:root {
  --bg-main: #FAFAFA; /* Off-white luxury */
  --bg-card: #FFFFFF;
  --primary: #89CFF0; /* Baby blue */
  --primary-hover: #5D9AD1;
  --secondary: #E2FF54; /* Lime accent from Starline */
  --text-main: #0a0a0c;
  --text-muted: #64748b;
  --border: rgba(0, 0, 0, 0.08);
  --footer-bg: #000000;
  --footer-text: #ffffff;
  --radius-bubble: 2.25rem;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
}

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

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

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em; }

a { text-decoration: none; color: inherit; }

/* Header & Nav */
.header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-img { height: 40px; }

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-item {
  position: relative;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: 0.3s ease;
}

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

.nav-dropdown {
  position: absolute;
  top: 100%; left: 0;
  background: var(--bg-card);
  min-width: 200px;
  border-radius: 1rem;
  border: 1px solid var(--border);
  box-shadow: 0 10px 40px rgba(0,0,0,0.08);
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: 0.3s ease;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
  transition: 0.2s;
}

.dropdown-item:hover {
  background: rgba(137, 207, 240, 0.1);
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-bubble);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 30px rgba(137, 207, 240, 0.3);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(137, 207, 240, 0.4);
}

/* Base Layout */
.section { padding: 6rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }

.section-title {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 4rem;
}

/* Footer */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 5rem 2rem 2rem;
}

.footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.footer-link {
  display: block;
  color: rgba(255,255,255,0.7);
  margin-bottom: 0.75rem;
  transition: 0.3s;
}

.footer-link:hover { color: var(--primary); padding-left: 5px; }

.legal-text {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}

/* WhatsApp Float */
.wa-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50%;
  text-align: center;
  font-size: 30px;
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.3);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}

.wa-float:hover {
  transform: scale(1.1) rotate(-10deg);
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s forwards;
}

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .nav-menu { display: none; } /* Add burger menu logic later */
  .section-title { font-size: 2rem; }
}