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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #0a0a0a;
  color: #ffffff;
  line-height: 1.6;
}

/* HEADER */
header {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #1a1a1a;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  transition: transform 0.3s;
}

.logo img:hover {
  transform: scale(1.05);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: color 0.3s;
  position: relative;
}

nav a:hover {
  color: #00ff9c;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #00ff9c;
  transition: width 0.3s;
}

nav a:hover::after {
  width: 100%;
}

/* HERO SECTION */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 30% 20%, #1a1a1a 0%, #0a0a0a 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 255, 156, 0.1) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  border-radius: 50%;
}

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

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero .highlight {
  color: #00ff9c;
  background: linear-gradient(135deg, #00ff9c, #00cfff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.3rem;
  color: #b0b0b0;
  margin-bottom: 30px;
  max-width: 600px;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, #00ff9c, #00cfff);
  color: #000;
  padding: 16px 40px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 10px 30px rgba(0, 255, 156, 0.3);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 255, 156, 0.5);
}

.btn-secondary {
  background: transparent;
  border: 2px solid #00ff9c;
  color: #00ff9c;
  box-shadow: none;
}

.btn-secondary:hover {
  background: #00ff9c;
  color: #000;
}

/* SECTIONS */
section {
  padding: 100px 0;
}

section h2 {
  font-size: 2.8rem;
  margin-bottom: 20px;
  font-weight: 800;
}

section h2 .highlight {
  color: #00ff9c;
}

section p {
  font-size: 1.1rem;
  color: #b0b0b0;
  margin-bottom: 40px;
  max-width: 700px;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.card {
  background: #111;
  padding: 40px;
  border-radius: 20px;
  border: 1px solid #1f1f1f;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #00ff9c, #00cfff);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-10px);
  border-color: #00ff9c;
  box-shadow: 0 20px 50px rgba(0, 255, 156, 0.2);
}

.card h3 {
  color: #00ff9c;
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.card p {
  color: #cccccc;
  margin-bottom: 0;
}

/* CTA SECTION */
.cta-section {
  background: linear-gradient(135deg, #00ff9c, #00cfff);
  color: #000;
  text-align: center;
  border-radius: 30px;
  margin: 50px 0;
  padding: 80px 40px;
}

.cta-section h2 {
  color: #000;
  margin-bottom: 30px;
}

.cta-section .btn {
  background: #000;
  color: #fff;
}

.cta-section .btn:hover {
  background: #1a1a1a;
}

/* FOOTER */
footer {
  background: #000;
  padding: 60px 0 30px;
  border-top: 1px solid #1a1a1a;
  text-align: center;
}

footer p {
  color: #666;
  margin-bottom: 0;
}

/* WHATSAPP FLOAT */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #25D366;
  color: #fff;
  padding: 18px 30px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 40px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 10px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 50px rgba(37, 211, 102, 0.6);
}

/* FORM */
form {
  max-width: 600px;
  margin: 40px auto;
}

form input,
form textarea {
  width: 100%;
  padding: 15px;
  margin-bottom: 20px;
  background: #111;
  border: 1px solid #333;
  border-radius: 10px;
  color: #fff;
  font-size: 16px;
}

form input:focus,
form textarea:focus {
  outline: none;
  border-color: #00ff9c;
}

form textarea {
  min-height: 150px;
  resize: vertical;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: 15px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  section h2 {
    font-size: 2rem;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}