/* Color Palette */
:root {
  --color-lightest: #ebdeb7;      /* Lightest Yellow/Beige */
  --color-golden-yellow: #e7d497; /* Golden Yellow */
  --color-deep-blue: #09388a;     /* Deep Blue */
  --color-muted-blue: #5c67a0;    /* Muted Blue/Purple */
}

/* Base Styles */
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--color-lightest);
  background-color: var(--color-deep-blue);
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
}

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

/* Navigation */
.nav-link {
  position: relative;
  padding-bottom: 4px;
  transition: color 0.3s ease;
}
.nav-link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-golden-yellow);
  transition: width 0.3s ease-in-out;
}
.nav-link:hover:after {
  width: 100%;
}
.nav-link:hover {
  color: var(--color-muted-blue);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  flex-direction: column;
  background-color: var(--color-deep-blue);
  padding: 1rem;
  gap: 1rem;
}
.mobile-nav a {
  color: var(--color-lightest);
}
.mobile-nav.active {
  display: flex;
}

/* Hamburger */
.hamburger {
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-deep-blue);
}

/* Buttons */
.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  background-color: var(--color-golden-yellow);
  color: var(--color-deep-blue);
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.btn-primary:hover {
  background-color: var(--color-lightest);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  background-color: transparent;
  color: var(--color-lightest);
  border: 2px solid var(--color-lightest);
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-secondary:hover {
  background-color: var(--color-golden-yellow);
  color: var(--color-deep-blue);
  border-color: var(--color-golden-yellow);
  transform: translateY(-2px);
}

/* Sections */
section {
  padding-top: 80px;
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

/* Service Cards */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Outline Button (About Us) */
.btn-outline {
  padding: 12px 28px;
  border: 2px solid var(--color-lightest);
  border-radius: 8px;
  color: var(--color-lightest);
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-outline:hover {
  background-color: var(--color-golden-yellow);
  color: var(--color-deep-blue);
  border-color: var(--color-golden-yellow);
  transform: scale(1.05);
}

/* Gradient Button (Services) */
.btn-gradient {
  padding: 12px 28px;
  border-radius: 8px;
  background: linear-gradient(45deg, var(--color-golden-yellow), var(--color-lightest));
  color: var(--color-deep-blue);
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-gradient:hover {
  background: linear-gradient(45deg, var(--color-lightest), var(--color-golden-yellow));
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* Fun Button (Clients) */
.btn-fun {
  padding: 12px 28px;
  border-radius: 50px;
  background-color: var(--color-golden-yellow);
  color: var(--color-deep-blue);
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-fun:hover {
  background-color: var(--color-lightest);
  transform: scale(1.08);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* Animations */
.lotus-animation {
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0); }
}
@keyframes fadeInFromBottom {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
  animation: fadeInFromBottom 0.8s ease-out forwards;
  opacity: 0;
}
.animation-delay-200 { animation-delay: 0.2s; }
.animation-delay-400 { animation-delay: 0.4s; }

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slide-down {
  animation: slideDown 0.3s ease-out forwards;
}

/* Back to Top */
#backToTop {
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s ease;
}
#backToTop.visible {
  opacity: 1;
  visibility: visible;
}
#backToTop.invisible {
  opacity: 0;
  visibility: hidden;
}