/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables & Design System */
:root {
  /* Colors */
  --primary-dark: #050a18;
  /* Deep dark blue for Hero background */
  --primary-accent: #0f1730;
  /* Slightly lighter dark blue */
  --accent-blue: #4a90e2;
  /* Bright blue for interactions */

  --text-main: #111111;
  --text-muted: #666666;
  --text-light: #ffffff;

  --bg-white: #ffffff;
  --bg-light: #f9fafb;

  /* Spacing */
  --spacing-xs: 0.5rem;
  /* 8px */
  --spacing-sm: 1rem;
  /* 16px */
  --spacing-md: 2rem;
  /* 32px */
  --spacing-lg: 4rem;
  /* 64px */
  --spacing-xl: 8rem;
  /* 128px */

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --border-light: #e5e7eb;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 80%;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* Utility Classes */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.grid {
  display: grid;
}

.gap-md {
  gap: var(--spacing-md);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

p.lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto var(--spacing-lg);
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background: var(--bg-white);
  padding: var(--spacing-sm) 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-normal);
}

.navbar.scrolled {
  border-bottom: 1px solid var(--border-light);
}

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

.brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.footer-logo {
  height: 24px;
  width: auto;
  margin-right: 10px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  background-color: var(--bg-white);
  color: var(--primary-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--text-light);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Section Wrapper */
.section {
  padding: var(--spacing-xl) 0;
}

.section-bg-light {
  background-color: var(--bg-light);
}

/* Footer */
footer {
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.9rem;
}

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



/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}