/* CSS Variables */
:root {
  --background: hsl(0, 0%, 0%);
  --foreground: hsl(0, 0%, 100%);
  --card: hsl(0, 0%, 5%);
  --card-foreground: hsl(0, 0%, 100%);
  --muted: hsl(0, 0%, 15%);
  --muted-foreground: hsl(0, 0%, 55%);
  --border: hsl(0, 0%, 15%);
  --teal: hsl(168, 60%, 50%);
  --gold: hsl(38, 70%, 55%);
  --whatsapp: hsl(142, 70%, 45%);
  /*--gradient-text: linear-gradient(90deg, hsl(168, 60%, 50%), hsl(38, 70%, 55%));*/
  --gradient-text: linear-gradient(90deg, hsl(200.9deg 87.89% 46.32%), hsl(142.25deg 76.43% 39.51%));
  --gradient-hero: linear-gradient(135deg, hsl(168, 60%, 40%), hsl(38, 70%, 50%));
  --radius: 0.5rem;
}

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

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-whatsapp {
  background-color: var(--whatsapp);
  color: white;
}

.btn-whatsapp:hover {
  background-color: hsl(142, 70%, 40%);
  transform: translateY(-2px);
}

.btn-register {
  background-color: var(--foreground);
  color: var(--background);
}

.btn-register:hover {
  background-color: hsl(0, 0%, 90%);
}

.whatsapp-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
  pointer-events: none;
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--foreground);
}

.logo-img {
  height: 4.5rem;
  width: auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
}

.nav-links {
  display: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-text);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--foreground);
}

.nav-links a:hover::after {
  width: 100%;
}

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

/* Mobile Menu */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--foreground);
  transition: all 0.3s;
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.menu-icon::before {
  top: -7px;
}

.menu-icon::after {
  top: 7px;
}

.mobile-menu-btn.active .menu-icon {
  background-color: transparent;
}

.mobile-menu-btn.active .menu-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-menu-btn.active .menu-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.mobile-menu a {
  padding: 1rem 0;
  color: var(--muted-foreground);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.mobile-menu a::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-text);
  transition: width 0.3s ease;
}

.mobile-menu a:hover {
  color: var(--foreground);
  padding-left: 1rem;
}

.mobile-menu a:hover::before {
  width: 4px;
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 4rem;
  overflow: hidden;
}

/* Multiple Gradient Layers */
.hero-gradient {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  max-width: 1000px;
  height: 600px;
  background: radial-gradient(circle, hsl(168, 60%, 50%) 0%, transparent 70%);
  opacity: 0.2;
  filter: blur(120px);
  border-radius: 50%;
  animation: gradientFloat 20s ease-in-out infinite;
}

.hero-gradient-2 {
  position: absolute;
  top: 30%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, hsl(38, 70%, 55%) 0%, transparent 70%);
  opacity: 0.15;
  filter: blur(100px);
  border-radius: 50%;
  animation: gradientFloat 25s ease-in-out infinite reverse;
}

.hero-gradient-3 {
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, hsl(142, 70%, 45%) 0%, transparent 70%);
  opacity: 0.1;
  filter: blur(90px);
  border-radius: 50%;
  animation: gradientFloat 30s ease-in-out infinite;
}

@keyframes gradientFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

/* Animated Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--teal);
  border-radius: 50%;
  opacity: 0.6;
  animation: particleFloat 15s infinite ease-in-out;
}

.particle:nth-child(1) {
  left: 10%;
  top: 20%;
  animation-delay: 0s;
  background: var(--teal);
}

.particle:nth-child(2) {
  left: 80%;
  top: 30%;
  animation-delay: 2s;
  background: var(--gold);
}

.particle:nth-child(3) {
  left: 20%;
  top: 70%;
  animation-delay: 4s;
  background: var(--teal);
}

.particle:nth-child(4) {
  left: 70%;
  top: 60%;
  animation-delay: 1s;
  background: var(--gold);
}

.particle:nth-child(5) {
  left: 50%;
  top: 10%;
  animation-delay: 3s;
  background: var(--whatsapp);
}

.particle:nth-child(6) {
  left: 30%;
  top: 80%;
  animation-delay: 5s;
  background: var(--teal);
}

.particle:nth-child(7) {
  left: 90%;
  top: 50%;
  animation-delay: 2.5s;
  background: var(--gold);
}

.particle:nth-child(8) {
  left: 5%;
  top: 50%;
  animation-delay: 4.5s;
  background: var(--whatsapp);
}

@keyframes particleFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(50px, -100px) scale(1.5);
    opacity: 1;
  }
}

/* Floating Shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  opacity: 0.05;
  filter: blur(40px);
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--teal);
  top: 10%;
  right: 10%;
  animation: shapeRotate 20s infinite ease-in-out;
}

.shape-2 {
  width: 250px;
  height: 250px;
  background: var(--gold);
  bottom: 15%;
  left: 15%;
  animation: shapeRotate 25s infinite ease-in-out reverse;
}

.shape-3 {
  width: 200px;
  height: 200px;
  background: var(--whatsapp);
  top: 60%;
  right: 20%;
  animation: shapeRotate 30s infinite ease-in-out;
}

@keyframes shapeRotate {
  0%, 100% {
    transform: rotate(0deg) translate(0, 0);
  }
  33% {
    transform: rotate(120deg) translate(30px, -30px);
  }
  66% {
    transform: rotate(240deg) translate(-30px, 30px);
  }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 1rem;
  animation: fadeInUp 1s ease-out;
}

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

/* Hero Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--teal);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

.hero-tagline {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0;
  font-weight: 500;
}

/* Enhanced Hero Title */
.hero-title {
  font-size: clamp(3rem, 10vw, 6.5rem);
  margin-bottom: 2rem;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.title-line {
  display: block;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.title-line:nth-child(2) {
  animation-delay: 0.6s;
}

.hero-description {
  color: var(--muted-foreground);
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 650px;
  margin: 0 auto 3rem;
  line-height: 1.8;
  animation: fadeInUp 1s ease-out 0.8s both;
}

/* Enhanced CTA Button */
.hero-cta {
  margin-bottom: 4rem;
  animation: fadeInUp 1s ease-out 1s both;
}

.btn-whatsapp {
  position: relative;
  background: linear-gradient(135deg, var(--whatsapp), hsl(142, 70%, 40%));
  color: white;
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 
    0 10px 30px rgba(37, 211, 102, 0.3),
    0 0 0 0 rgba(37, 211, 102, 0.5);
  transition: all 0.3s ease;
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 
    0 15px 40px rgba(37, 211, 102, 0.4),
    0 0 0 4px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:active {
  transform: translateY(-1px);
}

.btn-glow {
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--whatsapp), hsl(142, 70%, 40%));
  border-radius: 50px;
  opacity: 0;
  filter: blur(20px);
  transition: opacity 0.3s ease;
  z-index: -1;
}

.btn-whatsapp:hover .btn-glow {
  opacity: 0.6;
  animation: glowPulse 2s infinite;
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.btn-whatsapp svg {
  width: 1.5rem;
  height: 1.5rem;
  transition: transform 0.3s ease;
}

.btn-whatsapp:hover svg {
  transform: scale(1.1) rotate(5deg);
}

/* Stats Section */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  animation: fadeInUp 1s ease-out 1.2s both;
}

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

.stat-number {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* Enhanced WhatsApp 3D Icon */
.whatsapp-3d {
  margin-top: 4rem;
  animation: fadeInUp 1s ease-out 1.4s both;
}

.whatsapp-3d-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--whatsapp), hsl(142, 70%, 40%));
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: perspective(500px) rotateY(-15deg) rotateX(10deg);
  box-shadow: 
    0 25px 50px rgba(37, 211, 102, 0.4),
    0 0 80px rgba(37, 211, 102, 0.3),
    inset 0 0 30px rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  animation: iconFloat 3s ease-in-out infinite;
}

.whatsapp-3d-icon:hover {
  transform: perspective(500px) rotateY(0deg) rotateX(0deg) scale(1.1);
  box-shadow: 
    0 30px 60px rgba(37, 211, 102, 0.5),
    0 0 100px rgba(37, 211, 102, 0.4),
    inset 0 0 40px rgba(255, 255, 255, 0.15);
}


.register-btn-div {
  margin-top: 80px;
  /* box-sizing: border-box; 
  border: 2px solid white;*/
}

.register-btn {
  /* margin-top: 80px;
  box-sizing: border-box; */
  border: 1px solid white;
  position: relative;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 0 0 rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

@keyframes iconFloat {
  0%, 100% {
    transform: perspective(500px) rotateY(-15deg) rotateX(10deg) translateY(0);
  }
  50% {
    transform: perspective(500px) rotateY(-15deg) rotateX(10deg) translateY(-10px);
  }
}

.whatsapp-3d-icon svg {
  width: 50px;
  height: 50px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Section Styles */
section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.section-tagline {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 1rem;
  font-weight: 600;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.section-title {
  font-size: clamp(1.875rem, 5vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.section-title-light {
  font-size: clamp(1.875rem, 5vw, 3rem);
  text-align: center;
  margin-bottom: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: rgba(0, 0, 0, 0.9);
}

/* How It Works */
.how-it-works {
  background-color: var(--background);
  position: relative;
}

.how-it-works::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(circle, hsl(168, 60%, 50%) 0%, transparent 70%);
  opacity: 0.05;
  filter: blur(100px);
  border-radius: 50%;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.step {
  text-align: center;
  padding: 2.5rem 2rem;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
  position: relative;
  overflow: hidden;
}

.step:nth-child(1) {
  animation-delay: 0.3s;
}

.step:nth-child(2) {
  animation-delay: 0.5s;
}

.step:nth-child(3) {
  animation-delay: 0.7s;
}

.step::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(168, 60%, 50%, 0.1), rgba(38, 70%, 55%, 0.1));
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 1.5rem;
}

.step:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

.step:hover::before {
  opacity: 1;
}

.step-number {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  line-height: 1;
  position: relative;
  display: inline-block;
}

.step-number::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--gradient-text);
  border-radius: 2px;
  opacity: 0.5;
}

.step-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.step-description {
  color: var(--muted-foreground);
  line-height: 1.8;
  font-size: 1rem;
}

.quote {
  text-align: center;
  color: var(--muted-foreground);
  font-size: 1.25rem;
  font-style: italic;
  margin-top: 5rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.9s forwards;
}

.quote::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--teal);
  opacity: 0.3;
  font-family: serif;
}

/* WhatsApp Demo */
.whatsapp-demo {
  background-color: var(--background);
  border-top: 1px solid var(--border);
  position: relative;
}

.whatsapp-demo::before {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, hsl(142, 70%, 45%) 0%, transparent 70%);
  opacity: 0.05;
  filter: blur(100px);
  border-radius: 50%;
}

.phone-frame {
  max-width: 400px;
  margin: 0 auto;
  background: linear-gradient(135deg, #111B21 0%, #0B141A 100%);
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: 
    0 30px 60px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 0 60px rgba(37, 211, 102, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.4s forwards, phoneFloat 6s ease-in-out 1.2s infinite;
  transform: perspective(1000px) rotateX(5deg);
}

@keyframes phoneFloat {
  0%, 100% {
    transform: perspective(1000px) rotateX(5deg) translateY(0);
  }
  50% {
    transform: perspective(1000px) rotateX(5deg) translateY(-10px);
  }
}

.phone-frame::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--teal), var(--gold), var(--whatsapp));
  border-radius: 2rem;
  opacity: 0.3;
  z-index: -1;
  filter: blur(20px);
  animation: gradientRotate 8s linear infinite;
}

@keyframes gradientRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.phone-header {
  background-color: #202C33;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.phone-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--background);
  overflow: hidden;
}

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

.phone-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
}

.phone-status {
  font-size: 0.75rem;
  color: var(--teal);
}

.chat-area {
  background-color: #0B141A;
  padding: 1rem;
  min-height: 400px;
  max-height: 500px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.message {
  max-width: 85%;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  position: relative;
}

.user-message {
  background-color: #005C4B;
  align-self: flex-end;
  border-bottom-right-radius: 0.25rem;
}

.zai-message {
  background-color: #202C33;
  align-self: flex-start;
  border-bottom-left-radius: 0.25rem;
}

.message p {
  font-size: 0.875rem;
  line-height: 1.5;
  color: white;
}

.message-time {
  display: block;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: right;
  margin-top: 0.25rem;
}

.phone-input {
  background-color: #202C33;
  padding: 0.75rem 1rem;
}

.phone-input input {
  width: 100%;
  background-color: #2A3942;
  border: none;
  border-radius: 1.5rem;
  padding: 0.75rem 1rem;
  color: white;
  font-size: 0.875rem;
}

.phone-input input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

/* Why Zailoq */
.why-zailoq {
  background-color: var(--background);
  border-top: 1px solid var(--border);
  position: relative;
}

.why-zailoq::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, hsl(38, 70%, 55%) 0%, transparent 70%);
  opacity: 0.05;
  filter: blur(100px);
  border-radius: 50%;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.feature-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.2s; }
.feature-card:nth-child(2) { animation-delay: 0.3s; }
.feature-card:nth-child(3) { animation-delay: 0.4s; }
.feature-card:nth-child(4) { animation-delay: 0.5s; }
.feature-card:nth-child(5) { animation-delay: 0.6s; }
.feature-card:nth-child(6) { animation-delay: 0.7s; }

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(168, 60%, 50%, 0.1), rgba(38, 70%, 55%, 0.1));
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 1.25rem;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 0 60px rgba(168, 60%, 50%, 0.1);
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.feature-card:hover .feature-icon {
  transform: scale(1.2) rotate(5deg);
}

.whatsapp-icon-feature {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--whatsapp);
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.1), rgba(37, 211, 102, 0.05));
  border-radius: 1rem;
  padding: 0.75rem;
  box-shadow: 
    0 4px 12px rgba(37, 211, 102, 0.2),
    inset 0 0 20px rgba(37, 211, 102, 0.1);
}

.whatsapp-icon-feature svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 4px rgba(37, 211, 102, 0.4));
}

.feature-card:hover .whatsapp-icon-feature {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.2), rgba(37, 211, 102, 0.1));
  box-shadow: 
    0 8px 20px rgba(37, 211, 102, 0.3),
    inset 0 0 30px rgba(37, 211, 102, 0.15);
  transform: scale(1.2) rotate(5deg);
}

.feature-card:hover .whatsapp-icon-feature svg {
  filter: drop-shadow(0 4px 8px rgba(37, 211, 102, 0.6));
}

.feature-title {
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature-description {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* Who Benefits */
.who-benefits {
  background-color: var(--background);
  border-top: 1px solid var(--border);
  position: relative;
}

.who-benefits::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1000px;
  height: 500px;
  background: radial-gradient(ellipse, hsl(168, 60%, 50%) 0%, transparent 70%);
  opacity: 0.05;
  filter: blur(120px);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.benefit-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  padding: 2.5rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.benefit-card:nth-child(1) {
  animation-delay: 0.3s;
}

.benefit-card:nth-child(2) {
  animation-delay: 0.5s;
}

.benefit-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(168, 60%, 50%, 0.1), rgba(38, 70%, 55%, 0.1));
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 1.5rem;
}

.benefit-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

.benefit-card:hover::before {
  opacity: 1;
}

.benefit-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

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

.benefit-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.benefit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.benefit-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
  position: relative;
  padding-left: 1rem;
}

.benefit-list li::before {
  content: '';
  position: absolute;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-text);
  transition: width 0.3s ease;
}

.benefit-card:hover .benefit-list li::before {
  width: 4px;
}

.benefit-card:hover .benefit-list li {
  padding-left: 1.5rem;
  color: var(--foreground);
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 10px currentColor;
  transition: transform 0.3s ease;
}

.benefit-card:hover .dot {
  transform: scale(1.3);
}

.dot.teal {
  background-color: var(--teal);
  box-shadow: 0 0 15px var(--teal);
}

.dot.gold {
  background-color: var(--gold);
  box-shadow: 0 0 15px var(--gold);
}

/* Donor Registration */
.donor-registration {
  position: relative;
  padding: 8rem 0;
  overflow: hidden;
}

.registration-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, hsl(168, 60%, 45%), hsl(38, 70%, 55%));
  animation: gradientShift 10s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% {
    background: linear-gradient(135deg, hsl(168, 60%, 45%), hsl(38, 70%, 55%));
  }
  50% {
    background: linear-gradient(135deg, hsl(38, 70%, 55%), hsl(168, 60%, 45%));
  }
}

.registration-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: shimmer 8s ease-in-out infinite;
}

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

.registration-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.section-tagline {
  color: rgba(0, 0, 0, 0.6);
  font-weight: 600;
}

.registration-description {
  color: rgba(0, 0, 0, 0.8);
  font-size: 1.25rem;
  margin-bottom: 3rem;
  line-height: 1.8;
  font-weight: 500;
}

.btn-register {
  position: relative;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.3),
    0 0 0 0 rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.btn-register::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
  border-radius: 50px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.btn-register:hover {
  transform: translateY(-3px);
  box-shadow: 
    0 15px 40px rgba(0, 0, 0, 0.4),
    0 0 0 4px rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-register:hover::before {
  opacity: 1;
}

.btn-icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.btn-register:hover .btn-icon {
  transform: scale(1.2) rotate(10deg);
}

/* Safety */
.safety {
  background-color: var(--background);
  border-top: 1px solid var(--border);
  position: relative;
}

.safety::before {
  content: '';
  position: absolute;
  top: 0;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsl(142, 70%, 45%) 0%, transparent 70%);
  opacity: 0.05;
  filter: blur(100px);
  border-radius: 50%;
}

.safety-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.safety-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

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

.safety-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--gradient-text);
  opacity: 0.1;
  transition: width 0.4s ease;
}

.safety-item:hover {
  transform: translateX(10px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

.safety-item:hover::before {
  width: 4px;
}

.safety-icon {
  font-size: 2rem;
  flex-shrink: 0;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.safety-item:hover .safety-icon {
  transform: scale(1.2) rotate(5deg);
}

.safety-item p {
  color: var(--muted-foreground);
  font-size: 1rem;
  transition: color 0.3s ease;
}

.safety-item:hover p {
  color: var(--foreground);
}

/* FAQ */
.faq {
  background-color: var(--background);
  border-top: 1px solid var(--border);
  position: relative;
}

.faq::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, hsl(168, 60%, 50%) 0%, transparent 70%);
  opacity: 0.05;
  filter: blur(100px);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.faq-item {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

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

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.faq-item[open] {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-item summary {
  padding: 1.5rem 2rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
  font-size: 1.0625rem;
  color: var(--foreground);
}

.faq-item summary:hover {
  color: var(--teal);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 2rem;
  color: var(--muted-foreground);
  transition: all 0.3s ease;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

.faq-item summary:hover::after {
  background: rgba(255, 255, 255, 0.1);
  color: var(--teal);
  transform: scale(1.1);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: rgba(255, 255, 255, 0.1);
}

.faq-item p {
  padding: 0 2rem 1.5rem;
  color: var(--muted-foreground);
  line-height: 1.8;
  font-size: 1rem;
  animation: fadeInUp 0.3s ease-out;
}

/* Footer */
.footer {
  position: relative;
  padding: 5rem 0 3rem;
  background: linear-gradient(180deg, var(--background) 0%, hsl(0, 0%, 2%) 100%);
  border-top: 1px solid var(--border);
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-text);
  opacity: 0.5;
}

.footer-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-text);
  opacity: 0.3;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  text-align: center;
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  height: 3rem;
  width: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
  transition: transform 0.3s ease;
}

.footer-logo:hover {
  transform: scale(1.1);
}

.footer-tagline {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.footer-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.footer-links a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.footer-links a:hover {
  color: var(--foreground);
  transform: translateY(-2px);
}

.footer-links a:hover::before {
  opacity: 1;
}

.footer-copyright {
  color: var(--muted-foreground);
  font-size: 0.8125rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
  max-width: 600px;
}

/* Responsive */
@media (min-width: 768px) {
  section {
    padding: 8rem 0;
  }
  
  .container {
    padding: 0 2rem;
  }

  .hero-stats {
    gap: 4rem;
    padding: 2.5rem 3rem;
  }

  .hero-title {
    font-size: clamp(4rem, 10vw, 6.5rem);
  }

  .hero-description {
    font-size: 1.25rem;
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: 90vh;
  }

  .hero-gradient,
  .hero-gradient-2,
  .hero-gradient-3 {
    filter: blur(80px);
  }

  .hero-stats {
    gap: 2rem;
    padding: 1.5rem;
  }

  .stat-item {
    flex: 1;
    min-width: 100px;
  }

  .hero-content {
    padding: 2rem 1rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }

  .btn-whatsapp {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  .whatsapp-3d-icon {
    width: 80px;
    height: 80px;
  }

  .whatsapp-3d-icon svg {
    width: 40px;
    height: 40px;
  }

  .shape {
    display: none;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .step {
    padding: 2rem 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .benefit-card {
    padding: 2rem 1.5rem;
  }

  .phone-frame {
    max-width: 90%;
    transform: perspective(1000px) rotateX(0deg);
  }

  .quote {
    font-size: 1rem;
    padding: 1.5rem;
    margin-top: 3rem;
  }

  .safety-item {
    padding: 1.25rem;
    gap: 1rem;
  }

  .faq-item summary {
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
  }

  .faq-item p {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.9375rem;
  }

  .donor-registration {
    padding: 5rem 0;
  }

  .registration-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
  }

  .btn-register {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--muted);
  border-radius: 3px;
}

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