/* Greenwood Technical Services - Main Stylesheet */

:root {
  --color-primary: #2d5a3d;
  --color-primary-dark: #1e3d29;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-background: #ffffff;
  --color-background-alt: #f8f9fa;
  --color-border: #e0e0e0;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1100px;
  --spacing-unit: 1rem;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.3;
  margin-bottom: var(--spacing-unit);
  color: var(--color-text);
}

h1 {
  font-size: 2rem;
  font-weight: 600;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-unit);
}

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

a:hover {
  text-decoration: underline;
}

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

/* Header */
header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-unit) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-unit);
}

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.logo a {
  color: inherit;
  text-decoration: none;
}

nav ul {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing-unit) * 1.5);
}

nav a {
  color: var(--color-text);
  font-weight: 500;
  padding: 0.5rem 0;
}

nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

nav a.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

/* Hero Section */
.hero {
  padding: calc(var(--spacing-unit) * 4) 0;
  background-color: var(--color-background-alt);
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: calc(var(--spacing-unit) * 1.5);
  max-width: 700px;
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.hero .cta-link {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 500;
}

/* Sections */
section {
  padding: calc(var(--spacing-unit) * 3) 0;
}

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

.section-header {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 1.5);
}

.service-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: calc(var(--spacing-unit) * 1.5);
}

.service-card h3 {
  color: var(--color-primary-dark);
  margin-bottom: calc(var(--spacing-unit) * 0.75);
}

.service-card ul {
  list-style: none;
  margin-top: var(--spacing-unit);
}

.service-card li {
  padding: 0.4rem 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--color-text-light);
}

.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

/* How I Work Section */
.how-list {
  list-style: none;
  max-width: 700px;
}

.how-list li {
  padding: var(--spacing-unit);
  border-left: 3px solid var(--color-primary);
  margin-bottom: var(--spacing-unit);
  background-color: var(--color-background);
}

.how-list li strong {
  display: block;
  margin-bottom: 0.25rem;
}

/* What This Is Not */
.not-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-unit);
  list-style: none;
}

.not-list li {
  padding: var(--spacing-unit);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text-light);
}

/* About Page */
.about-content {
  max-width: 700px;
}

.about-content p {
  margin-bottom: calc(var(--spacing-unit) * 1.25);
  color: var(--color-text-light);
}

.about-content p:first-of-type {
  font-size: 1.125rem;
  color: var(--color-text);
}

/* Contact Page */
.contact-content {
  max-width: 600px;
}

.contact-info {
  margin: calc(var(--spacing-unit) * 2) 0;
}

.contact-info p {
  margin-bottom: calc(var(--spacing-unit) * 0.75);
}

.contact-form {
  margin-top: calc(var(--spacing-unit) * 2);
}

.form-group {
  margin-bottom: calc(var(--spacing-unit) * 1.25);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.submit-btn {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
}

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

/* Footer */
footer {
  background-color: var(--color-background-alt);
  border-top: 1px solid var(--color-border);
  padding: calc(var(--spacing-unit) * 2) 0;
  margin-top: calc(var(--spacing-unit) * 2);
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-unit);
}

footer p {
  margin: 0;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

footer nav ul {
  gap: var(--spacing-unit);
}

footer nav a {
  font-size: 0.9rem;
  font-weight: normal;
}

/* Responsive */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    flex-wrap: wrap;
    gap: var(--spacing-unit);
  }

  .hero {
    padding: calc(var(--spacing-unit) * 2.5) 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  section {
    padding: calc(var(--spacing-unit) * 2) 0;
  }

  footer .container {
    flex-direction: column;
    text-align: center;
  }
}