@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Manrope:wght@400;500;700;800&display=swap');

:root {
  /* Color Palette */
  --clr-primary: hsl(207, 90%, 25%);
  --clr-primary-light: hsl(207, 85%, 35%);
  --clr-primary-dark: hsl(207, 90%, 15%);
  --clr-secondary: hsl(158, 85%, 35%);
  --clr-secondary-hover: hsl(158, 85%, 28%);
  
  --clr-bg: hsl(210, 20%, 99%);
  --clr-surface: hsl(0, 0%, 100%);
  --clr-surface-alt: hsl(210, 20%, 96%);
  
  --clr-text: hsl(210, 15%, 20%);
  --clr-text-muted: hsl(210, 10%, 45%);
  --clr-border: hsl(210, 15%, 90%);

  /* Typography */
  --font-heading: 'Manrope', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(6, 64, 121, 0.08);
  --shadow-lg: 0 12px 32px rgba(6, 64, 121, 0.12);
  
  /* Transitions */
  --transition: 0.3s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--clr-primary-dark);
  line-height: 1.2;
  font-weight: 800;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.01em; margin-bottom: var(--space-md); }
h3 { font-size: 1.5rem; margin-bottom: var(--space-sm); }

p {
  margin-bottom: var(--space-sm);
  color: var(--clr-text-muted);
}

a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--clr-primary-light);
}

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

ul {
  list-style: none;
}

/* Layout */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

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

.section-bg-alt {
  background-color: var(--clr-surface-alt);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--clr-secondary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--clr-secondary-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.btn-outline:hover {
  background-color: var(--clr-primary);
  color: white;
}

/* Header & Nav */
header {
  background-color: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--clr-primary-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--clr-secondary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 600;
  color: var(--clr-text);
  font-family: var(--font-heading);
}

.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--clr-primary);
}

/* Mobile Menu Trigger */
.menu-trigger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--clr-primary-dark);
}

#menu-toggle {
  display: none;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--clr-surface) 0%, var(--clr-surface-alt) 100%);
  padding: var(--space-xl) 0 var(--space-lg);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero-content h1 {
  margin-bottom: var(--space-sm);
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--clr-border);
}

/* Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-md);
}

.card {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--clr-primary-light);
  transform: translateY(-4px);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.card-title {
  margin-bottom: var(--space-xs);
}

.card-body {
  flex-grow: 1;
}

.card-link {
  margin-top: var(--space-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Feature Section */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  margin-bottom: var(--space-lg);
}

.feature-split:nth-child(even) {
  direction: rtl;
}

.feature-split:nth-child(even) > * {
  direction: ltr;
}

.feature-image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Content Pages */
.page-header {
  background-color: var(--clr-primary-dark);
  color: white;
  padding: var(--space-lg) 0;
  text-align: center;
}

.page-header h1 {
  color: white;
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.content-wrapper h2, .content-wrapper h3 {
  margin-top: var(--space-md);
}

.content-wrapper ul {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--clr-text-muted);
}

/* Forms */
.contact-form {
  display: grid;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  font-family: var(--font-heading);
}

.form-control {
  padding: 0.875rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--clr-surface-alt);
}

.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(6, 64, 121, 0.1);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Contact Info Grid */
.contact-info-card {
  background-color: var(--clr-primary-dark);
  color: white;
  padding: var(--space-md);
  border-radius: var(--radius-md);
}

.contact-info-card h3 {
  color: white;
}

.contact-info-card p, .contact-info-card a {
  color: rgba(255, 255, 255, 0.8);
}

.contact-info-item {
  margin-bottom: var(--space-sm);
}

.contact-info-item strong {
  display: block;
  color: white;
  margin-bottom: 0.25rem;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-weight: 600;
  color: var(--clr-text);
}

/* Footer */
footer {
  background-color: var(--clr-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg) 0 var(--space-sm);
  margin-top: var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  color: white;
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.footer-logo {
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
}

.footer-logo span {
  color: var(--clr-secondary);
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image {
    order: -1;
  }
  
  .feature-split, .feature-split:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  
  .feature-split:nth-child(even) > * {
    direction: ltr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-trigger {
    display: block;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--clr-surface);
    flex-direction: column;
    padding: var(--space-md);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
    gap: 1rem;
  }
  
  #menu-toggle:checked ~ .nav-links {
    display: flex;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Utilities */
.text-center { text-align: center; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }

/* Decorative Motifs */
.bg-dots {
  background-image: radial-gradient(var(--clr-border) 2px, transparent 2px);
  background-size: 24px 24px;
}