/* Estilos base */
:root {
  --primary-color: #cc0000;
  --primary-hover: #ff3366;
  --secondary-color: #333;
  --light-gray: #f5f5f5;
  --dark-gray: #666;
  --green: #25d366;
  --shadow: 0 4px 6px rgba(0,0,0,0.1);
  --container-width: 1200px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: #fff;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

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

img {
  max-width: 100%;
}

section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  color: var(--secondary-color);
}

.section-title:after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -15px;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

/* Header e Nav */
.hero {
  background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  margin-right: 10px;
}

.logo span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--secondary-color);
  font-weight: 500;
}

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

.btn-apoie {
  background: var(--primary-color);
  color: white !important;
  padding: 8px 15px;
  border-radius: 20px;
}

.btn-apoie:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

/* Conteúdo Hero */
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-top: 100px;
}

.hero-text h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: var(--dark-gray);
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  padding: 12px 25px;
  border-radius: 30px;
  font-weight: 600;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary-color);
  padding: 12px 25px;
  border-radius: 30px;
  font-weight: 600;
  border: 2px solid var(--secondary-color);
}

.btn-secondary:hover {
  background: var(--secondary-color);
  color: white;
  transform: translateY(-3px);
}

.hero-image {
  position: relative;
  z-index: 1;
}

.hero-image img {
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  transform: perspective(1000px) rotateY(-5deg);
}

/* Features Section */
.features {
  background-color: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 30px;
}

.feature-card {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ff3366 0%, #cc0000 100%);
  border-radius: 50%;
  color: white;
}

.feature-icon svg {
  width: 35px;
  height: 35px;
}

.feature-card h3 {
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.feature-card p {
  color: var(--dark-gray);
}

/* How it Works Section */
.how-it-works {
  background-color: var(--light-gray);
}

.steps-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  margin-bottom: 60px;
}

.step {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
  width: 30%;
}

.step-number {
  background: linear-gradient(135deg, #ff3366 0%, #cc0000 100%);
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 20px;
  flex-shrink: 0;
}

.step-content h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.step-content p {
  color: var(--dark-gray);
}

.demo-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: center;
}

.demo-video {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.demo-video video {
  width: 100%;
  display: block;
}

.demo-caption h3 {
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.demo-caption p {
  color: var(--dark-gray);
}

/* Testimonials Section */
.testimonials {
  background: linear-gradient(135deg, #fff 0%, #f9f9f9 100%);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background-color: white;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.testimonial-content {
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--secondary-color);
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 15px;
  object-fit: cover;
}

.testimonial-author h4 {
  margin-bottom: 5px;
  font-size: 1.1rem;
}

.testimonial-author span {
  color: var(--dark-gray);
  font-size: 0.9rem;
}

/* Support Section - Donation */
.support {
  background: linear-gradient(135deg, #f8f8f8 0%, #fff 100%);
  padding: 100px 0;
  text-align: center;
}

.support-intro {
  max-width: 700px;
  margin: 0 auto 40px;
  font-size: 1.2rem;
  color: var(--dark-gray);
}

.heart-container-large {
  margin: 30px auto;
  width: 100px;
  height: 100px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.heart-animation {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #ff3366 0%, #ff6b81 50%, #ff4757 100%);
  transform: rotate(45deg);
  position: relative;
  animation: pulse 1.5s infinite;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(255,51,102,0.5);
}

.heart-animation:before, 
.heart-animation:after {
  content: "";
  width: 80px;
  height: 80px;
  background: inherit;
  border-radius: 50%;
  position: absolute;
}

.heart-animation:before {
  top: -40px;
  left: 0;
}

.heart-animation:after {
  top: 0;
  left: -40px;
}

@keyframes pulse {
  0% {
    transform: rotate(45deg) scale(1);
  }
  50% {
    transform: rotate(45deg) scale(1.1);
  }
  100% {
    transform: rotate(45deg) scale(1);
  }
}

.next-billing {
  margin: 20px 0;
  font-size: 1rem;
  color: #00b894;
  font-style: italic;
}

#nextBillingDate {
  font-weight: bold;
}

.donation-options-container {
  max-width: 800px;
  margin: 30px auto;
}

.donation-row {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.donation-button {
  display: flex;
  align-items: center;
  background: white;
  padding: 20px 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: var(--transition);
  width: 300px;
}

.donation-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.donation-button.pix {
  border-left: 5px solid #0088cc;
}

.donation-button.coffee {
  border-left: 5px solid #795548;
}

.donation-icon {
  font-size: 2rem;
  margin-right: 15px;
}

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

.donation-details h4 {
  font-size: 1.2rem;
  margin-bottom: 5px;
  color: var(--secondary-color);
}

.donation-details span {
  color: var(--dark-gray);
  font-size: 0.9rem;
}

/* Contact Section */
.contact {
  background-color: white;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 50px;
  align-items: center;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--dark-gray);
  margin-bottom: 30px;
}

.whatsapp-button-large {
  display: flex;
  align-items: center;
  background-color: var(--green);
  color: white;
  padding: 15px 25px;
  border-radius: 30px;
  margin: 30px 0;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  max-width: 280px;
}

.whatsapp-button-large .whatsapp-icon {
  width: 30px;
  height: 30px;
  margin-right: 10px;
}

.pulse-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 30px;
  background-color: rgba(37, 211, 102, 0.4);
  z-index: -1;
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  70% {
    transform: scale(1.1);
    opacity: 0;
  }
  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}

.social-links {
  display: flex;
  gap: 20px;
  margin-top: 30px;
}

.social-link {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  background-color: #f5f5f5;
  border-radius: 5px;
  font-weight: 500;
  transition: var(--transition);
}

.social-link:hover {
  background-color: #eaeaea;
  transform: translateY(-3px);
}

/* Footer */
footer {
  background-color: #1a1a1a;
  color: white;
  padding: 60px 0 20px;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-logo img {
  height: 40px;
  margin-right: 10px;
}

.footer-logo span {
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
}

.footer-content p {
  margin-bottom: 20px;
  max-width: 500px;
}

.footer-links {
  display: flex;
  gap: 30px;
}

.footer-links a {
  color: #aaa;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: #777;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-image {
    margin-top: 50px;
  }
  
  .step {
    width: 100%;
  }
  
  .demo-container {
    grid-template-columns: 1fr;
  }
  
  .demo-caption {
    text-align: center;
  }
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 20px;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-slider {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Utility classes */
.text-center {
  text-align: center;
}

.mt-50 {
  margin-top: 50px;
}

.mb-30 {
  margin-bottom: 30px;
}