/* ===================================
   Here 4 Gear - Main Stylesheet
   =================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1F2937;
  background-color: #FFFFFF;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

ul,
ol {
  list-style: none;
}

/* CSS Variables */
:root {
  --color-safety-yellow: #FFD400;
  --color-signal-orange: #FF6A00;
  --color-charcoal: #1F2937;
  --color-concrete-gray: #6B7280;
  --color-off-white: #F9FAFB;
  --color-white: #FFFFFF;
  --max-width: 1200px;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --transition: 0.2s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-charcoal);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.micro-banner {
  background-color: var(--color-safety-yellow);
  color: var(--color-charcoal);
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-wrapper img {
  height: 48px;
  width: auto;
}

.brand-name {
  font-family: 'Oswald', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-charcoal);
}

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

.main-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-charcoal);
  transition: color var(--transition);
  padding: 0.5rem;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-signal-orange);
}

@media (max-width: 768px) {
  .main-nav ul {
    gap: 1rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 640px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .main-nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
  }
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-white) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  margin-bottom: 1rem;
}

.hero-text .tagline {
  font-size: 1.25rem;
  color: var(--color-signal-orange);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-text .blurb {
  font-size: 1.125rem;
  color: var(--color-concrete-gray);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.trust-note {
  font-size: 0.875rem;
  color: var(--color-concrete-gray);
  font-style: italic;
}

.hero-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-illustration img {
  width: 100%;
  max-width: 500px;
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 3rem 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  min-height: 48px;
  min-width: 48px;
  text-align: center;
}

.btn:focus-visible {
  outline: 2px solid var(--color-signal-orange);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-signal-orange);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #E55F00;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-charcoal);
  border: 2px solid var(--color-charcoal);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Value Tiles */
.value-tiles {
  padding: 4rem 0;
}

.value-tiles h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.tile {
  background-color: var(--color-white);
  border: 2px solid var(--color-off-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}

.tile:hover {
  border-color: var(--color-safety-yellow);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.tile-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  color: var(--color-signal-orange);
}

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

.tile p {
  color: var(--color-concrete-gray);
  font-size: 0.9375rem;
}

/* Categories Section */
.categories {
  padding: 4rem 0;
  background-color: var(--color-off-white);
}

.categories h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.category-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  position: relative;
}

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

.category-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 1rem;
  color: var(--color-signal-orange);
}

.category-card h3 {
  font-size: 1.375rem;
  margin-bottom: 1rem;
}

.certification-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  background-color: var(--color-off-white);
  border: 1px solid var(--color-concrete-gray);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-charcoal);
}

.category-card .btn {
  width: 100%;
}

/* Tooltip */
.tooltip-wrapper {
  position: relative;
  display: inline-block;
}

.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
  z-index: 100;
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-charcoal);
}

.tooltip-wrapper:hover .tooltip,
.tooltip-wrapper:focus-within .tooltip,
.tooltip.show {
  opacity: 1;
  visibility: visible;
}

/* How It Works */
.how-it-works {
  padding: 4rem 0;
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--color-signal-orange);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.step h3 {
  margin-bottom: 1rem;
}

.step p {
  color: var(--color-concrete-gray);
}

/* Email Signup */
.email-signup {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-safety-yellow) 0%, #FFE066 100%);
}

.email-signup h2 {
  text-align: center;
  margin-bottom: 1rem;
}

.email-signup-intro {
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-charcoal);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.signup-form {
  max-width: 500px;
  margin: 0 auto;
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-charcoal);
}

.form-group input[type="email"] {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-concrete-gray);
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input[type="email"]:focus {
  outline: none;
  border-color: var(--color-signal-orange);
}

.form-group input[type="email"]:focus-visible {
  outline: 2px solid var(--color-signal-orange);
  outline-offset: 2px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 0.125rem;
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-signal-orange);
  outline-offset: 2px;
}

.checkbox-group label {
  font-size: 0.9375rem;
  font-weight: 400;
  cursor: pointer;
}

.privacy-note {
  font-size: 0.875rem;
  color: var(--color-concrete-gray);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.signup-form .btn {
  width: 100%;
}

/* Compliance & Trust */
.compliance {
  padding: 4rem 0;
  background-color: var(--color-off-white);
}

.compliance h2 {
  text-align: center;
  margin-bottom: 3rem;
}

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

.disclosure-box {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-signal-orange);
  padding: 1.5rem;
  border-radius: var(--border-radius-sm);
  margin-bottom: 2rem;
}

.disclosure-box h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.disclosure-box p {
  color: var(--color-concrete-gray);
  line-height: 1.7;
}

.icon-inline {
  width: 20px;
  height: 20px;
  color: var(--color-signal-orange);
}

/* FAQ */
.faq {
  padding: 4rem 0;
}

.faq h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border: 2px solid var(--color-off-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.faq-item h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-signal-orange);
}

.faq-item p {
  color: var(--color-concrete-gray);
  line-height: 1.7;
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--color-safety-yellow);
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

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

.footer-section a {
  color: var(--color-white);
  transition: color var(--transition);
}

.footer-section a:hover,
.footer-section a:focus {
  color: var(--color-safety-yellow);
}

.footer-section a:focus-visible {
  outline: 2px solid var(--color-safety-yellow);
  outline-offset: 2px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-safety-yellow);
  font-weight: 600;
  font-size: 1.125rem;
}

.contact-email-icon {
  width: 24px;
  height: 24px;
}

.footer-disclosure {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-concrete-gray);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background-color: var(--color-white);
  color: var(--color-charcoal);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-left: 4px solid #10B981;
}

.toast.error {
  border-left: 4px solid var(--color-signal-orange);
}

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.toast.success .toast-icon {
  color: #10B981;
}

.toast.error .toast-icon {
  color: var(--color-signal-orange);
}

.toast-message {
  flex: 1;
  font-size: 0.9375rem;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background-color: var(--color-off-white);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-charcoal);
}

.badge-icon {
  width: 16px;
  height: 16px;
}

/* Timestamp */
.timestamp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-concrete-gray);
  font-style: italic;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}

/* Focus Styles */
*:focus-visible {
  outline: 2px solid var(--color-signal-orange);
  outline-offset: 2px;
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Responsive Typography */
@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .btn {
    padding: 0.75rem 1.5rem;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .tile,
  .category-card,
  .faq-item {
    border-width: 3px;
  }

  .btn {
    border: 2px solid currentColor;
  }
}

/* Print Styles */
@media print {
  .site-header,
  .email-signup,
  .hero-cta,
  .toast-container {
    display: none;
  }
}