:root {
  --color-primary: #1a1a1a;
  --color-secondary: #e2e8f0;
  --color-accent: #3b82f6;
  --color-bg: #ffffff;
  --font-main: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 12px;
  --shadow: 0 18px 48px rgba(26, 26, 26, 0.08);
  --spacing: 1.25rem;
  --header-h: 72px;
  --line-glow: rgba(59, 130, 246, 0.35);
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 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 {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-primary);
  overflow-x: hidden;
  background: var(--color-bg);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 10000;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
}

.skip-link:focus {
  left: 0.5rem;
}

.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: 900;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing);
  padding: 0.75rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}

.brand img {
  display: block;
  width: 44px;
  height: auto;
}

.nav-desktop {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1rem;
}

.nav-desktop a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

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

.burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--color-secondary);
  background: #fff;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.burger:hover,
.burger:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  outline: none;
}

.burger-lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 22px;
}

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

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

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

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

.nav-overlay {
  position: fixed;
  inset: 0;
  top: var(--header-h);
  z-index: 850;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-overlay nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
}

.nav-overlay a {
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: var(--color-primary);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav-overlay a:hover,
.nav-overlay a:focus-visible {
  border-color: var(--line-glow);
  background: rgba(59, 130, 246, 0.06);
  outline: none;
}

.overlay-backdrop {
  position: fixed;
  inset: 0;
  top: var(--header-h);
  z-index: 840;
  background: rgba(26, 26, 26, 0.35);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

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

main {
  flex: 1;
}

.section {
  padding: clamp(3rem, 8vw, 5.5rem) clamp(1rem, 5vw, 3rem);
}

.section__inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0 0 2rem;
  max-width: 62ch;
  color: #3f3f46;
  font-size: 1.05rem;
}

.grid {
  display: grid;
  gap: clamp(1rem, 3vw, 1.75rem);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid transparent;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(59, 130, 246, 0.45);
  box-shadow: 0 22px 56px rgba(26, 26, 26, 0.1);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: #475569;
  font-size: 0.95rem;
}

.hero {
  position: relative;
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 55%),
    radial-gradient(80% 60% at 10% 100%, rgba(226, 232, 240, 0.9) 0%, transparent 50%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem);
}

.hero__top {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .hero__top {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--color-secondary);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
}

.hero h1 {
  margin: 0.75rem 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.85rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.hero__intro {
  margin: 0;
  max-width: 52ch;
  color: #475569;
  font-size: 1.05rem;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.rating__stars {
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

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

.price {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.price--old {
  font-size: 1.1rem;
  color: #94a3b8;
  text-decoration: line-through;
}

.hero-order {
  display: grid;
  gap: 1.5rem;
  align-items: stretch;
  margin-top: 2rem;
}

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

.product-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(145deg, #f1f5f9 0%, #ffffff 100%);
  border: 1px solid var(--color-secondary);
  position: relative;
}

.product-figure img {
  display: block;
  width: 100%;
  height: auto;
  transform: translateZ(0);
  transition: transform 0.6s var(--transition), filter var(--transition);
  filter: saturate(1.02);
}

.refraction-hover:hover img,
.refraction-hover:focus-within img {
  transform: scale(1.02);
  filter: saturate(1.08) brightness(1.02) contrast(1.02);
}

.refraction-hover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    125deg,
    rgba(255, 255, 255, 0) 40%,
    rgba(255, 255, 255, 0.35) 48%,
    rgba(255, 255, 255, 0) 56%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  mix-blend-mode: screen;
}

.refraction-hover:hover::after,
.refraction-hover:focus-within::after {
  opacity: 1;
}

.order-form {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--color-secondary);
  box-shadow: var(--shadow);
}

.order-form h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  color: #64748b;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--color-secondary);
  border-radius: 8px;
  font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.field textarea {
  min-height: 100px;
  resize: vertical;
}

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

.field--invalid .field-error {
  display: block;
}

.field--invalid input,
.field--invalid textarea {
  border-color: #f87171;
}

.checkbox {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.9rem;
  color: #475569;
}

.checkbox input {
  margin-top: 0.25rem;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-accent);
}

.checkbox a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  background: var(--color-primary);
  color: #fff;
  transition: background var(--transition), color var(--transition), letter-spacing var(--transition), transform 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-accent);
  color: #fff;
  letter-spacing: 0.22em;
  outline: none;
}

.btn:active {
  transform: translateY(1px);
}

.legal-disclaimer {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px dashed #cbd5e1;
  background: #f8fafc;
  font-size: 0.88rem;
  color: #475569;
}

.legal-disclaimer p {
  margin: 0 0 0.5rem;
}

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

.segment {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.pentagon-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin: 1.5rem 0 0;
}

.pentagon {
  width: 48px;
  height: 48px;
  position: relative;
}

.pentagon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.pentagon .ring {
  fill: none;
  stroke: var(--color-secondary);
  stroke-width: 2;
}

.pentagon .fill {
  fill: rgba(59, 130, 246, 0.15);
  stroke: var(--color-accent);
  stroke-width: 1.5;
  transform-origin: center;
  animation: pent-pulse 4s ease-in-out infinite;
}

.pentagon:nth-child(2) .fill {
  animation-delay: 0.4s;
}

.pentagon:nth-child(3) .fill {
  animation-delay: 0.8s;
}

.pentagon:nth-child(4) .fill {
  animation-delay: 1.2s;
}

.pentagon:nth-child(5) .fill {
  animation-delay: 1.6s;
}

@keyframes pent-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.06);
    opacity: 1;
  }
}

.stat-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-secondary);
  font-size: 0.9rem;
}

.stat-line span:last-child {
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
  font-weight: 600;
}

.quote {
  font-style: normal;
  color: #475569;
}

.quote footer {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: #64748b;
}

.faq-item {
  border-bottom: 1px solid var(--color-secondary);
}

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

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

.faq-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--color-secondary);
  border-radius: 4px;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  transition: transform var(--transition);
}

.faq-icon::before {
  width: 10px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 10px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.is-open .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-panel {
  display: none;
  padding: 0 0 1rem;
  color: #475569;
  font-size: 0.95rem;
}

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

.contact-block {
  display: grid;
  gap: 1rem;
  max-width: 520px;
}

.contact-block a {
  color: var(--color-accent);
  font-weight: 600;
}

.site-footer {
  margin-top: auto;
  padding: 2rem clamp(1rem, 4vw, 2.5rem);
  border-top: 1px solid var(--color-secondary);
  background: #fafafa;
}

.footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
  text-align: center;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
}

.footer__nav a {
  color: #475569;
  text-decoration: none;
  font-size: 0.88rem;
}

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

.footer__copy {
  margin: 0;
  font-size: 0.85rem;
  color: #64748b;
}

.cookie-banner {
  position: fixed;
  z-index: 950;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid var(--color-secondary);
  box-shadow: 0 -12px 40px rgba(26, 26, 26, 0.1);
  transform: translateY(100%);
  transition: transform var(--transition);
}

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

.cookie-banner__inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.cookie-banner p {
  margin: 0;
  font-size: 0.92rem;
  color: #475569;
}

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

.btn--ghost {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-secondary);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-accent);
  background: #fff;
  color: var(--color-accent);
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 960;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(26, 26, 26, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.cookie-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.cookie-modal__box {
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.cookie-modal__box h2 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
}

.cookie-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-secondary);
  font-size: 0.92rem;
}

.switch {
  position: relative;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch label {
  position: absolute;
  inset: 0;
  background: #e2e8f0;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition);
}

.switch label::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.switch input:checked + label {
  background: var(--color-accent);
}

.switch input:checked + label::after {
  transform: translateX(20px);
}

.switch input:disabled + label {
  opacity: 0.6;
  cursor: not-allowed;
}

.legal-page {
  padding: 2rem clamp(1rem, 4vw, 2rem) 4rem;
}

.legal-page__inner {
  max-width: 800px;
  margin: 0 auto;
}

.legal-page h1 {
  margin-top: 0;
  font-size: 2rem;
}

.legal-page h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.legal-page p,
.legal-page li {
  color: #475569;
}

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

.date {
  font-size: 0.9rem;
  color: #64748b;
}

.thank-you {
  text-align: center;
  padding: 4rem 1rem;
  max-width: 560px;
  margin: 0 auto;
}

.thank-you h1 {
  font-size: 2rem;
}

@media (max-width: 1023px) {
  .nav-desktop {
    display: none;
  }

  .burger {
    display: inline-flex;
  }
}

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

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

body.menu-open {
  overflow: hidden;
}