:root {
  /* Fonts */
  --default-font: "Roboto", system-ui, sans-serif;
  --heading-font: "Raleway", sans-serif;
  --nav-font: "Poppins", sans-serif;

  /* Colors */
  --default-color: #043d6c;
  --heading-color: #055572;
  --accent-color: #1acc8d;
  --contrast-color: #ffffff;
  
  /* Backgrounds */
  --background-color: #ffffff;
  --surface-color: #ffffff;
  
  /* Navigation */
  --nav-color: #ffffff;
  --nav-hover-color: #1acc8d;
  --nav-mobile-bg: #ffffff;
  --nav-dropdown-bg: #ffffff;
  --nav-dropdown-color: #024d56;
  --nav-dropdown-hover: #1acc8d;
}

/* Simplified color presets */
.light-background {
  --background-color: #f4f5fe;
  --surface-color: #ffffff;
}

.dark-background {
  --background-color: #086478;
  --default-color: var(--contrast-color);
  --heading-color: var(--contrast-color);
  --surface-color: #063675;
}

/* Base Styles */
body {
  color: var(--default-color);
  background-color: var(--background-color);
  font-family: var(--default-font);
  scroll-behavior: smooth;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--heading-color);
  font-family: var(--heading-font);
}

/* Header */
.header {
  --background-color: rgba(255, 255, 255, 0);
  --default-color: var(--contrast-color);
  --heading-color: var(--contrast-color);
  
  position: fixed;
  width: 100%;
  padding: 20px 0;
  transition: all 0.5s ease;
  z-index: 997;
}

.header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border-radius: 20px;
}

.header .logo img {
  max-height: 80px;
  border-radius: 12px;
  box-shadow: 0 0 10px var(--accent-color), 0 0 20px var(--accent-color);
  transition: all 0.3s ease;
}

.header .logo h1 {
  font-size: 28px;
  margin: 0;
  font-weight: 800;
  color: var(--heading-color);
  text-shadow: 0 0 4px #fff, 0 0 10px var(--accent-color);
  font-family: var(--heading-font);
  letter-spacing: 1px;
}

.scrolled .header {
  --background-color: #10058c;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.1);
}

/* Navigation */
.navmenu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Desktop Navigation */
@media (min-width: 1200px) {
  .navmenu ul {
    display: flex;
    align-items: center;
  }

  .navmenu > ul > li {
    padding: 15px 14px;
    position: relative;
  }

  .navmenu a {
    color: color-mix(in srgb, var(--nav-color), transparent 20%);
    font-family: var(--nav-font);
    position: relative;
  }

  .navmenu a::before {
    content: "";
    position: absolute;
    height: 2px;
    bottom: -6px;
    left: 0;
    background-color: var(--nav-hover-color);
    width: 0;
    transition: width 0.3s ease;
  }

  .navmenu li:hover > a::before,
  .navmenu .active::before {
    width: 25px;
  }

  .navmenu li:hover > a,
  .navmenu .active {
    color: var(--nav-color);
  }

  .dropdown ul {
    position: absolute;
    background: var(--nav-dropdown-bg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .dropdown:hover > ul {
    opacity: 1;
    visibility: visible;
  }
}

/* Mobile Navigation */
@media (max-width: 1199px) {
  .mobile-nav-toggle {
    color: var(--nav-color);
    font-size: 28px;
    cursor: pointer;
    transition: color 0.3s ease;
  }

  .navmenu ul {
    position: fixed;
    background: var(--nav-mobile-bg);
    overflow-y: auto;
    z-index: 9998;
  }

  .mobile-nav-active .navmenu > ul {
    display: block;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 0;
}

.hero::before {
  content: "";
  background: color-mix(in srgb, var(--background-color), transparent 8%);
  position: absolute;
  inset: 0;
  z-index: 2;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.2;
}

.hero p {
  font-size: clamp(18px, 3vw, 22px);
  color: color-mix(in srgb, var(--default-color), transparent 30%);
}

.btn-get-started {
  background: var(--accent-color);
  color: var(--contrast-color);
  transition: all 0.3s ease;
}

/* Animations */
@keyframes up-down {
  0%, 100% { transform: translateY(10px); }
  50% { transform: translateY(-10px); }
}

.animated {
  animation: up-down 2s ease-in-out infinite;
}

/* Waves animation optimized */
.wave1 use { animation: move-forever1 10s linear infinite; }
.wave2 use { animation: move-forever2 8s linear infinite; }
.wave3 use { animation: move-forever3 6s linear infinite; }

@keyframes move-forever1 {
  0% { transform: translate(85px, 0); }
  100% { transform: translate(-90px, 0); }
}

@keyframes move-forever2 {
  0% { transform: translate(-90px, 0); }
  100% { transform: translate(85px, 0); }
}

@keyframes move-forever3 {
  0% { transform: translate(-90px, 0); }
  100% { transform: translate(85px, 0); }
}