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

:root {
  /* Colors */
  --color-primary: hsl(142, 71%, 45%);      /* Vibrant Green */
  --color-primary-dark: hsl(142, 71%, 35%); /* Darker Green for hover */
  --color-secondary: hsl(222, 47%, 11%);    /* Very Dark Blue/Slate */
  --color-text-main: hsl(215, 16%, 47%);    /* Slate Gray */
  --color-text-light: hsl(215, 16%, 65%);   /* Light Slate */
  --color-bg-body: hsl(0, 0%, 98%);         /* Off-white */
  --color-bg-card: hsl(0, 0%, 100%);        /* White */
  --color-border: hsl(214, 32%, 91%);       /* Light border */

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Layout */
  --max-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 3rem;
  
  /* Utilities */
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.025);
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-secondary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

ul {
  list-style: none;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-secondary);
  background-color: var(--color-secondary);
  color: white;
}

/* Navigation */
.navbar {
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

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

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

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

.nav-link {
  font-weight: 500;
  color: var(--color-text-main);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-secondary);
}

/* Hero Section */
.hero {
  padding: 5rem 0;
  text-align: center;
  background: linear-gradient(rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.75)), url('./assets/hero-bg.jpg') center/cover no-repeat;
  color: white;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-inline: auto;
  color: white;
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-inline: auto;
}

.hero .btn-outline {
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

.hero .btn-outline:hover {
  background-color: white;
  color: var(--color-secondary);
  border-color: white;
}

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

/* Features Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

/* Pricing Table/Cards */
.pricing-category {
  margin-bottom: 3rem;
}

.pricing-category h2 {
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
  padding-bottom: 0.5rem;
}

.price-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

.price-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}


.item-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.item-icon {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm, 8px);
  border: 1px solid var(--color-border);
}

.price-item .item-name {
  font-weight: 600;
  color: var(--color-secondary);
  font-size: 1.125rem;
  text-align: center;
  width: 100%;
}

.item-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.price-item .item-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-item .item-unit {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 400;
}

/* Footer */
.footer {
  background-color: var(--color-secondary);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

.footer-col p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.footer-col a {
  color: var(--color-text-light);
}

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

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
}