:root {
  --color-primary: #0d0d0e;
  --color-secondary: #e2e8f0;
  --color-accent: #535bf2;
  --color-bg: #ffffff;
  --font-main: "DM Sans", system-ui, -apple-system, Segoe UI, sans-serif;
  --radius: 0;
  --shadow: 0 12px 40px rgba(13, 13, 14, 0.08);
  --spacing: 1rem;
  --line-thin: 0.5px;
  --header-h: 4.25rem;
  --max-w: 72rem;
}

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

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 10000;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
}

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

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: var(--color-primary);
}

.wrap {
  width: min(100% - 2rem, var(--max-w));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: var(--line-thin) solid var(--color-secondary);
}

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

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

.brand img {
  width: 40px;
  height: 40px;
}

.nav-desktop {
  display: none;
}

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

.nav-desktop a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}

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

.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: var(--line-thin) solid var(--color-primary);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.burger span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.3s ease, opacity 0.2s ease;
}

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

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

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

.burger:hover,
.burger:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

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

  .nav-desktop {
    display: block;
  }
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 950;
  background: rgba(13, 13, 14, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

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

.mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 960;
  width: min(100%, 1023px);
  max-width: 1023px;
  height: 100vh;
  max-height: 100dvh;
  background: var(--color-bg);
  border-left: var(--line-thin) solid var(--color-secondary);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.5rem 2rem;
  overflow-y: auto;
}

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

.mobile-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: var(--line-thin) solid var(--color-secondary);
}

.menu-close {
  width: 44px;
  height: 44px;
  border: var(--line-thin) solid var(--color-primary);
  background: transparent;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
}

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

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

.nav-mobile a {
  display: block;
  padding: 0.85rem 0;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: var(--line-thin) solid var(--color-secondary);
}

.nav-mobile a:hover,
.nav-mobile a:focus-visible {
  color: var(--color-accent);
  padding-left: 0.35rem;
  transition: padding 0.2s ease;
}

main {
  flex: 1;
}

.section {
  padding: clamp(3rem, 6vw, 5.5rem) 0;
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: var(--line-thin);
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-secondary) 15%,
    var(--color-secondary) 85%,
    transparent
  );
  opacity: 0.6;
  pointer-events: none;
  transform: translateX(-50%);
}

.section-head {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.section-head p {
  margin: 0;
  color: #3f3f46;
  font-size: 0.95rem;
}

.grid-2 {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  border: var(--line-thin) solid var(--color-secondary);
  background: var(--color-bg);
  padding: clamp(1.25rem, 2vw, 1.75rem);
  transition: box-shadow 0.35s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border: var(--line-thin) solid transparent;
  pointer-events: none;
  transition: box-shadow 0.45s ease;
}

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

.card:hover::after {
  box-shadow: inset 0 0 0 1px rgba(83, 91, 242, 0.35);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card p {
  margin: 0;
  font-size: 0.92rem;
  color: #3f3f46;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  background: var(--color-primary);
  color: #fff;
  transition: background 0.2s ease, color 0.2s ease, letter-spacing 0.25s ease,
    transform 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-accent);
  color: #fff;
  letter-spacing: 0.22em;
}

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

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

.hero {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

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

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-visual {
  position: relative;
  order: 2;
}

@media (min-width: 900px) {
  .hero-visual {
    order: 0;
  }
}

.hero-copy {
  order: 1;
  position: relative;
  z-index: 2;
}

.hero-bg-grid {
  position: absolute;
  inset: -20% -10%;
  z-index: 0;
  opacity: 0.35;
  background-image: linear-gradient(
      var(--color-secondary) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, var(--color-secondary) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.hero-product-wrap {
  position: relative;
  z-index: 1;
  max-width: 360px;
  margin-inline: auto;
}

.hero-product-wrap img {
  width: 100%;
  height: auto;
  border: var(--line-thin) solid var(--color-secondary);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.hero-lead {
  margin: 0 0 1.25rem;
  color: #3f3f46;
  font-size: 0.98rem;
  max-width: 36ch;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin-bottom: 1.25rem;
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.stars {
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  border: var(--line-thin) solid var(--color-primary);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.price {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.price-old {
  font-size: 1rem;
  text-decoration: line-through;
  color: #71717a;
}

.order-card {
  border: var(--line-thin) solid var(--color-secondary);
  padding: clamp(1.25rem, 2vw, 1.75rem);
  background: rgba(255, 255, 255, 0.96);
  position: relative;
}

.order-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border: var(--line-thin) solid transparent;
  pointer-events: none;
  transition: box-shadow 0.5s ease;
}

.order-card:hover::before {
  box-shadow: inset 0 0 0 1px rgba(83, 91, 242, 0.4);
}

.order-card h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: var(--line-thin) solid var(--color-secondary);
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
}

.form-row input:focus-visible,
.form-row textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 0;
}

.form-row .error-msg {
  display: none;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: #b91c1c;
}

.form-row.is-invalid .error-msg {
  display: block;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: flex-start;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.checkbox-row .error-msg {
  flex-basis: 100%;
  margin-left: 1.75rem;
}

.checkbox-row input {
  margin-top: 0.25rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.metric {
  text-align: center;
  padding: 1rem;
  border: var(--line-thin) solid var(--color-secondary);
}

.metric .num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.metric .lbl {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #52525b;
}

.sphere-deco {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.sphere-deco span {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: var(--line-thin) solid var(--color-secondary);
  background: radial-gradient(
    circle at 30% 30%,
    #ffffff,
    var(--color-secondary)
  );
  box-shadow: inset 0 0 0 1px rgba(83, 91, 242, 0.25);
  animation: sphere-sync 8s ease-in-out infinite;
}

.sphere-deco span:nth-child(2) {
  animation-delay: 0.15s;
}

.sphere-deco span:nth-child(3) {
  animation-delay: 0.3s;
}

.sphere-deco span:nth-child(4) {
  animation-delay: 0.45s;
}

.sphere-deco span:nth-child(5) {
  animation-delay: 0.6s;
}

@keyframes sphere-sync {
  0%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0.85;
  }

  50% {
    transform: translateY(-6px) scale(1.03);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sphere-deco span {
    animation: none;
  }

  .reveal,
  .reveal-line {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.coord-deco {
  font-family: ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: #a1a1aa;
  margin-top: 0.75rem;
}

.faq-list {
  max-width: 44rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: var(--line-thin) solid var(--color-secondary);
}

.faq-item h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
}

.faq-item button {
  width: 100%;
  text-align: left;
  padding: 1rem 0;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--color-primary);
}

.faq-item button:hover,
.faq-item button:focus-visible {
  color: var(--color-accent);
}

.faq-item button .icon {
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-item button[aria-expanded="true"] .icon {
  transform: rotate(45deg);
}

.faq-panel {
  display: none;
  padding: 0 0 1rem;
  font-size: 0.92rem;
  color: #3f3f46;
}

.faq-panel.is-open {
  display: block;
}

.contact-block {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
}

.contact-block a.mail {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border: var(--line-thin) solid var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: background 0.2s ease, color 0.2s ease;
}

.contact-block a.mail:hover,
.contact-block a.mail:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.legal-strip {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: 1rem 1.25rem;
  border: var(--line-thin) solid var(--color-secondary);
  background: #fafafa;
  font-size: 0.85rem;
  color: #3f3f46;
  max-width: 48rem;
  margin-inline: auto;
}

.legal-strip p {
  margin: 0;
}

.site-footer {
  margin-top: auto;
  border-top: var(--line-thin) solid var(--color-secondary);
  padding: 2rem 0;
  background: #fafafa;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.footer-links a {
  color: var(--color-primary);
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid var(--color-secondary);
}

.footer-links a:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

.footer-copy {
  font-size: 0.8rem;
  color: #52525b;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--color-bg);
  border-top: var(--line-thin) solid var(--color-secondary);
  padding: 1rem 1rem 1.25rem;
  box-shadow: 0 -8px 32px rgba(13, 13, 14, 0.08);
  transform: translateY(110%);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.cookie-inner {
  width: min(100% - 1rem, var(--max-w));
  margin-inline: auto;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.cookie-settings {
  display: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: var(--line-thin) solid var(--color-secondary);
}

.cookie-settings.is-open {
  display: block;
}

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
}

.toggle-row input:disabled + span {
  opacity: 0.6;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.reveal-line {
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity 0.5s ease, transform 0.6s ease;
}

.reveal-line.is-visible {
  opacity: 1;
  transform: scaleX(1);
}

.page-hero {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0 2rem;
  border-bottom: var(--line-thin) solid var(--color-secondary);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.legal-page main section {
  padding: 1.5rem 0;
}

.legal-page h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
}

.legal-page h3 {
  font-size: 1rem;
  margin: 1.25rem 0 0.5rem;
}

.legal-page p,
.legal-page li {
  font-size: 0.95rem;
  color: #3f3f46;
}

.legal-page ul {
  padding-left: 1.25rem;
}

.date {
  font-size: 0.9rem;
  color: #52525b;
  margin-top: 1rem;
}

.thank-panel {
  max-width: 36rem;
  margin: 0 auto;
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) 0;
}

.thank-panel h1 {
  margin: 0 0 1rem;
}