@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-color: #FACC15; /* Warm Yellow */
  --primary-hover: #EAB308;
  --secondary-color: #0A2540; /* Deep Blue */
  --secondary-hover: #1E3A5F;
  --text-main: #334155;
  --text-muted: #64748B;
  --bg-color: #F8FAFC;
  --white: #FFFFFF;
  --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header & Nav */
.site-header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--primary-color);
}

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

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(250, 204, 21, 0.3);
}

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

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(10, 37, 64, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
}

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* Footer */
.site-footer {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 4rem 2rem 2rem;
  margin-top: 4rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-col h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-col p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 1rem;
}

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

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary-color);
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-form input {
  padding: 0.75rem;
  border: none;
  border-radius: 4px;
  flex: 1;
  font-family: inherit;
}

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

/* Common Layouts */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

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

.section-title {
  color: var(--secondary-color);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--secondary-color);
  cursor: pointer;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
  z-index: 100;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--card-shadow);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .section-title {
    font-size: 2rem;
  }
  .container {
    padding: 0 1rem;
  }
}