/* Global Variables */
:root {
  /* Colors */
  --primary-gradient: linear-gradient(135deg, #e3fdfd 0%, #cbf1f5 50%, #a6e3e9 100%);
  --primary-light: #e3fdfd;
  --primary-medium: #cbf1f5;
  --primary-dark: #a6e3e9;
  --accent-blue: #3c84ab;
  --accent-teal: #71c9ce;
  --neon-highlight: #00adb5;
  --text-dark: #333;
  --text-medium: #555;
  --text-light: #777;
  --white: #fff;
  --black: #000;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--primary-light);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--neon-highlight);
}

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

button,
.btn {
  cursor: pointer;
  display: inline-block;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  background-color: var(--accent-blue);
  color: var(--white);
  transition: all var(--transition-medium);
  text-align: center;
}

button:hover,
.btn:hover {
  background-color: var(--neon-highlight);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.grid {
  display: grid;
}

.hidden {
  display: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none;
  }
}