/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* Navbar */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 1rem 0;
}

#navbar.nav-scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(16, 42, 67, 0.08);
  padding: 0.5rem 0;
}

#navbar.nav-scrolled .nav-link {
  color: #334e68;
}

#navbar.nav-scrolled .logo-text {
  color: #102a43;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  z-index: 2000;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 21, 33, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu-link {
  border-bottom: 1px solid #f0f4f8;
}

.mobile-menu-link:last-child {
  border-bottom: none;
}

/* Hero */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
}

/* Floating Cards */
.floating-card {
  animation: float 6s ease-in-out infinite;
}

.card-float-1 {
  animation-delay: 0s;
}

.card-float-2 {
  animation-delay: -2s;
}

.card-float-3 {
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* Service Cards */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #d4a843, #f2c144);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover::before {
  opacity: 1;
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .floating-card {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .hero-section {
    min-height: auto;
    padding-top: 6rem;
    padding-bottom: 4rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-section {
    min-height: 80vh;
  }
}