-text {
  position: absolute;
  right: 75px;
  background: white;
  color: var(--gray-900);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.9375rem;
  opacity: 0;
  transform: translateX(20px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-text {
  opacity: 1;
  transform: translateX(0);
}

/* Pulse animation for attention */
@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }

  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.whatsapp-button::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  border: 3px solid #25D366;
  animation: pulse-ring 2s ease-out infinite;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
  }

  .whatsapp-button {
    width: 55px;
    height: 55px;
  }

  .whatsapp-icon {
    width: 28px;
    height: 28px;
  }

  .whatsapp-text {
    display: none;
  }
}