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

:root {
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --accent: #dc2626;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --border: #e5e7eb;
  --white: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--white);
}

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

/* Navigation */
nav {
  background-color: var(--white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  font-size: 1.5rem;
  color: var(--primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: bold;
  font-size: 1.25rem;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-links a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.btn-whatsapp {
  background-color: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.btn-whatsapp:hover {
  background-color: var(--primary-dark);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 50%, var(--accent) 100%);
  color: var(--white);
  padding: 4rem 20px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-block;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--bg-light);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  background-color: #b91c1c;
  transform: translateY(-2px);
}

.hero-image {
  width: 100%;
  max-width: 900px;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Section */
section {
  padding: 4rem 20px;
}

section.bg-light {
  background-color: var(--bg-light);
}

section.bg-primary {
  background-color: var(--primary);
  color: var(--white);
}

section.bg-accent {
  background-color: var(--accent);
  color: var(--white);
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  font-weight: 800;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .nav-links {
    display: none;
  }

  h2 {
    font-size: 1.75rem;
  }
}

/* Card */
.card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.card-icon {
  width: 50px;
  height: 50px;
  background-color: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.card a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.card a:hover {
  color: var(--primary-dark);
}

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

.img-rounded {
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* List */
ul {
  list-style: none;
}

ul li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

ul li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Footer */
footer {
  background-color: var(--text);
  color: var(--white);
  padding: 3rem 20px 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  font-weight: 700;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* Form */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text);
}

input, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

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

/* Text */
.text-center {
  text-align: center;
}

.text-light {
  color: var(--text-light);
}

.text-muted {
  color: rgba(0, 0, 0, 0.5);
  font-size: 0.9rem;
}

/* Spacing */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.py-4 { padding: 2rem 0; }
.py-6 { padding: 3rem 0; }

/* Contact Info */
.contact-info {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-text h4 {
  margin-bottom: 0.5rem;
}

.contact-text a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.contact-text a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-image {
    height: 250px;
  }

  h2 {
    font-size: 1.75rem;
  }

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

  .nav-links {
    display: none;
  }

  section {
    padding: 2rem 20px;
  }
}