/* ==========================================================================
   Caz Vendor Solutions LLC — Shared Stylesheet
   ========================================================================== */

/* Custom Properties
   ========================================================================== */
:root {
  --color-primary: #1a365d;
  --color-secondary: #2b6cb0;
  --color-accent: #ed8936;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;
  --color-border: #e2e8f0;
  --font-body: system-ui, -apple-system, sans-serif;
  --font-heading: system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

ul {
  list-style: none;
}

/* Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

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

/* Container
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
}

/* Main content — push footer down */
main {
  flex: 1;
}

/* Site Header
   ========================================================================== */
.site-header {
  background-color: var(--color-primary);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo:hover,
.logo:focus {
  text-decoration: none;
  opacity: 0.9;
}

.logo-img {
  height: 40px;
  width: auto;
}

/* Main Navigation
   ========================================================================== */
.main-nav ul {
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav a {
  color: #ffffff;
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  transition: opacity 0.2s;
}

.main-nav a:hover,
.main-nav a:focus {
  opacity: 0.85;
  text-decoration: none;
}

.main-nav a[aria-current="page"] {
  border-bottom: 2px solid var(--color-accent);
}

/* Nav Toggle (Hamburger)
   ========================================================================== */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 3px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

/* Buttons
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.1s;
  min-height: 44px;
  min-width: 44px;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--color-secondary);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary);
}

.btn-cta {
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 1.125rem;
  padding: 0.875rem 2rem;
}

.btn-cta:hover,
.btn-cta:focus {
  background-color: #dd6b20;
}

/* Hero / Intro Section
   ========================================================================== */
.hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-alt);
}

.hero h1 {
  font-size: 2.25rem;
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.hero .intro {
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--spacing-lg);
}

.hero .location {
  color: var(--color-text-light);
  margin-top: var(--spacing-lg);
}

/* Legitimacy Section
   ========================================================================== */
.legitimacy {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.legitimacy h2 {
  margin-bottom: var(--spacing-lg);
}

.legitimacy ul {
  max-width: 600px;
  margin-inline: auto;
  text-align: left;
}

.legitimacy li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  padding-left: var(--spacing-md);
  position: relative;
}

.legitimacy li::before {
  content: "✓";
  color: var(--color-secondary);
  font-weight: 700;
  position: absolute;
  left: 0;
}

/* Product Categories / Department Sections
   ========================================================================== */
.department-section {
  padding: var(--spacing-xl) 0;
}

.department-section:nth-child(even) {
  background-color: var(--color-bg-alt);
}

.department-section h2 {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-accent);
}

.category-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.category-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: box-shadow 0.2s;
}

.category-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.category-card h3 {
  margin-bottom: var(--spacing-sm);
}

.category-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* Forms
   ========================================================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.form-group .required {
  color: #c53030;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  font-family: var(--font-body);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s;
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 1px;
  border-color: var(--color-secondary);
}

.form-group textarea {
  resize: vertical;
}

.error-message {
  display: block;
  color: #c53030;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  min-height: 1.25rem;
}

#form-status {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 4px;
  font-weight: 500;
}

#form-status:empty {
  display: none;
}

#form-status.success {
  background-color: #f0fff4;
  color: #276749;
  border: 1px solid #c6f6d5;
}

#form-status.error {
  background-color: #fff5f5;
  color: #c53030;
  border: 1px solid #fed7d7;
}

/* Site Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.site-footer .container {
  text-align: center;
}

.footer-business {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.footer-location,
.footer-email,
.footer-license {
  margin-bottom: var(--spacing-sm);
  opacity: 0.9;
}

.footer-email a {
  color: #ffffff;
  text-decoration: underline;
}

.footer-email a:hover,
.footer-email a:focus {
  opacity: 0.85;
}

.footer-nav {
  margin: var(--spacing-lg) 0;
}

.footer-nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md) var(--spacing-lg);
}

.footer-nav a {
  color: #ffffff;
  opacity: 0.9;
}

.footer-nav a:hover,
.footer-nav a:focus {
  opacity: 1;
  text-decoration: underline;
}

.footer-copyright {
  opacity: 0.75;
  font-size: 0.875rem;
  margin-top: var(--spacing-md);
}

/* Policy Page Content
   ========================================================================== */
.policy-content {
  padding: var(--spacing-xl) 0;
}

.policy-content h1 {
  margin-bottom: var(--spacing-lg);
}

.policy-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.policy-content ul,
.policy-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.policy-content li {
  margin-bottom: var(--spacing-sm);
  list-style: disc;
}

.policy-content ol li {
  list-style: decimal;
}

/* Contact Page
   ========================================================================== */
.contact-info {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.contact-form-section {
  padding-bottom: var(--spacing-xl);
  max-width: 640px;
  margin-inline: auto;
}

/* About Page Sections
   ========================================================================== */
.about-section {
  padding: var(--spacing-xl) 0;
}

.about-section:nth-child(even) {
  background-color: var(--color-bg-alt);
}

/* Page Section Utility
   ========================================================================== */
.page-section {
  padding: var(--spacing-xl) 0;
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

/* Mobile: up to 768px
   ========================================================================== */
@media (max-width: 768px) {
  /* Show hamburger toggle */
  .nav-toggle {
    display: block;
  }

  /* Hide nav by default on mobile, show when .is-open */
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
  }

  .main-nav li {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .main-nav a {
    display: block;
    padding: 0.75rem 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* Typography adjustments */
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

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

  .hero .tagline {
    font-size: 1.1rem;
  }

  /* Stack category cards */
  .category-cards {
    grid-template-columns: 1fr;
  }

  /* Footer nav stacks */
  .footer-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Small mobile: 320px–480px
   ========================================================================== */
@media (max-width: 480px) {
  .container {
    padding-inline: var(--spacing-sm);
  }

  .hero {
    padding: var(--spacing-lg) 0;
  }

  .btn-cta {
    width: 100%;
    text-align: center;
  }

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

  .category-card {
    padding: var(--spacing-md);
  }
}

/* Large desktop: 1200px+
   ========================================================================== */
@media (min-width: 1200px) {
  h1 { font-size: 2.5rem; }

  .hero h1 {
    font-size: 2.75rem;
  }

  .hero .tagline {
    font-size: 1.375rem;
  }
}

/* Focus visible for keyboard navigation
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip link (accessibility)
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-md);
  background-color: var(--color-accent);
  color: #ffffff;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 0 0 4px 4px;
  z-index: 200;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
}