:root {
  --color-primary: #3d5a80;
  --color-primary-dark: #293241;
  --color-accent: #ee6c4d;
  --color-accent-hover: #f28b6d;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-bg: #f8f6f3;
  --color-bg-alt: #efe9e2;
  --color-white: #ffffff;
  --color-border: #e0d9d0;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', system-ui, sans-serif;
  --shadow-sm: 0 2px 4px rgba(61, 90, 128, 0.08);
  --shadow-md: 0 4px 12px rgba(61, 90, 128, 0.12);
  --shadow-lg: 0 8px 24px rgba(61, 90, 128, 0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --transition: 0.25s ease;
  --header-height: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

.header__logo:hover {
  color: var(--color-primary-dark);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header__nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
}

.header__menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.main {
  min-height: calc(100vh - var(--header-height) - 200px);
}

.section {
  padding: var(--space-2xl) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.section__title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white) !important;
}

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

.btn--accent:hover {
  background: var(--color-accent-hover);
  color: var(--color-primary-dark) !important;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white) !important;
}

.footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-2xl);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer__links {
  list-style: none;
}

.footer__link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
  display: block;
  margin-bottom: var(--space-sm);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__address {
  font-size: 0.9rem;
  opacity: 0.9;
  line-height: 1.7;
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
  opacity: 0.85;
  text-align: center;
}

.hero {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: var(--space-xl) var(--space-md);
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.hero__image-wrap {
  text-align: center;
}

.hero__image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.hero__rating {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent);
  font-weight: 600;
}

.hero__trust-badge {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

.hero__content h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.hero__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.hero__prices {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.hero__price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero__old-price {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form__input {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form__input.error {
  border-color: #c53030;
}

.form__error {
  font-size: 0.8rem;
  color: #c53030;
  margin-top: var(--space-xs);
}

.form__checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.form__checkbox {
  margin-top: 4px;
}

.form__checkbox-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.form__checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.features {
  background: var(--color-white);
}

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

.feature-card {
  padding: var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

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

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

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

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

.benefit-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.benefit-item__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.benefit-item__text {
  color: var(--color-text-muted);
}

.description {
  background: var(--color-white);
}

.description__content {
  max-width: 700px;
  margin: 0 auto;
}

.description__content p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

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

.usage__list {
  list-style: none;
  max-width: 600px;
  margin: 0 auto;
}

.usage__item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.usage__num {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.usage__text {
  color: var(--color-text-muted);
}

.ingredients {
  background: var(--color-white);
}

.ingredients__list {
  max-width: 600px;
  margin: 0 auto;
}

.ingredients__item {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
}

.ingredients__item:last-child {
  border-bottom: none;
}

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

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

.testimonial-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.testimonial-card__stars {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.testimonial-card__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-style: italic;
}

.testimonial-card__author {
  font-weight: 600;
  color: var(--color-primary);
}

.faq {
  background: var(--color-white);
}

.faq__list {
  max-width: 700px;
  margin: 0 auto;
}

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

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

.faq__question:hover {
  background: var(--color-bg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq__item.active .faq__answer {
  max-height: 300px;
}

.faq__answer-inner {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-text-muted);
}

.faq__question::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 300;
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.faq__item.active .faq__question::after {
  content: '−';
}

.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.cta-section__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.cta-section__desc {
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}

.cta-section .btn--accent {
  color: var(--color-primary-dark);
}

.disclaimer {
  background: var(--color-bg-alt);
  padding: var(--space-lg) var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  padding: var(--space-lg);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform var(--transition);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.cookie-banner__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.cookie-banner__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 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.visible {
  display: block;
}

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

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

.cookie-settings__label {
  font-size: 0.9rem;
}

.cookie-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--color-border);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition);
}

.cookie-toggle.active {
  background: var(--color-primary);
}

.cookie-toggle::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--color-white);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition);
  box-shadow: var(--shadow-sm);
}

.cookie-toggle.active::after {
  transform: translateX(20px);
}

.cookie-settings__locked {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.cookie-settings__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

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

.legal-page h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.legal-page h2 {
  font-size: 1.2rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-page p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

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

.legal-page__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.legal-page .btn {
  margin-bottom: var(--space-lg);
}

.thank-you-page {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.thank-you-page h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.thank-you-page__blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  max-width: 900px;
  margin: var(--space-xl) auto;
}

.thank-you-page__block {
  background: var(--color-bg-alt);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

.thank-you-page__block h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.thank-you-page__block p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

@media (max-width: 1000px) {
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    margin: 0;
    box-shadow: var(--shadow-md);
    gap: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__menu-toggle {
    display: block;
  }

  .cookie-banner__buttons {
    flex-direction: column;
  }

  .cookie-banner__buttons .btn {
    width: 100%;
  }

  .cookie-settings__buttons {
    flex-direction: column;
  }

  .cookie-settings__buttons .btn {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--space-xl) var(--space-md);
  }
}