/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #0066cc;
  --primary-dark: #004d99;
  --primary-light: #3385d6;
  --text-primary: #1a1a1a;
  --text-secondary: #4a5568;
  --text-light: #718096;
  --bg-white: #ffffff;
  --bg-light: #f7fafc;
  --bg-lighter: #edf2f7;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --success-color: #059669;
  --error-color: #dc2626;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  padding: var(--spacing-xs) 0;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--primary-color);
  outline: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}
/* Hero */
.hero {
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  padding: var(--spacing-3xl) 0;
}
.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}
.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}
.hero-ctas {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}
/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
}
.btn-primary {
  background: var(--primary-color);
  color: var(--bg-white);
}
.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}
.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}
.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--primary-color);
  color: var(--bg-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--border-color);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
}
.btn-outline:hover,
.btn-outline:focus {
  background: var(--bg-lighter);
  border-color: var(--primary-color);
}
.btn-submit {
  position: relative;
}
.btn-submit.loading .btn-text {
  visibility: hidden;
}
.btn-loader {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.btn-submit.loading .btn-loader {
  display: block;
}
@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
/* Benefits */
.benefits {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-white);
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}
.benefit-card {
  text-align: center;
  padding: var(--spacing-lg);
}
.benefit-icon {
  width: 48px;
  height: 48px;
  color: var(--primary-color);
  margin: 0 auto var(--spacing-md);
}
.benefit-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}
.benefit-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}
/* Products */
.products {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-light);
}
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}
.section-header p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}
.product-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.product-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}
.product-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}
/* Why Us */
.why-us {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-white);
}
.why-content {
  max-width: 900px;
  margin: 0 auto;
}
.why-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
}
.why-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.why-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-light);
  opacity: 0.5;
  flex-shrink: 0;
}
.why-text h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}
.why-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
/* Process */
.process {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-light);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
  align-items: start;
}
.step {
  text-align: center;
  padding: var(--spacing-lg);
}
.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}
.step h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}
.step p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}
.step-connector {
  display: none;
}
/* FAQ */
.faq {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-white);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-color);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  gap: var(--spacing-md);
}
.faq-question:hover,
.faq-question:focus {
  color: var(--primary-color);
  outline: none;
}
.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--primary-color);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer p {
  padding: 0 0 var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.7;
}
/* Contact */
.contact {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-light);
}
.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-2xl);
  max-width: 1000px;
  margin: 0 auto;
}
.contact-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}
.address {
  display: flex;
  gap: var(--spacing-md);
  align-items: start;
}
.address-icon {
  width: 24px;
  height: 24px;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-top: 2px;
}
.address p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
/* Form */
.contact-form {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}
.form-group {
  margin-bottom: var(--spacing-md);
}
.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}
.required {
  color: var(--error-color);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: normal;
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}
.consent-label {
  font-weight: normal;
}
.error-message {
  display: block;
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  min-height: 1.25rem;
}
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: var(--error-color);
}
/* Alerts */
.alert {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 6px;
  margin-top: var(--spacing-xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}
.alert svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.alert-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #059669;
}
.alert-success svg {
  color: #059669;
}
.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #dc2626;
}
.alert-error svg {
  color: #dc2626;
}
.alert strong {
  display: block;
  margin-bottom: 0.25rem;
}
.alert p {
  margin: 0;
  font-size: 0.9375rem;
}
/* Footer */
.footer {
  background: var(--text-primary);
  color: var(--bg-lighter);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}
.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}
.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--bg-white);
  margin-bottom: var(--spacing-sm);
}
.footer-section p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--bg-lighter);
}
.footer-section h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--bg-white);
  margin-bottom: var(--spacing-sm);
}
.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-bottom p {
  font-size: 0.875rem;
  color: var(--text-light);
}
/* Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    display: none;
    gap: var(--spacing-sm);
  }

  .nav.active {
    display: flex;
  }

  .hero h1 {
    font-size: 1.875rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .why-item {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .why-number {
    font-size: 1.5rem;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: var(--spacing-md);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .checkbox-group {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .hero h1 {
    font-size: 2.25rem;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  :root {
    --spacing-3xl: 3rem;
    --spacing-2xl: 2.5rem;
  }
  .hero h1 {
    font-size: 1.625rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }
}