:root {
  --color-primary: rgb(31, 31, 32);
  --color-secondary: rgb(180, 39, 4);
  --color-background: #F9FAFB;
  --color-text-primary: #111827;
  --color-text-secondary: #6B7280;
  --color-accent: rgb(29, 30, 32);
  --font-family-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
}

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

.gallery-img {
  margin-left: auto;
  margin-right: auto;
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
  opacity: 0.9;
}

.header {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.header__brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
}

.header__brand:hover {
  color: white;
  opacity: 0.9;
}

.nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.nav__link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--font-weight-medium);
}

.nav__link:hover {
  color: white;
}

.header__menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1.5rem;
  transition: background var(--transition-fast);
}

.header__menu-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.header__menu-btn[aria-expanded="true"] .bi-list {
  display: none;
}

.header__menu-btn[aria-expanded="true"] .bi-x {
  display: block;
}

.header__menu-btn .bi-x {
  display: none;
  font-size: 1.5rem;
}

.header__overlay {
  display: none;
}

.header__nav-wrap {
  display: flex;
  align-items: center;
}

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

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  padding: var(--spacing-3xl) 0;
  min-height: 80vh;
}

.hero__media {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.hero__image-wrap {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.hero__image {
  width: 100%;
  height: auto;
}

.hero__badges {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

.hero__rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.hero__trust-badge {
  background: var(--color-secondary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin: 0;
  color: var(--color-primary);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.hero__pricing {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.hero__price {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
}

.hero__price-old {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  text-decoration: line-through;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form__label {
  text-align: start;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form__input,
.form__textarea {
  padding: var(--spacing-md);
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(180, 39, 4, 0.2);
}

.form__input.error,
.form__textarea.error {
  border-color: var(--color-secondary);
}

.form__error {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  margin: 0;
}

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

.form__checkbox {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 2px;
  accent-color: var(--color-secondary);
}

.form__checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.form__checkbox-label a {
  text-decoration: underline;
}

.form__submit {
  background: var(--color-secondary);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.form__submit:hover {
  background: rgb(150, 33, 4);
  transform: translateY(-1px);
}

.form__submit:active {
  transform: translateY(0);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--spacing-xl);
  color: var(--color-primary);
  text-align: center;
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-xl);
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.feature-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature-card__icon {
  font-size: var(--font-size-2xl);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.feature-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--spacing-sm);
}

.feature-card__text {
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--line-height-relaxed);
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 700px;
  margin: 0 auto;
}

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

.benefit-item:hover {
  box-shadow: var(--shadow-md);
}

.benefit-item__icon {
  font-size: var(--font-size-xl);
  color: var(--color-secondary);
  flex-shrink: 0;
}

.benefit-item__title {
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--spacing-xs);
}

.benefit-item__text {
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--line-height-relaxed);
}

.content-block {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.content-block p {
  margin: 0 0 var(--spacing-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
}

.content-block p:last-child {
  margin-bottom: 0;
}

.usage-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  max-width: 600px;
  margin: 0 auto;
}

.usage-step {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.usage-step:hover {
  box-shadow: var(--shadow-md);
}

.usage-step__number {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-secondary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.usage-step__content h3 {
  margin: 0 0 var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.usage-step__content p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.ingredients-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.ingredient-item {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: box-shadow var(--transition-normal);
}

.ingredient-item:hover {
  box-shadow: var(--shadow-md);
}

.ingredient-item__name {
  font-weight: var(--font-weight-medium);
  margin: 0;
}

.ingredient-item__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--spacing-xs) 0 0;
}

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

.faq-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  width: 100%;
  padding: var(--spacing-lg);
  border: none;
  background: none;
  text-align: left;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  font-family: inherit;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
}

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

.faq-item__icon {
  font-size: var(--font-size-lg);
  color: var(--color-secondary);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  display: none;
}

.faq-item.active .faq-item__answer {
  display: block;
}

.faq-item__answer p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.cta-section {
  text-align: center;
  padding: var(--spacing-3xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  border-radius: var(--radius-xl);
}

.cta-section__title {
  font-size: var(--font-size-2xl);
  margin: 0 0 var(--spacing-md);
}

.cta-section__text {
  margin: 0 0 var(--spacing-xl);
  opacity: 0.9;
}

.cta-section__link {
  display: inline-block;
  background: var(--color-secondary);
  color: white;
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.cta-section__link:hover {
  background: rgb(150, 33, 4);
  transform: translateY(-2px);
  color: white;
}

.disclaimer {
  background: #FEF3C7;
  border: 1px solid #F59E0B;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
}

.footer {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-2xl) var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

.footer__link {
  color: rgba(255, 255, 255, 0.9);
}

.footer__link:hover {
  color: white;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

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

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

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

.cookie-banner__title {
  margin: 0 0 var(--spacing-md);
  font-size: var(--font-size-lg);
}

.cookie-banner__text {
  margin: 0 0 var(--spacing-lg);
  opacity: 0.9;
  font-size: var(--font-size-sm);
}

.cookie-banner__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.cookie-banner__btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.cookie-banner__btn--accept {
  background: var(--color-secondary);
  color: white;
}

.cookie-banner__btn--accept:hover {
  opacity: 0.9;
}

.cookie-banner__btn--reject {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.cookie-banner__btn--reject:hover {
  background: rgba(255, 255, 255, 0.3);
}

.cookie-banner__btn--settings {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.cookie-banner__btn--settings:hover {
  background: rgba(255, 255, 255, 0.1);
}

.cookie-settings {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: none;
}

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

.cookie-settings__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.cookie-settings__label {
  font-size: var(--font-size-sm);
}

.cookie-settings__toggle {
  width: 3rem;
  height: 1.5rem;
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  border: none;
  transition: background var(--transition-fast);
}

.cookie-settings__toggle::after {
  content: '';
  position: absolute;
  width: 1.25rem;
  height: 1.25rem;
  background: white;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
}

.cookie-settings__toggle.active {
  background: var(--color-secondary);
}

.cookie-settings__toggle.active::after {
  transform: translateX(1.5rem);
}

.cookie-settings__toggle:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-header {
  padding: var(--spacing-2xl) var(--spacing-xl);
  background: var(--color-primary);
  color: white;
}

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

.page-header__brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
}

.page-header__brand:hover {
  color: white;
}

.page-main {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-xl);
}

.page-main h1 {
  font-size: var(--font-size-2xl);
  margin: 0 0 var(--spacing-xl);
}

.page-main h2 {
  font-size: var(--font-size-xl);
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.page-main p {
  margin: 0 0 var(--spacing-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.page-main ul {
  margin: 0 0 var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.thank-you__content {
  text-align: center;
  padding: var(--spacing-3xl);
}

.thank-you__icon {
  font-size: 4rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

.thank-you__title {
  font-size: var(--font-size-2xl);
  margin: 0 0 var(--spacing-md);
}

.thank-you__text {
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-xl);
}

.error-page {
  text-align: center;
  padding: var(--spacing-3xl);
}

.error-page__code {
  font-size: 6rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin: 0;
}

.error-page__title {
  font-size: var(--font-size-2xl);
  margin: var(--spacing-md) 0;
}

.error-page__text {
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-xl);
}

@media (max-width: 1004px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__media {
    order: 1;
  }

  .hero__content {
    order: 2;
    align-items: center;
  }

  .hero__pricing {
    justify-content: center;
  }

  .header__menu-btn {
    display: flex;
    order: 1;
  }

  .header__nav-wrap {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(280px, 85vw);
    background: var(--color-primary);
    padding: var(--spacing-2xl) var(--spacing-xl);
    padding-top: calc(var(--spacing-2xl) + 3rem);
    z-index: 102;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
    flex-direction: column;
    align-items: stretch;
    overflow-y: auto;
  }

  .header.menu-open .header__nav-wrap {
    transform: translateX(0);
  }
  .header__brand{
    font-size: 1rem;
  }

  .header__overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 101;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .header.menu-open .header__overlay {
    opacity: 1;
    visibility: visible;
  }

  .header.menu-open .header__overlay[aria-hidden="false"] {
    cursor: pointer;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
    justify-content: flex-start;
  }

  .nav__list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .nav__link {
    display: block;
    padding: var(--spacing-md) 0;
    color: white;
  }

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

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .section__title {
    font-size: var(--font-size-xl);
  }
}