:root {
  --whatsapp-green: #25D366;
  --whatsapp-light-green: #DCF8C6;
  --whatsapp-dark: #075E54;
  --whatsapp-teal: #128C7E;
  --whatsapp-chat-bg: #E5DDD5;
  --whatsapp-light-gray: #F0F0F0;
  --dark-text: #303030;
  --light-text: #FFFFFF;
  --chat-bubble: #DCF8C6;
  --shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--whatsapp-chat-bg);
  color: var(--dark-text);
  line-height: 1.6;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

/* Loading Animation */
#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--whatsapp-dark);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeOutLoadingScreen 0.5s ease forwards 2s;
}

.loading-container {
  position: relative;
  width: 80%;
  max-width: 400px;
  text-align: center;
}

#letter-G, #letter-A {
  font-size: 3.5rem;
  font-weight: bold;
  display: inline-block;
  color: var(--whatsapp-green);
  opacity: 0;
  position: relative;
}

#letter-G {
  animation: fadeIn 0.4s ease forwards, pulse 1.5s ease infinite alternate;
  animation-delay: 0.2s;
}

#letter-A {
  animation: fadeIn 0.4s ease forwards, pulse 1.5s ease infinite alternate;
  animation-delay: 0.4s;
}

#text {
  font-size: 2rem;
  font-weight: bold;
  color: var(--light-text);
  opacity: 0;
  animation: fadeInText 0.6s ease 0.6s forwards;
}

/* Header Section */
.header {
  background-color: var(--whatsapp-dark);
  padding: 1.5rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.header.scrolled {
  padding: 1rem 0;
}

.header-container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  color: var(--light-text);
  font-size: 2.2rem;
  margin: 0;
  height: auto;
  animation: fadeInUp 0.8s ease;
}

/* Hero Section */
#titulo {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--whatsapp-dark) 0%, var(--whatsapp-teal) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 60px;
}

#titulo::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: 20px 20px;
  opacity: 0.2;
}

#titulo h1 {
  color: var(--light-text);
  font-size: clamp(2.5rem, 8vw, 4rem);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease;
  text-align: center;
  height: auto;
}

.boton-scroll {
  background-color: var(--whatsapp-green);
  color: var(--light-text);
  border: none;
  border-radius: 30px;
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  text-align: center;
  display: inline-block;
  width: auto;
  min-width: 180px;
  animation: fadeInUp 1s ease 0.3s both;
  text-decoration: none;
}

.boton-scroll:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  background-color: #22c55e;
}

/* Options Section */
.service-section {
  padding: 5rem 2rem;
  text-align: center;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#service0 {
  background-color: var(--whatsapp-light-gray);
  position: relative;
}

#service0::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="30" height="30" viewBox="0 0 30 30"><path d="M15,2.5C8.1,2.5,2.5,8.1,2.5,15c0,2.3,0.6,4.5,1.7,6.4l-1.7,5.6l5.8-1.9c1.8,1,3.9,1.5,6.1,1.5c6.9,0,12.5-5.6,12.5-12.5 S21.9,2.5,15,2.5z" fill="rgba(37,211,102,0.05)"/></svg>');
  background-repeat: repeat;
  opacity: 0.5;
}

#ok {
  color: var(--whatsapp-dark);
  font-size: 2rem;
  margin-bottom: 2rem;
  font-weight: 700;
}

.services {
  list-style-type: none;
  padding: 0;
  text-align: center;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.services li {
  margin: 1rem 0;
}

.services a {
  text-decoration: none;
  background-color: var(--whatsapp-green);
  color: var(--light-text);
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 1.2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: block;
  box-shadow: var(--shadow);
  border: none;
}

.services a:hover {
  background-color: var(--whatsapp-teal);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* WhatsApp Community Section */
#linkComunidad {
  background-color: var(--light-text);
  position: relative;
}

#linkComunidad h2 {
  color: var(--whatsapp-dark);
  margin-bottom: 2rem;
  font-size: 2.2rem;
}

.container {
  width: 90%;
  max-width: 400px;
  margin: 0 auto;
  padding: 2rem;
  background-color: var(--light-text);
  border-radius: 15px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease;
}

.container:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

._9vx6 {
  border-radius: 50%;
  height: 100px;
  width: 100px;
  object-fit: cover;
  border: 4px solid var(--whatsapp-green);
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.container h2 {
  font-size: 1.5rem;
  color: var(--dark-text);
  margin: 1rem 0;
}

#linkGp {
  background-color: var(--whatsapp-green);
  color: var(--light-text);
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  display: inline-block;
  margin: 1rem auto;
  transition: all 0.3s ease;
  border: none;
  width: auto;
  min-width: 150px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

#linkGp:hover {
  background-color: var(--whatsapp-teal);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

#linkComunidad p {
  color: #555;
  margin-top: 2rem;
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInText {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes fadeOutLoadingScreen {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    visibility: hidden;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.1);
  }
}

/* Floating WhatsApp Button Animation */
@keyframes floatButton {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}

/* Media Queries */
@media (max-width: 768px) {
  .header h1 {
    font-size: 1.8rem;
  }
  
  #titulo h1 {
    font-size: 2.5rem;
  }
  
  .service-section {
    padding: 4rem 1rem;
  }
  
  #ok {
    font-size: 1.8rem;
  }
  
  .services a {
    font-size: 1.1rem;
    padding: 0.8rem 1.5rem;
  }
  
  .container {
    width: 95%;
    padding: 1.5rem;
  }
  
  ._9vx6 {
    height: 80px;
    width: 80px;
  }
}

/* WhatsApp Message Bubble Animation */
.message-bubble {
  position: relative;
  background-color: var(--chat-bubble);
  padding: 15px;
  border-radius: 15px;
  margin: 10px 0;
  max-width: 80%;
  animation: messageAppear 0.5s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.message-bubble::after {
  content: "";
  position: absolute;
  top: 15px;
  right: -10px;
  border-width: 10px 0 0 10px;
  border-style: solid;
  border-color: transparent transparent transparent var(--chat-bubble);
}

@keyframes messageAppear {
  0% {
    opacity: 0;
    transform: translateY(10px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}