:root {
  --color-primary: #162a2c;
  --color-secondary: #f1f5f9;
  --color-accent: #2dd4bf;
  --color-bg: #ffffff;
  --color-line: rgba(22, 42, 44, 0.14);
  --font-main: system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 0;
  --shadow: none;
  --spacing: 1rem;
  --container: min(1120px, calc(100% - 2 * var(--spacing)));
  --header-h: 4.25rem;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body.page {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 0.5px;
  text-underline-offset: 0.2em;
  transition: color var(--transition), border-color var(--transition);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  z-index: 2000;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: var(--color-bg);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.container--narrow {
  max-width: 38rem;
}

.container--legal {
  max-width: 44rem;
  padding-block: 2rem 3rem;
}

.main {
  flex: 1 0 auto;
}

.main--centered {
  align-items: center;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 0.5px solid var(--color-line);
}

.site-header__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(90deg, var(--color-line) 0.5px, transparent 0.5px),
    linear-gradient(var(--color-line) 0.5px, transparent 0.5px);
  background-size: 24px 24px;
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

.site-brand__logo {
  flex-shrink: 0;
  width: 48px;
  height: auto;
  border: 0.5px solid var(--color-line);
}

.site-brand__text {
  font-size: 0.95rem;
  max-width: 12rem;
}

.nav-desktop {
  display: none;
}

.nav-desktop__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}

.nav-desktop__list a {
  display: inline-block;
  padding: 0.35rem 0.45rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 0.5px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.nav-desktop__list a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.burger {
  position: relative;
  z-index: 160;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0.5px solid var(--color-line);
  background: var(--color-bg);
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition);
}

.burger:hover,
.burger:focus-visible {
  border-color: var(--color-accent);
  outline: none;
}

.burger__line {
  display: block;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.burger[aria-expanded="true"] .burger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.burger[aria-expanded="true"] .burger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(22, 42, 44, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.nav-mobile {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 150;
  width: min(22rem, 100%);
  height: 100vh;
  padding: calc(var(--header-h) + 1rem) 1.25rem 2rem;
  background: var(--color-bg);
  border-left: 0.5px solid var(--color-line);
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

.nav-mobile.is-open {
  transform: translateX(0);
}

.nav-mobile__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-mobile__list a {
  display: block;
  padding: 0.85rem 0.5rem;
  font-size: 0.95rem;
  text-decoration: none;
  border-bottom: 0.5px solid var(--color-line);
  transition: color var(--transition), padding-left var(--transition);
}

.nav-mobile__list a:hover,
.nav-mobile__list a:focus-visible {
  color: var(--color-accent);
  padding-left: 0.75rem;
  outline: none;
}

@media (min-width: 1024px) {
  .burger {
    display: none;
  }

  .nav-desktop {
    display: block;
  }

  .nav-mobile,
  .nav-overlay {
    display: none !important;
  }
}

.section {
  padding-block: clamp(3rem, 6vw, 5rem);
  position: relative;
}

.section--surface {
  background: var(--color-secondary);
}

.section__header {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section__intro {
  margin: 0;
  color: rgba(22, 42, 44, 0.82);
}

.hero {
  padding-block: clamp(3rem, 8vw, 5.5rem);
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(45, 212, 191, 0.07), transparent 45%),
    linear-gradient(90deg, rgba(22, 42, 44, 0.06) 0.5px, transparent 0.5px),
    linear-gradient(rgba(22, 42, 44, 0.06) 0.5px, transparent 0.5px);
  background-size: auto, 32px 32px, 32px 32px;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero__layout {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}

@media (min-width: 900px) {
  .hero__layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.hero__content {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 0.5px solid var(--color-line);
  background: rgba(255, 255, 255, 0.88);
}

.hero__title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.hero__subtitle {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(22, 42, 44, 0.65);
}

.hero__lead {
  margin: 0 0 1.25rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.hero__badge {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 0.5px solid var(--color-line);
}

.hero__rating {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.hero__stars {
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.hero__price {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.hero__price-current {
  font-size: 1.75rem;
  font-weight: 600;
}

.hero__price-old {
  font-size: 1rem;
  text-decoration: line-through;
  opacity: 0.55;
}

.hero__order {
  display: grid;
  gap: 1.25rem;
  justify-items: center;
}

.hero__figure {
  margin: 0;
  position: relative;
  padding: 1rem;
  border: 0.5px solid var(--color-line);
  background: rgba(241, 245, 249, 0.5);
  max-width: 22rem;
}

.hero__product-img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.order-form {
  width: 100%;
  max-width: 22rem;
  border: 0.5px solid var(--color-line);
  padding: 1.25rem;
  background: var(--color-bg);
}

.order-form__fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.order-form__legend {
  padding: 0;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
}

.form-input {
  width: 100%;
  margin-bottom: 0.85rem;
  padding: 0.65rem 0.75rem;
  font: inherit;
  color: inherit;
  border: 0.5px solid var(--color-line);
  background: var(--color-bg);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.form-input--textarea {
  resize: vertical;
  min-height: 5rem;
}

.form-check {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.form-check input {
  margin-top: 0.2rem;
}

.form-error {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: #b42318;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.25rem 1.35rem;
  border: 0.5px solid var(--color-line);
  background: rgba(255, 255, 255, 0.65);
  transition: border-color var(--transition), transform var(--transition);
}

.section--surface .card {
  background: rgba(255, 255, 255, 0.85);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.card__title {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.card__text {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(22, 42, 44, 0.85);
}

.matrix {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .matrix {
    grid-template-columns: repeat(3, 1fr);
  }
}

.matrix__item {
  position: relative;
}

.matrix__marker {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 0.5px solid var(--color-line);
  cursor: default;
  transition: border-color var(--transition), color var(--transition);
}

.matrix__marker::after {
  content: attr(data-tech);
  position: absolute;
  bottom: calc(100% + 0.35rem);
  right: 0;
  width: 14rem;
  max-width: 70vw;
  padding: 0.5rem 0.65rem;
  font-size: 0.65rem;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--color-primary);
  background: var(--color-bg);
  border: 0.5px solid var(--color-line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  pointer-events: none;
  z-index: 2;
}

.matrix__marker:hover,
.matrix__marker:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.matrix__marker:hover::after,
.matrix__marker:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.quote {
  margin: 0;
}

.quote__text {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.quote__footer {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.75;
}

.faq {
  max-width: 40rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq__item {
  padding: 0;
  overflow: hidden;
}

.faq__question {
  width: 100%;
  text-align: left;
  padding: 1rem 1.15rem;
  margin: 0;
  font: inherit;
  font-weight: 600;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  transition: color var(--transition);
}

.faq__question::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.faq__question[aria-expanded="true"]::after {
  content: "–";
  transform: rotate(180deg);
}

.faq__question:hover,
.faq__question:focus-visible {
  color: var(--color-accent);
  outline: none;
}

.faq__answer {
  padding: 0 1.15rem 1rem;
  font-size: 0.95rem;
  color: rgba(22, 42, 44, 0.88);
}

.faq__answer p {
  margin: 0;
}

.section--contact .contact-block {
  max-width: 32rem;
  margin-inline: auto;
  text-align: center;
}

.contact-block__line {
  margin: 0 0 0.5rem;
}

.legal-disclaimer {
  padding: 1.5rem 0 2.5rem;
  border-top: 0.5px solid var(--color-line);
  background: linear-gradient(180deg, rgba(241, 245, 249, 0.6), transparent);
}

.legal-disclaimer__text {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(22, 42, 44, 0.78);
  text-align: center;
  max-width: 48rem;
  margin-inline: auto;
}

.site-footer {
  flex-shrink: 0;
  border-top: 0.5px solid var(--color-line);
  background: var(--color-secondary);
  padding-block: 1.5rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer__copy {
  margin: 0;
  font-size: 0.8rem;
}

.site-footer__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__list a {
  font-size: 0.8rem;
  text-decoration: none;
  border-bottom: 0.5px solid transparent;
}

.site-footer__list a:hover {
  border-bottom-color: var(--color-accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.85rem 1.35rem;
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.75rem;
  border: 0.5px solid var(--color-line);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.1s ease;
}

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

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

.btn--primary:active {
  transform: translate(2px, 2px);
}

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

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--block {
  width: 100%;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3000;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.97);
  border-top: 0.5px solid var(--color-line);
  box-shadow: 0 -8px 30px rgba(22, 42, 44, 0.08);
}

.cookie-banner__inner {
  width: var(--container);
  margin-inline: auto;
}

.cookie-banner__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.cookie-banner__text {
  margin: 0 0 1rem;
  font-size: 0.85rem;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 3100;
}

.cookie-modal[hidden],
.cookie-banner[hidden] {
  display: none !important;
}

.cookie-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(22, 42, 44, 0.5);
}

.cookie-modal__panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(26rem, calc(100% - 2rem));
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: 1.5rem;
  background: var(--color-bg);
  border: 0.5px solid var(--color-line);
}

.cookie-modal__title {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.cookie-categories {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cookie-category {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 0.5px solid var(--color-line);
}

.cookie-category__name {
  font-weight: 600;
  font-size: 0.9rem;
}

.cookie-category__note {
  font-size: 0.8rem;
  color: rgba(22, 42, 44, 0.75);
}

.cookie-category__state {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cookie-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.cookie-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.thank__title {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.thank__text {
  margin: 0 0 1rem;
}

.thank__actions {
  margin-top: 1.5rem;
}

.legal-page__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 3vw, 2.1rem);
}

.legal-page__date {
  margin: 0 0 2rem;
  font-size: 0.85rem;
  color: rgba(22, 42, 44, 0.65);
}

.legal-section {
  margin-bottom: 1.75rem;
}

.legal-section__title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.legal-section p {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.nowrap {
  white-space: nowrap;
}

.page--simple .section--thank {
  padding-block: clamp(4rem, 12vh, 8rem);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .nav-mobile,
  .nav-overlay,
  .burger__line {
    transition: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}