:root {
  --color-primary: #121214;
  --color-secondary: #f1f5f9;
  --color-accent: #0066ff;
  --color-bg: #ffffff;
  --color-border: rgba(18, 20, 20, 0.12);
  --font-main: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Roboto", sans-serif;
  --radius: 2px;
  --shadow: 0 12px 40px rgba(18, 20, 20, 0.08);
  --shadow-soft: 0 4px 24px rgba(0, 102, 255, 0.12);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 5rem;
  --header-h: 4.25rem;
  --line: 0.5px;
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-snap: 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body.page {
  margin: 0;
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  flex-direction: column;
  font-family: var(--font-main);
  color: var(--color-primary);
  background-color: var(--color-bg);
  line-height: 1.55;
}

.site-main {
  flex: 1 0 auto;
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #004ecc;
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: var(--line) solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  min-height: var(--header-h);
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

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

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

.site-brand__logo {
  width: 44px;
  height: auto;
  flex-shrink: 0;
}

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

@media (max-width: 420px) {
  .site-brand__text {
    max-width: 9rem;
    font-size: 0.85rem;
  }
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}

.site-nav__list a {
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-primary);
  padding: 0.25rem 0;
}

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

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: var(--line) solid var(--color-border);
  background: var(--color-bg);
  border-radius: var(--radius);
  cursor: pointer;
}

.burger__line {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 1px;
  background: var(--color-primary);
  margin-inline: auto;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger[aria-expanded="true"] .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.burger[aria-expanded="true"] .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1023px) {
  .burger {
    display: flex;
  }

  .site-nav {
    display: none;
  }
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 20, 20, 0.45);
  z-index: 45;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-snap), visibility var(--transition-snap);
}

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

.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(100%, 420px);
  max-width: 1023px;
  height: 100vh;
  max-height: 100dvh;
  background: var(--color-bg);
  z-index: 50;
  padding: calc(var(--header-h) + 1rem) 1.5rem 2rem;
  box-shadow: var(--shadow);
  transform: translateX(100%);
  transition: transform var(--transition-snap);
  overflow-y: auto;
}

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

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

.nav-drawer__list a {
  display: block;
  padding: 0.75rem 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-primary);
  border-bottom: var(--line) solid var(--color-border);
}

.nav-drawer__list a:hover,
.nav-drawer__list a:focus-visible {
  color: var(--color-accent);
}

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

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

.section--hero {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-xxl);
}

.section--contact {
  padding-bottom: var(--spacing-lg);
}

.section--legal {
  padding-top: 0;
  padding-bottom: var(--spacing-xl);
}

.hero {
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(0, 102, 255, 0.12), transparent 55%),
    linear-gradient(135deg, rgba(241, 245, 249, 0.95) 0%, #ffffff 45%, #f8fafc 100%);
  z-index: 0;
  pointer-events: none;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M30 0 L38 22 L60 22 L42 36 L48 60 L30 46 L12 60 L18 36 L0 22 L22 22 Z' fill='none' stroke='%23121214' stroke-opacity='0.06'/%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--spacing-lg);
  align-items: start;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--spacing-xl);
    align-items: stretch;
  }
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__lead {
  font-size: 1.05rem;
  max-width: 36rem;
  margin-bottom: var(--spacing-md);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.6rem;
  border: var(--line) solid var(--color-border);
  background: rgba(255, 255, 255, 0.85);
}

.hero__rating {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.9rem;
}

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

.hero__rating-value {
  font-weight: 700;
  font-size: 1.1rem;
}

.hero__rating-caption {
  font-size: 0.75rem;
  color: #475569;
}

.hero__price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.75rem;
}

.hero__price-old {
  font-size: 1rem;
  text-decoration: line-through;
  color: #64748b;
}

.hero__price-new {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero__price-note {
  font-size: 0.75rem;
  color: #64748b;
  width: 100%;
}

.hero__order {
  position: relative;
  z-index: 2;
}

.hero__content::before {
  content: "";
  position: absolute;
  inset: -1rem -1rem auto -1rem;
  bottom: auto;
  height: calc(100% + 2rem);
  background: rgba(255, 255, 255, 0.78);
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  z-index: -1;
  pointer-events: none;
}

@media (min-width: 900px) {
  .hero__content::before {
    inset: -1.5rem;
    height: calc(100% + 3rem);
  }
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: var(--spacing-md);
}

.section-heading--center {
  justify-content: center;
  text-align: center;
}

.section-heading__title {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  position: relative;
}

.section-heading__glyph {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border: var(--line) solid var(--color-accent);
  transform: rotate(36deg);
  transition: transform var(--transition-fast);
}

.section-heading:hover .section-heading__glyph,
.section-heading:focus-within .section-heading__glyph {
  animation: glyph-spin 0.6s ease-out;
}

@keyframes glyph-spin {
  0% {
    transform: rotate(36deg) scale(1);
  }
  50% {
    transform: rotate(216deg) scale(1.15);
  }
  100% {
    transform: rotate(396deg) scale(1);
  }
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

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

@media (min-width: 720px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

@media (min-width: 720px) {
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(241, 245, 249, 0.65));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  min-height: 11rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-soft), var(--shadow);
  border-color: rgba(0, 102, 255, 0.35);
  transform: translateY(-2px);
}

.card__title {
  font-size: 1rem;
  margin: 0 0 var(--spacing-xs);
  letter-spacing: 0.02em;
}

.card__text {
  margin: 0;
  font-size: 0.95rem;
  color: #334155;
}

.card--icon {
  min-height: 12rem;
}

.pent-icon {
  width: 36px;
  height: 36px;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15), transparent);
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  border: var(--line) solid rgba(0, 102, 255, 0.35);
  transition: transform 0.5s ease;
}

.card--icon:hover .pent-icon {
  transform: rotate(72deg);
}

.protocol__steps {
  display: grid;
  gap: var(--spacing-md);
}

@media (min-width: 900px) {
  .protocol__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.order-card {
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  display: grid;
  gap: var(--spacing-md);
}

@media (min-width: 600px) {
  .order-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .order-card__title {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .order-card__note {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .order-form {
    grid-column: 1;
    grid-row: 3;
  }

  .product-figure {
    grid-column: 2;
    grid-row: 3;
  }
}

.order-card__title {
  font-size: 1.1rem;
  margin: 0 0 0.25rem;
}

.order-card__note {
  font-size: 0.85rem;
  color: #475569;
  margin: 0 0 var(--spacing-sm);
}

.order-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  font: inherit;
  padding: 0.55rem 0.65rem;
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-primary);
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.form-field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-field--checkbox label {
  font-weight: 400;
  font-size: 0.85rem;
}

.form-field__error {
  font-size: 0.75rem;
  color: #b91c1c;
  min-height: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0 1.25rem;
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  border-radius: var(--radius);
  border: var(--line) solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  position: relative;
  overflow: hidden;
}

.btn--accent:hover {
  background: #004ecc;
  color: white;
  border-color: #004ecc;
}

.btn--accent:active {
  background: #fff;
  color: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.25);
}

.btn--accent.is-loading .btn__loader {
  opacity: 1;
}

.btn--accent.is-loading .btn__label {
  opacity: 0.85;
}

.btn__loader {
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  opacity: 0;
  animation: spin 0.7s linear infinite;
}

.btn--accent:active .btn__loader,
.btn--accent.is-loading .btn__loader {
  border-top-color: var(--color-accent);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.product-figure {
  margin: 0;
  text-align: center;
}

.product-figure__img {
  max-width: 100%;
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  margin-inline: auto;
}

.product-figure__cap {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.5rem;
}

.faq {
  max-width: 720px;
  margin-inline: auto;
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq__item + .faq__item {
  border-top: var(--line) solid var(--color-border);
}

.faq__trigger {
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  font: inherit;
  font-weight: 600;
  background: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--color-primary);
}

.faq__trigger::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq__trigger[aria-expanded="true"]::after {
  content: "−";
}

.faq__trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.faq__panel {
  padding: 0 1.25rem 1rem;
  background: var(--color-secondary);
}

.faq__panel p {
  margin: 0;
  font-size: 0.95rem;
  color: #334155;
}

.contact-block {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
}

.contact-block__text {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
}

.contact-block__link {
  font-weight: 600;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.contact-block__address {
  font-style: normal;
  margin-top: var(--spacing-md);
  font-size: 0.95rem;
  color: #334155;
}

.legal-disclaimer {
  margin: 0;
  padding: var(--spacing-md);
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  font-size: 0.9rem;
  color: #475569;
}

.legal-disclaimer p {
  margin: 0;
}

.site-footer {
  flex-shrink: 0;
  border-top: var(--line) solid var(--color-border);
  background: var(--color-secondary);
  padding: var(--spacing-md) 0;
}

.site-footer__grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.site-footer__copy {
  margin: 0;
  font-size: 0.85rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__nav a {
  font-size: 0.85rem;
  color: var(--color-primary);
  text-decoration: none;
}

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

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-snap), transform var(--transition-snap);
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-md);
  background: rgba(18, 20, 20, 0.92);
  color: #fff;
  border-top: var(--line) solid rgba(255, 255, 255, 0.12);
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner__inner {
  width: min(960px, 100%);
  margin-inline: auto;
}

.cookie-banner__title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.cookie-banner__text {
  margin: 0 0 var(--spacing-sm);
  font-size: 0.9rem;
  color: #e2e8f0;
}

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

.cookie-banner .btn--accent {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.cookie-banner .btn--accent:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.cookie-banner .btn--outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.cookie-banner .btn--outline:hover {
  border-color: #fff;
  color: #fff;
}

.cookie-banner .btn--ghost {
  color: #93c5fd;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.cookie-modal[hidden] {
  display: none;
}

.cookie-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 20, 20, 0.55);
}

.cookie-modal__panel {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: var(--radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
}

.cookie-modal__heading {
  margin: 0 0 var(--spacing-sm);
  font-size: 1.15rem;
}

.cookie-categories {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.cookie-categories__item {
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem;
}

.cookie-categories__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.cookie-categories__badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
}

.cookie-categories__desc {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: #475569;
}

.cookie-toggle {
  width: 44px;
  height: 24px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.cookie-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--spacing-md);
}

.page--legal .legal-article {
  max-width: 720px;
  margin-inline: auto;
}

.page--legal .legal-section {
  margin-bottom: var(--spacing-lg);
}

.page--legal .legal-section h2 {
  font-size: 1.15rem;
  margin-top: 0;
}

.page--legal .legal-figure {
  margin: var(--spacing-md) 0;
  text-align: center;
}

.page--legal .legal-figure img {
  width: 120px;
  height: auto;
  margin-inline: auto;
}

.page--legal code {
  font-size: 0.9em;
  padding: 0.1em 0.35em;
  border: var(--line) solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-secondary);
}

.thank-you {
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.thank-you__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--spacing-sm);
}

.thank-you__text {
  max-width: 32rem;
  margin-inline: auto;
}