:root {
  --color-bg: #f8f9fa;
  --color-bg-alt: #f0f2f5;
  --color-bg-card: #ffffff;
  --color-primary: #2d7a5f;
  --color-primary-hover: #246b54;
  --color-accent: #c49a3a;
  --color-accent-soft: rgba(196, 154, 58, 0.12);
  --color-text: #1a1d21;
  --color-text-muted: #5c6369;
  --color-border: #e2e6ea;
  --color-error: #b54a4a;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-primary-hover);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-lg);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  header {
    padding: var(--space-md) var(--space-xl);
  }
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  position: relative;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .brand {
    font-size: 1.25rem;
  }
}

.brand a {
  color: inherit;
}

.brand a:hover {
  color: var(--color-primary);
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

nav a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  nav a {
    font-size: 0.9375rem;
  }
}

nav a:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--space-sm);
  font-size: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-toggle::before {
  content: '\2630';
}

.nav-toggle[aria-expanded="true"]::before {
  content: '\2715';
}

@media (max-width: 1000px) {
  .nav-toggle {
    display: flex;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    border: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    transition: max-height var(--transition-normal);
    box-shadow: none;
  }

  nav.is-open {
    max-height: 90vh;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    overflow-y: auto;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0;
  }

  nav li {
    border-bottom: 1px solid var(--color-border);
  }

  nav li:last-child {
    border-bottom: none;
  }

  nav a {
    display: block;
    width: 100%;
    padding: var(--space-md) 0;
    font-size: 0.9375rem;
  }
}

main {
  min-height: 60vh;
}

section {
  padding: var(--space-3xl) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.hero {
  padding: var(--space-3xl) var(--space-xl);
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-media {
  position: relative;
}

.hero-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-badges {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

@media (min-width: 901px) {
  .hero-badges {
    justify-content: flex-start;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.badge-rating {
  color: var(--color-accent);
}

.hero-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.hero-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 520px;
}

@media (max-width: 900px) {
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
}

.pricing {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

@media (min-width: 901px) {
  .pricing {
    justify-content: flex-start;
  }
}

.price-current {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-old {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.order-form {
  background: var(--color-bg-card);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  max-width: 420px;
}

@media (max-width: 900px) {
  .order-form {
    margin: 0 auto;
  }
}

.order-form label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text-muted);
}

.order-form input,
.order-form textarea {
  width: 100%;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

.order-form input.error,
.order-form textarea.error {
  border-color: var(--color-error);
}

.order-form .form-error,
.contact-form .form-error {
  display: none;
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: calc(-1 * var(--space-sm));
  margin-bottom: var(--space-sm);
}

.order-form .checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.order-form .checkbox-wrap input {
  width: auto;
  margin: 0.25rem 0 0 0;
}

.order-form .checkbox-wrap label {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  width: 100%;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.features {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
}

@media (min-width: 768px) {
  .features .feature-card:nth-child(odd) { border-left: 3px solid var(--color-primary); }
  .features .feature-card:nth-child(even) { border-left: 3px solid var(--color-accent); }
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: var(--color-bg-card);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.benefits {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 50%, var(--color-bg) 100%);
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 700px;
}

.benefit-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
  transition: transform var(--transition-fast);
}

.benefit-item:hover {
  transform: translateX(4px);
}

.benefit-item h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.benefit-item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.product-detail {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.product-detail .section-title {
  margin-bottom: var(--space-lg);
}

.product-detail p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  max-width: 720px;
}

.usage {
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
}

@media (max-width: 767px) {
  .usage { border-left: none; border-top: 4px solid var(--color-accent); }
}

.usage-steps {
  counter-reset: step;
  max-width: 600px;
}

.usage-step {
  position: relative;
  padding-left: 3.5rem;
  padding-bottom: var(--space-xl);
}

.usage-step:last-child {
  padding-bottom: 0;
}

.usage-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.usage-step h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.usage-step p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.composition {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-right: 4px solid var(--color-primary);
}

@media (max-width: 767px) {
  .composition { border-right: none; }
}

.composition-list {
  list-style: none;
  max-width: 560px;
}

.composition-list li {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.composition-list li:last-child {
  border-bottom: none;
}

.testimonials {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 50%, var(--color-bg) 100%);
  box-shadow: inset 0 0 0 1px var(--color-border);
}

.testimonial-card:nth-child(1) { border-top: 3px solid var(--color-primary); }
.testimonial-card:nth-child(2) { border-top: 3px solid var(--color-accent); }
.testimonial-card:nth-child(3) { border-top: 3px solid var(--color-primary); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--color-bg-alt);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.testimonial-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-card .author {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.testimonial-card .author-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.faq {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.faq-list {
  max-width: 720px;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item.is-open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.is-open .faq-answer {
  max-height: 30rem;
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding: 0 0 var(--space-lg) 0;
  margin: 0;
}

.cta-section {
  padding: var(--space-3xl) var(--space-xl);
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.cta-section h2 {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.cta-section p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.disclaimer {
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  max-width: 1200px;
  margin: 0 auto;
  line-height: 1.7;
}

.contact-section {
  padding: var(--space-3xl) var(--space-xl);
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  max-width: 560px;
  margin: 0 auto;
}

.contact-form label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

.contact-form input.error,
.contact-form textarea.error {
  border-color: var(--color-error);
}

.contact-form .checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.contact-form .checkbox-wrap input {
  width: auto;
  margin: 0.25rem 0 0 0;
}

.contact-form .checkbox-wrap label {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text);
}

footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) var(--space-xl);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xl);
  justify-content: space-between;
  align-items: flex-start;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: var(--space-2xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
  display: none;
}

.cookie-banner.is-visible {
  display: block;
}

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-banner p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
  max-width: 720px;
}

.cookie-banner-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.cookie-settings {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: none;
}

.cookie-settings.is-visible {
  display: block;
}

.cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-category:last-child {
  border-bottom: none;
}

.cookie-category label {
  font-size: 0.9375rem;
  color: var(--color-text);
  cursor: pointer;
}

.cookie-category .toggle {
  width: 2.5rem;
  height: 1.25rem;
  background: var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.cookie-category .toggle::after {
  content: '';
  position: absolute;
  width: 1rem;
  height: 1rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-full);
  top: 0.125rem;
  left: 0.125rem;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.cookie-category .toggle.is-on {
  background: var(--color-primary);
}

.cookie-category .toggle.is-on::after {
  transform: translateX(1.25rem);
  background: #fff;
}

.cookie-category .toggle.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.legal-page {
  padding: var(--space-3xl) var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.legal-page h1 {
  font-size: 1.75rem;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.legal-page h2 {
  font-size: 1.25rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.legal-page p,
.legal-page li {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
}

.legal-page ul {
  margin-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-page .updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.legal-page .home-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  color: var(--color-primary);
}

.legal-page .home-link:hover {
  color: var(--color-primary-hover);
}

.thank-you-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  text-align: center;
}

.thank-you-inner h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.thank-you-inner p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.thank-you-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.thank-you-block {
  padding: var(--space-2xl) var(--space-xl);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.thank-you-block .section-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

.thank-you-block p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

.thank-you-reminder {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-2xl);
  max-width: 720px;
  width: 100%;
  box-sizing: border-box;
}

.mailto-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.mailto-btn:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.footer-col .email-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}