@font-face {
  font-family: "SyneVar";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: local("Syne"), local("Syne Variable");
}

:root {
  --color-primary: #12141d;
  --color-secondary: #e2e8f0;
  --color-accent: #00ffd1;
  --color-bg: #fafbff;
  --font-main: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial,
    "Noto Sans", "Liberation Sans", sans-serif;
  --radius: 18px;
  --shadow: 0 12px 40px rgba(18, 20, 29, 0.12);
  --spacing: 16px;
  --max: 1120px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

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

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

body {
  margin: 0;
  font-family: var(--font-main);
  overflow-x: hidden;
  color: var(--color-primary);
  background: radial-gradient(1200px 900px at 20% -10%, rgba(0, 255, 209, 0.14), transparent 50%),
    radial-gradient(900px 700px at 95% 10%, rgba(18, 20, 29, 0.06), transparent 55%),
    var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.site-main {
  flex: 1;
}

.container {
  width: min(100% - 2 * var(--spacing), var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: #fff;
  padding: 10px 12px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 1000;
}

.skip-link:focus {
  left: 12px;
}

.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;
}

.muted {
  color: rgba(18, 20, 29, 0.7);
}

.tiny {
  font-size: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(250, 251, 255, 0.72);
  border-bottom: 1px solid rgba(18, 20, 29, 0.08);
}

.header-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(18, 20, 29, 0.12);
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-name {
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 12px;
  color: rgba(18, 20, 29, 0.66);
}

.nav-desktop {
  display: none;
  gap: 14px;
  justify-self: end;
}

.nav-link {
  font-size: 14px;
  padding: 10px 10px;
  border-radius: 999px;
  transition: letter-spacing 220ms var(--ease), background 220ms var(--ease),
    transform 220ms var(--ease);
  will-change: transform;
}

.nav-link:hover,
.nav-link:focus-visible {
  background: rgba(0, 255, 209, 0.12);
  letter-spacing: 0.04em;
  transform: translateY(-1px);
  outline: none;
}

.burger {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(18, 20, 29, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.burger:hover,
.burger:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(0, 255, 209, 0.6);
  outline: none;
}

.burger-lines {
  width: 18px;
  height: 12px;
  position: relative;
}

.burger-lines::before,
.burger-lines::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transition: transform 220ms var(--ease), top 220ms var(--ease),
    bottom 220ms var(--ease), opacity 220ms var(--ease);
}

.burger-lines::before {
  top: 1px;
}

.burger-lines::after {
  bottom: 1px;
}

@media (min-width: 1024px) {
  .header-grid {
    grid-template-columns: 1fr auto;
  }
  .nav-desktop {
    display: inline-flex;
  }
  .burger {
    display: none;
  }
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(18, 20, 29, 0.42);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  padding: 18px;
}

.menu-overlay[hidden] {
  display: none;
}

.menu-panel {
  width: min(520px, 100%);
  border-radius: calc(var(--radius) + 6px);
  background: rgba(250, 251, 255, 0.9);
  box-shadow: var(--shadow);
  border: 1px solid rgba(18, 20, 29, 0.12);
  overflow: hidden;
  transform: translateY(10px);
  opacity: 0;
  animation: menuIn 260ms var(--ease) forwards;
}

@keyframes menuIn {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(18, 20, 29, 0.08);
}

.menu-title {
  font-weight: 700;
}

.menu-close {
  background: transparent;
  border: 1px solid rgba(18, 20, 29, 0.16);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
  transition: letter-spacing 220ms var(--ease), border-color 220ms var(--ease);
}

.menu-close:hover,
.menu-close:focus-visible {
  border-color: rgba(0, 255, 209, 0.7);
  letter-spacing: 0.04em;
  outline: none;
}

.menu-nav {
  padding: 10px;
  display: grid;
  gap: 6px;
}

.menu-link {
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(18, 20, 29, 0.08);
  background: rgba(255, 255, 255, 0.56);
  transition: transform 220ms var(--ease), letter-spacing 220ms var(--ease),
    border-color 220ms var(--ease);
}

.menu-link:hover,
.menu-link:focus-visible {
  transform: translateY(-1px);
  letter-spacing: 0.04em;
  border-color: rgba(0, 255, 209, 0.7);
  outline: none;
}

.menu-legal {
  display: flex;
  gap: 12px;
  padding: 14px 16px 16px;
  border-top: 1px solid rgba(18, 20, 29, 0.08);
  flex-wrap: wrap;
}

.menu-legal a {
  font-size: 13px;
  color: rgba(18, 20, 29, 0.75);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(18, 20, 29, 0.08);
  background: rgba(255, 255, 255, 0.5);
}

.section {
  padding: 56px 0;
}

.hero {
  padding: 60px 0 64px;
  position: relative;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.prism {
  position: absolute;
  inset: -40% -10%;
  background:
    radial-gradient(50% 50% at 20% 30%, rgba(0, 255, 209, 0.22), transparent 55%),
    radial-gradient(45% 45% at 90% 10%, rgba(18, 20, 29, 0.10), transparent 60%),
    conic-gradient(from 220deg at 50% 50%,
      rgba(0, 255, 209, 0.16),
      rgba(226, 232, 240, 0.14),
      rgba(18, 20, 29, 0.06),
      rgba(0, 255, 209, 0.16)
    );
  filter: blur(22px);
  opacity: 0.85;
  animation: floatSlow 10s var(--ease) infinite alternate;
}

@keyframes floatSlow {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(0, -16px, 0) scale(1.02);
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  align-items: start;
}

.hero-copy {
  padding: 18px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(18, 20, 29, 0.7);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0, 255, 209, 0.9), rgba(18, 20, 29, 0.25));
}

h1 {
  margin: 10px 0 10px;
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: -0.04em;
  font-weight: 820;
}

.lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  max-width: 54ch;
  color: rgba(18, 20, 29, 0.82);
}

.hero-meta {
  margin-top: 18px;
  display: grid;
  gap: 12px;
  max-width: 62ch;
}

.rating {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.stars {
  letter-spacing: 0.14em;
  color: rgba(18, 20, 29, 0.9);
}

.rating-text {
  font-size: 13px;
  color: rgba(18, 20, 29, 0.72);
}

.trust-badge {
  border: 1px solid rgba(18, 20, 29, 0.12);
  background: rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  padding: 10px 12px;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(18, 20, 29, 0.06);
}

.price-row {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}

.price {
  font-size: 26px;
  font-weight: 820;
  letter-spacing: -0.02em;
}

.price-old {
  color: rgba(18, 20, 29, 0.55);
  text-decoration: line-through;
}

.price-note {
  font-size: 13px;
  color: rgba(18, 20, 29, 0.7);
}

.disclaimer {
  margin-top: 14px;
  border-left: 2px solid rgba(0, 255, 209, 0.7);
  padding-left: 12px;
  color: rgba(18, 20, 29, 0.74);
  max-width: 70ch;
}

.order {
  border-radius: calc(var(--radius) + 8px);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(18, 20, 29, 0.12);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.product-figure {
  position: relative;
  padding: 18px 18px 0;
}

.product-figure::before {
  content: "";
  position: absolute;
  inset: 10px 10px auto 10px;
  height: 70%;
  border-radius: 24px;
  background: radial-gradient(70% 70% at 20% 20%, rgba(0, 255, 209, 0.20), transparent 60%),
    radial-gradient(60% 60% at 90% 10%, rgba(18, 20, 29, 0.10), transparent 65%);
  filter: blur(18px);
  z-index: 0;
}

.product-img {
  position: relative;
  z-index: 1;
  border-radius: 26px;
  border: 1px solid rgba(18, 20, 29, 0.10);
  transform: translateZ(0);
}

.order-form {
  padding: 16px 18px 18px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(18, 20, 29, 0.68);
}

input,
textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(18, 20, 29, 0.14);
  background: rgba(250, 251, 255, 0.78);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(0, 255, 209, 0.9);
  box-shadow: 0 0 0 4px rgba(0, 255, 209, 0.14);
}

.error {
  min-height: 16px;
  font-size: 12px;
  color: rgba(188, 36, 36, 0.92);
}

.form-error {
  display: block;
  margin-top: 6px;
}

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 12px 0 6px;
  font-size: 13px;
  color: rgba(18, 20, 29, 0.78);
}

.check input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.check a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn {
  position: relative;
  width: 100%;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(18, 20, 29, 0.14);
  background: rgba(255, 255, 255, 0.66);
  cursor: pointer;
  transition: transform 220ms var(--ease), letter-spacing 220ms var(--ease),
    border-color 220ms var(--ease), background 220ms var(--ease);
  overflow: hidden;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  letter-spacing: 0.04em;
  border-color: rgba(0, 255, 209, 0.7);
  outline: none;
}

.btn-primary {
  background: rgba(18, 20, 29, 0.92);
  color: var(--color-secondary);
  border-color: rgba(0, 255, 209, 0.35);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  border-color: rgba(0, 255, 209, 0.9);
}

.btn-glow {
  position: absolute;
  inset: -60%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 255, 209, 0.55), transparent 45%);
  transform: translateX(-40%);
  transition: transform 500ms var(--ease), opacity 500ms var(--ease);
  opacity: 0.5;
}

.btn-primary:hover .btn-glow,
.btn-primary:focus-visible .btn-glow {
  transform: translateX(10%);
  opacity: 0.85;
}

.form-note {
  margin: 10px 0 0;
  font-size: 12px;
  color: rgba(18, 20, 29, 0.64);
  line-height: 1.5;
}

.section-head h2,
.section-head h1 {
  margin: 0;
}

.section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
  max-width: 78ch;
}

.section-sub {
  margin: 0;
  line-height: 1.6;
  color: rgba(18, 20, 29, 0.78);
}

h2 {
  font-size: 26px;
  letter-spacing: -0.03em;
}

h3 {
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 14px;
}

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

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

.border-light {
  border: 1px solid rgba(18, 20, 29, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.56);
}

.card {
  padding: 18px;
  transition: transform 260ms var(--ease), border-color 260ms var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 255, 209, 0.7);
}

.specs {
  display: grid;
  gap: 12px;
}

.spec {
  padding: 16px;
}

.accordion {
  margin-top: 18px;
  padding: 18px;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid rgba(18, 20, 29, 0.12);
  background: rgba(255, 255, 255, 0.58);
}

.accordion-title {
  margin: 0 0 12px;
}

.accordion-item + .accordion-item {
  margin-top: 10px;
}

.accordion-btn {
  width: 100%;
  text-align: left;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(18, 20, 29, 0.12);
  background: rgba(250, 251, 255, 0.72);
  cursor: pointer;
  transition: letter-spacing 220ms var(--ease), border-color 220ms var(--ease);
}

.accordion-btn:hover,
.accordion-btn:focus-visible {
  letter-spacing: 0.04em;
  border-color: rgba(0, 255, 209, 0.8);
  outline: none;
}

.accordion-panel {
  padding: 10px 6px 0;
  color: rgba(18, 20, 29, 0.76);
  line-height: 1.55;
}

.contact-grid {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.contact-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-note {
  margin: 14px 0 0;
  color: rgba(18, 20, 29, 0.7);
}

.legal {
  max-width: 78ch;
}

.legal-block {
  padding: 16px;
  margin-top: 14px;
}

.legal-block ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(18, 20, 29, 0.78);
}

.site-footer {
  border-top: 1px solid rgba(18, 20, 29, 0.08);
  background: rgba(250, 251, 255, 0.76);
  padding: 18px 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  gap: 12px;
  align-items: start;
}

.footer-brand {
  display: grid;
  gap: 4px;
}

.footer-name {
  font-weight: 740;
}

.footer-sub {
  font-size: 12px;
  color: rgba(18, 20, 29, 0.66);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-nav a {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(18, 20, 29, 0.08);
  background: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  transition: letter-spacing 220ms var(--ease), border-color 220ms var(--ease);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  letter-spacing: 0.04em;
  border-color: rgba(0, 255, 209, 0.7);
  outline: none;
}

.cookie-banner {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 80;
  padding: 12px;
  display: grid;
  place-items: end center;
}

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

.cookie-card {
  width: min(820px, 100%);
  padding: 16px;
  box-shadow: var(--shadow);
  background: rgba(250, 251, 255, 0.92);
  backdrop-filter: blur(14px);
}

.cookie-card h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.cookie-options {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.cookie-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(18, 20, 29, 0.10);
  background: rgba(255, 255, 255, 0.56);
}

.cookie-row input[type="checkbox"] {
  width: 44px;
  height: 24px;
  appearance: none;
  border-radius: 999px;
  border: 1px solid rgba(18, 20, 29, 0.22);
  background: rgba(18, 20, 29, 0.12);
  position: relative;
  cursor: pointer;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.cookie-row input[type="checkbox"]::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 3px;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(250, 251, 255, 0.95);
  box-shadow: 0 10px 20px rgba(18, 20, 29, 0.16);
  transition: left 200ms var(--ease);
}

.cookie-row input[type="checkbox"]:checked {
  background: rgba(0, 255, 209, 0.35);
  border-color: rgba(0, 255, 209, 0.8);
}

.cookie-row input[type="checkbox"]:checked::after {
  left: 22px;
}

.pill {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(18, 20, 29, 0.12);
  background: rgba(255, 255, 255, 0.6);
}

.pill-on {
  border-color: rgba(0, 255, 209, 0.6);
}

.cookie-actions {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

@media (min-width: 720px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 26px;
    align-items: center;
  }
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .specs {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
  .cookie-actions {
    grid-template-columns: repeat(3, 1fr);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .prism {
    animation: none;
  }
  .card,
  .btn,
  .nav-link,
  .menu-link {
    transition: none;
  }
}

.cursor-trail-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  pointer-events: none;
  z-index: 90;
  background: radial-gradient(circle at 30% 30%, rgba(0, 255, 209, 0.85), rgba(0, 255, 209, 0.2));
  box-shadow: 0 10px 22px rgba(0, 255, 209, 0.18);
  transform: translate(-50%, -50%);
  opacity: 0.9;
}