/* ===== Базовые стили ===== */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Кнопки ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

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

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

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

.btn--secondary:hover {
  background: var(--color-primary-light);
}

.btn--large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

.link {
  color: var(--color-primary);
  text-decoration: underline;
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--container-padding);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #f0f5ee 50%, #fafbf9 100%);
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

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

.hero__buttons .btn {
  min-width: 200px;
}

/* ===== Видео-блок ===== */
.video-block {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-block__preview {
  position: relative;
  aspect-ratio: 16/9;
  cursor: pointer;
}

.video-block__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-block__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.2s;
}

.video-block__play:hover {
  transform: translate(-50%, -50%) scale(1.05);
}

.video-block__embed {
  aspect-ratio: 16/9;
  position: relative;
}

.video-block__embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-block__preview.hidden {
  display: none;
}

/* ===== Карточки ===== */
.cards-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .cards-grid--fit {
    grid-template-columns: repeat(4, 1fr);
  }

  .cards-grid--not-fit {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

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

.card--fit {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
}

.card--not-fit {
  background: #f8f9f7;
  border: 1px solid var(--color-border);
  opacity: 0.95;
}

.card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

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

/* ===== Шаги (Как работает) ===== */
.steps {
  display: grid;
  gap: var(--space-xl);
  max-width: 700px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.step__num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: 50%;
}

.step__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

/* ===== Аккордеон ===== */
.accordion {
  max-width: 700px;
  margin: 0 auto;
}

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

.accordion__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  transition: background 0.2s;
}

.accordion__trigger:hover {
  background: var(--color-primary-light);
}

.accordion__icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform 0.2s;
}

.accordion__item.active .accordion__icon {
  transform: rotate(45deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion__item.active .accordion__content {
  max-height: 500px;
}

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

/* ===== Слайдер ===== */
.slider {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.slider__track {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.slider__slide {
  display: none;
  animation: fadeIn 0.3s ease;
}

.slider__slide.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.result-card {
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.result-card__comparison {
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.result-card__comparison img {
  width: 100%;
  display: block;
  vertical-align: top;
}

.result-card__info {
  padding: var(--space-xl) var(--space-lg);
}

.result-card__stats {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.result-card__quote {
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.slider__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 50%;
  font-size: 2rem;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transition: background 0.2s, color 0.2s;
  z-index: 2;
}

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

.slider__btn--prev {
  left: -16px;
}

.slider__btn--next {
  right: -16px;
}

@media (max-width: 600px) {
  .slider__btn {
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
  }

  .slider__btn--prev {
    left: 8px;
  }

  .slider__btn--next {
    right: 8px;
  }
}

.slider__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: background 0.2s;
}

.slider__dot:hover,
.slider__dot.active {
  background: var(--color-primary);
}

/* ===== Отзывы ===== */
.reviews-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.review-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.review-card__photo {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.review-card__text {
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
}

.review-card__name {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===== Эксперт ===== */
.expert-block {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 700px) {
  .expert-block {
    grid-template-columns: 300px 1fr;
  }
}

.expert-block__photo img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.expert-block__name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

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

.expert-block__list {
  padding-left: var(--space-lg);
}

.expert-block__list li {
  position: relative;
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
}

.expert-block__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ===== Тарифы ===== */
.tariffs-controls {
  margin-bottom: var(--space-2xl);
}

.tariffs-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.tariffs-tab {
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  background: var(--color-bg-section);
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.tariffs-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tariffs-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.tariffs-months {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.tariffs-month {
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-section);
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.tariffs-month:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tariffs-month.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.tariff-cards {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.tariff-card {
  display: none;
  flex: 0 1 360px;
  max-width: 100%;
  padding: var(--space-2xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border);
  text-align: center;
}

.tariff-card.active {
  display: flex;
  flex-direction: column;
  border-color: var(--color-primary);
}

.tariff-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.tariff-card__price {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
}

.tariff-card__features {
  flex-grow: 1;
  margin-bottom: var(--space-xl);
  text-align: left;
}

.tariff-card__features li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  font-size: 0.9375rem;
}

.tariff-card__features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

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

/* ===== CTA ===== */
.section--cta {
  background: var(--color-primary-light);
}

.cta-block {
  text-align: center;
}

.cta-block .btn {
  margin-bottom: var(--space-lg);
}

.cta-block__hint {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ===== Footer ===== */
.footer {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.85);
}

.footer__main {
  display: grid;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

@media (min-width: 600px) {
  .footer__main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .footer__main {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer__block {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  color: #fff;
}

.footer__block p {
  margin-bottom: var(--space-xs);
}

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

.footer__link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer__link:hover {
  color: #fff;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s, transform 0.2s;
}

.footer__icon:hover {
  color: #fff;
  transform: scale(1.1);
}

.footer__list {
  padding: 0;
  margin: 0;
}

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

.footer__list li:last-child {
  margin-bottom: 0;
}

.footer__disclaimer {
  margin-bottom: var(--space-xl);
}

.footer__disclaimer-text {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

.footer__copyright {
  font-size: 0.875rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* ===== Секции с чередующимся фоном ===== */
.section--fit,
.section--how,
.section--reviews,
.section--faq {
  background: var(--color-bg-section);
}

.section--presentation,
.section--not-fit,
.section--format,
.section--results,
.section--expert,
.section--tariffs {
  background: var(--color-bg);
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--container-padding);
  background: var(--color-bg-section);
  box-shadow: 0 -4px 20px rgba(45, 58, 45, 0.12);
  transition: transform 0.3s ease;
}

.cookie-banner.hidden {
  transform: translateY(100%);
}

.cookie-banner__text {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
  flex: 1;
}

.cookie-banner__link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__link:hover {
  color: var(--color-primary-hover);
}

.cookie-banner__btn {
  flex-shrink: 0;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  background: var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background 0.2s, color 0.2s;
}

.cookie-banner__btn:hover {
  background: #d0d8d0;
}

@media (max-width: 600px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
}