/* Design System for Marketing Website
   A modern, clean design system with focus on typography, spacing, and components */

/* COLOR PALETTE */
:root {
  /* Primary Colors */
  --primary-100: #1a5f7a;
  --primary-200: #2c8cb4;
  --primary-300: #47b5e5;
  
  /* Neutral Colors */
  --neutral-100: #0a0a0b;
  --neutral-200: #1f1f23;
  --neutral-300: #393941;
  --neutral-400: #75757d;
  --neutral-500: #a9a9af;
  --neutral-600: #e4e4e6;
  --neutral-700: #f5f5f6;
  
  /* Accent Colors */
  --accent-success: #2ecc71;
  --accent-warning: #f1c40f;
  --accent-error: #e74c3c;
  
  /* Spacing System (8px grid) */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 1rem;     /* 16px */
  --space-md: 1.5rem;   /* 24px */
  --space-lg: 2rem;     /* 32px */
  --space-xl: 3rem;     /* 48px */
  --space-2xl: 4rem;    /* 64px */
}

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

/* Base Typography */
body {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--neutral-100);
}

/* Type Scale */
h1, .h1 {
  font-size: 3.815rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

h2, .h2 {
  font-size: 3.052rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

h3, .h3 {
  font-size: 2.441rem;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h4, .h4 {
  font-size: 1.953rem;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

h5, .h5 {
  font-size: 1.563rem;
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

/* Text Utilities */
.text-lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--neutral-300);
}

.text-small {
  font-size: 0.875rem;
  line-height: 1.5;
}

/* COMPONENTS */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary-200);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-100);
}

.btn-secondary {
  background: var(--neutral-700);
  color: var(--neutral-100);
}

/* Cards */
.card {
  background: white;
  border-radius: 1rem;
  padding: var(--space-lg);
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  padding: var(--space-md) 0;
}

.nav-link {
  color: var(--neutral-400);
  text-decoration: none;
  margin-right: var(--space-md);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-200);
}

/* Hero Section */
.hero {
  padding: var(--space-2xl) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

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

/* Form Elements */
.input {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--neutral-500);
  border-radius: 0.5rem;
  font-size: 1rem;
}

.input:focus {
  outline: none;
  border-color: var(--primary-200);
  box-shadow: 0 0 0 3px rgba(44, 140, 180, 0.1);
}

/* Testimonial */
.testimonial {
  background: var(--neutral-700);
  padding: var(--space-xl);
  border-radius: 1rem;
  text-align: center;
}

/* Footer */
.footer {
  background: var(--neutral-100);
  color: var(--neutral-600);
  padding: var(--space-xl) 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }
.py-xl { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }