:root {
  --bg: #050916;
  --bg-soft: #091225;
  --panel: rgba(11, 22, 43, 0.78);
  --panel-strong: rgba(9, 18, 35, 0.94);
  --text: #edf6ff;
  --muted: #a8b8cc;
  --line: rgba(119, 214, 255, 0.2);
  --body-bg:
    radial-gradient(circle at 20% 0%, rgba(14, 165, 255, 0.28), transparent 28rem),
    radial-gradient(circle at 88% 12%, rgba(61, 220, 151, 0.16), transparent 24rem),
    linear-gradient(135deg, #040711 0%, #071124 54%, #050916 100%);
  --grid-line: rgba(99, 230, 255, 0.07);
  --header-bg: rgba(5, 9, 22, 0.76);
  --hero-visual-bg:
    linear-gradient(135deg, rgba(9, 18, 35, 0.55), rgba(14, 165, 255, 0.1)),
    radial-gradient(circle at 50% 52%, rgba(99, 230, 255, 0.23), transparent 28rem),
    linear-gradient(135deg, #08162b, #092238);
  --section-bg: linear-gradient(180deg, rgba(6, 14, 29, 0.44), rgba(9, 18, 35, 0.82));
  --input-bg: rgba(3, 7, 18, 0.72);
  --footer-bg: #030712;
  --logo-blend: screen;
  --logo-tile: rgba(255, 255, 255, 0.96);
  --button-text: #edf6ff;
  --button-secondary-bg: rgba(6, 14, 29, 0.78);
  --blue: #0ea5ff;
  --cyan: #63e6ff;
  --violet: #8b5cf6;
  --green: #3ddc97;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 8px;
}

html[data-theme="light"] {
  --bg: #f6fbff;
  --bg-soft: #eaf5ff;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --text: #071124;
  --muted: #506174;
  --line: rgba(14, 84, 142, 0.18);
  --body-bg:
    radial-gradient(circle at 17% 0%, rgba(14, 165, 255, 0.22), transparent 29rem),
    radial-gradient(circle at 84% 10%, rgba(61, 220, 151, 0.2), transparent 24rem),
    linear-gradient(135deg, #fafdff 0%, #edf7ff 53%, #f7fbff 100%);
  --grid-line: rgba(14, 84, 142, 0.08);
  --header-bg: rgba(250, 253, 255, 0.82);
  --hero-visual-bg:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(14, 165, 255, 0.12)),
    radial-gradient(circle at 50% 52%, rgba(99, 230, 255, 0.34), transparent 27rem),
    linear-gradient(135deg, #f8fcff, #dff7ff);
  --section-bg: linear-gradient(180deg, rgba(234, 245, 255, 0.54), rgba(255, 255, 255, 0.84));
  --input-bg: rgba(255, 255, 255, 0.76);
  --footer-bg: #eaf5ff;
  --logo-blend: normal;
  --logo-tile: rgba(255, 255, 255, 0.92);
  --button-text: #ffffff;
  --button-secondary-bg: rgba(255, 255, 255, 0.72);
  --shadow: 0 24px 70px rgba(14, 46, 84, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--body-bg);
  min-height: 100vh;
}

html[data-view="mobile"] {
  background: #020617;
}

html[data-view="mobile"] body {
  max-width: 390px;
  margin: 0 auto;
  overflow-x: hidden;
  box-shadow:
    0 0 0 1px rgba(99, 230, 255, 0.28),
    0 30px 110px rgba(0, 0, 0, 0.55);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
  z-index: -1;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 176px;
  height: 44px;
  object-fit: contain;
  object-position: center center;
  mix-blend-mode: var(--logo-blend);
  border-radius: 9px;
  clip-path: inset(0 round 9px);
  filter: drop-shadow(0 0 16px rgba(14, 165, 255, 0.35));
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav-links a:hover,
.nav-dropdown summary:hover {
  color: var(--cyan);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  transition: color 180ms ease;
}

.nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.dropdown-caret {
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 180ms ease;
}

.nav-dropdown[open] .dropdown-caret {
  transform: translateY(2px) rotate(225deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  z-index: 80;
  width: 220px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

.nav-dropdown-menu::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  width: 14px;
  height: 14px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--panel-strong);
  transform: translateX(-50%) rotate(45deg);
}

.nav-dropdown-menu a {
  position: relative;
  z-index: 1;
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--muted);
}

.nav-dropdown-menu a:hover {
  color: var(--text);
  background: rgba(99, 230, 255, 0.1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.view-toggle,
.theme-toggle,
.lang-toggle,
.button {
  min-height: 42px;
  border: 1px solid rgba(99, 230, 255, 0.36);
  border-radius: var(--radius);
  color: var(--button-text);
  background: linear-gradient(135deg, rgba(14, 165, 255, 0.96), rgba(61, 220, 151, 0.82));
  box-shadow: 0 12px 38px rgba(14, 165, 255, 0.22);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
}

.button:hover,
.view-toggle:hover,
.theme-toggle:hover,
.lang-toggle:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 230, 255, 0.75);
}

.button-secondary {
  background: var(--button-secondary-bg);
  color: var(--cyan);
  box-shadow: none;
}

.button-small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.88rem;
}

.view-toggle,
.theme-toggle,
.lang-toggle {
  display: inline-grid;
  grid-template-columns: auto 34px auto;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  background: rgba(7, 17, 36, 0.78);
  box-shadow: none;
  font-size: 0.8rem;
}

.device-icon {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 18px;
  color: var(--text);
}

.browser-icon {
  border: 2px solid currentColor;
  border-radius: 4px;
}

.browser-icon::before {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  top: 4px;
  border-top: 2px solid currentColor;
}

.phone-icon {
  width: 13px;
  border: 2px solid currentColor;
  border-radius: 4px;
}

.phone-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: currentColor;
  transform: translateX(-50%);
}

.theme-icon {
  width: 1.1em;
  line-height: 1;
  text-align: center;
}

.toggle-track {
  width: 34px;
  height: 18px;
  border-radius: 999px;
  background: rgba(99, 230, 255, 0.18);
  border: 1px solid rgba(99, 230, 255, 0.36);
  padding: 2px;
}

.toggle-track span {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--cyan);
  transform: translateX(0);
  transition: transform 180ms ease;
}

html[lang="en"] .lang-toggle .toggle-track span {
  transform: translateX(14px);
}

html[data-theme="dark"] .theme-toggle .toggle-track span {
  transform: translateX(14px);
}

html[data-view="mobile"] .view-toggle .toggle-track span {
  transform: translateX(14px);
}

.section {
  padding: clamp(72px, 9vw, 132px) clamp(18px, 5vw, 72px);
}

.hero {
  min-height: auto;
  display: grid;
  align-content: start;
  gap: 24px;
  padding-bottom: clamp(22px, 3.2vw, 44px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(4rem, 10vw, 8.5rem);
  line-height: 0.82;
  font-weight: 800;
  text-shadow: 0 0 34px rgba(14, 165, 255, 0.38);
}

h2 {
  font-size: clamp(2rem, 5vw, 4.9rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  font-size: 1.25rem;
}

.hero-lede {
  max-width: 720px;
  color: var(--text);
  font-size: clamp(1.25rem, 2.2vw, 2.05rem);
  line-height: 1.26;
  font-weight: 700;
}

.hero-note,
.about-copy p,
.section-heading h2 + p {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-visual {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-height: unset;
  aspect-ratio: auto;
  display: grid;
  place-items: center;
  padding: clamp(58px, 6vw, 84px) clamp(28px, 5vw, 64px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--hero-visual-bg);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: min(76%, 620px);
  padding: 20px;
  border-radius: var(--radius);
  background: var(--logo-tile);
  box-shadow: 0 0 46px rgba(99, 230, 255, 0.24);
}

.orbital {
  position: absolute;
  border: 1px solid rgba(99, 230, 255, 0.35);
  border-radius: 50%;
}

.orbital-one {
  width: 410px;
  height: 410px;
  transform: rotate(28deg) scaleX(1.38);
}

.orbital-two {
  width: 250px;
  height: 250px;
  transform: rotate(-24deg) scaleX(1.48);
  border-color: rgba(61, 220, 151, 0.34);
}

.molecule-field span {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 24px var(--cyan);
}

.molecule-field span:nth-child(1) { top: 16%; left: 28%; }
.molecule-field span:nth-child(2) { top: 27%; right: 18%; background: var(--green); }
.molecule-field span:nth-child(3) { bottom: 18%; left: 18%; }
.molecule-field span:nth-child(4) { bottom: 31%; right: 29%; background: var(--green); }
.molecule-field span:nth-child(5) { top: 52%; left: 12%; }
.molecule-field span:nth-child(6) { top: 62%; right: 12%; }

.hero-metric {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: min(190px, calc(100% - 44px));
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  backdrop-filter: blur(14px);
}

.hero-metric strong {
  display: block;
  font-size: 2rem;
  color: var(--cyan);
}

.hero-metric span {
  color: var(--muted);
  font-size: 0.86rem;
}

.research-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.research-strip span {
  padding: 13px 18px;
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.research-strip span + span {
  border-left: 1px solid var(--line);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 42px;
}

.products-section {
  padding-top: clamp(36px, 5vw, 68px);
}

.product-trust-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: -16px 0 28px;
}

.product-trust-row span {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--panel);
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.16);
}

.product-trust-row span::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 18px rgba(61, 220, 151, 0.75);
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.product-card,
.quality-grid article,
.contact-form,
.contact-info,
.about-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
}

.product-card-wide {
  grid-column: 1 / -1;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
}

.product-image {
  min-height: clamp(240px, 42vw, 520px);
  background: #f7fbff;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-body {
  padding: 24px;
}

.product-topline {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.product-body h3 {
  margin-bottom: 4px;
  font-size: 2rem;
}

.strength {
  color: var(--text);
  font-weight: 700;
}

.product-body p:not(.strength) {
  color: var(--muted);
  line-height: 1.62;
}

dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0 0;
}

dl div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--cyan) 9%, transparent);
}

dt {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

dd {
  margin: 5px 0 0;
  color: var(--text);
  font-weight: 800;
}

.quality-section,
.contact-section {
  background: var(--section-bg);
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.quality-grid article {
  padding: 26px;
}

.quality-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--cyan) 14%, transparent);
  border: 1px solid var(--line);
  font-size: 1.55rem;
}

.quality-grid p,
.contact-info p,
.about-panel li {
  color: var(--muted);
  line-height: 1.6;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
  padding-bottom: clamp(44px, 5vw, 78px);
}

.contact-section {
  padding-top: clamp(54px, 6vw, 92px);
}

.about-panel {
  position: relative;
  padding: 30px;
  overflow: hidden;
}

.about-panel ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-panel li {
  position: relative;
  padding-left: 24px;
}

.about-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 16px rgba(61, 220, 151, 0.8);
}

.award {
  position: absolute;
  right: 24px;
  bottom: 18px;
  font-size: 4rem;
  opacity: 0.14;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 20px;
}

.contact-form,
.contact-info {
  padding: 28px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(99, 230, 255, 0.2);
  border-radius: var(--radius);
  padding: 13px 14px;
  color: var(--text);
  background: var(--input-bg);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(99, 230, 255, 0.55);
  border-color: transparent;
}

.form-status {
  min-height: 24px;
  color: var(--green);
  font-size: 0.9rem;
}

.contact-info {
  display: grid;
  align-content: start;
  gap: 22px;
}

.contact-info div {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.contact-info strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.contact-info a {
  color: var(--cyan);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: clamp(28px, 8vw, 110px);
  padding: 46px clamp(18px, 5vw, 72px) 28px;
  border-top: 1px solid var(--line);
  background: var(--footer-bg);
}

.site-footer img {
  width: 176px;
  height: 44px;
  object-fit: contain;
  object-position: center center;
  mix-blend-mode: var(--logo-blend);
  border-radius: 9px;
  clip-path: inset(0 round 9px);
  filter: drop-shadow(0 0 16px rgba(14, 165, 255, 0.35));
}

.site-footer p,
.site-footer a {
  color: var(--muted);
}

.site-footer h3 {
  margin-bottom: 16px;
  color: var(--text);
  font-size: 0.98rem;
}

.site-footer a {
  display: block;
  margin: 10px 0;
}

.site-footer .footer-logo-link {
  display: inline-block;
  margin: 0;
  border-radius: 9px;
}

.site-footer .footer-logo-link:hover {
  transform: translateY(-1px);
}

.footer-bottom {
  grid-column: 1 / -1;
  margin: 22px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
}

html[data-view="mobile"] .site-header {
  grid-template-columns: 1fr auto;
  padding: 10px;
  gap: 8px;
}

html[data-view="mobile"] .nav-links {
  display: none;
}

html[data-view="mobile"] .header-actions {
  gap: 6px;
  justify-self: end;
}

html[data-view="mobile"] .brand img {
  width: 84px;
  height: 36px;
}

html[data-view="mobile"] .view-toggle,
html[data-view="mobile"] .theme-toggle,
html[data-view="mobile"] .lang-toggle {
  min-height: 34px;
  grid-template-columns: auto 28px auto;
  gap: 5px;
  padding: 0 6px;
  font-size: 0.64rem;
}

html[data-view="mobile"] .toggle-track {
  width: 28px;
  height: 16px;
}

html[data-view="mobile"] .toggle-track span {
  width: 10px;
  height: 10px;
}

html[data-view="mobile"] .view-toggle .toggle-track span,
html[data-view="mobile"][lang="en"] .lang-toggle .toggle-track span,
html[data-view="mobile"][data-theme="dark"] .theme-toggle .toggle-track span {
  transform: translateX(12px);
}

html[data-view="mobile"] .button-small {
  display: none;
}

html[data-view="mobile"] .section {
  padding: 62px 16px;
}

html[data-view="mobile"] .about-section {
  padding-bottom: 42px;
}

html[data-view="mobile"] .contact-section {
  padding-top: 46px;
}

html[data-view="mobile"] .hero {
  min-height: auto;
  padding-bottom: 30px;
}

html[data-view="mobile"] .products-section {
  padding-top: 40px;
}

html[data-view="mobile"] h1 {
  font-size: clamp(3.35rem, 16vw, 4.9rem);
}

html[data-view="mobile"] h2 {
  font-size: clamp(2rem, 10vw, 3.1rem);
}

html[data-view="mobile"] .hero-lede {
  font-size: clamp(1.12rem, 5.6vw, 1.45rem);
}

html[data-view="mobile"] .hero-actions {
  display: grid;
  grid-template-columns: 1fr;
}

html[data-view="mobile"] .hero-grid,
html[data-view="mobile"] .product-grid,
html[data-view="mobile"] .product-card-wide,
html[data-view="mobile"] .product-trust-row,
html[data-view="mobile"] .quality-grid,
html[data-view="mobile"] .about-panel ul,
html[data-view="mobile"] .research-strip,
html[data-view="mobile"] .site-footer,
html[data-view="mobile"] .about-section,
html[data-view="mobile"] .contact-grid {
  grid-template-columns: 1fr;
}

html[data-view="mobile"] .hero-visual {
  min-height: unset;
  aspect-ratio: auto;
  padding: 46px 28px 52px;
}

html[data-view="mobile"] .hero-visual img {
  width: 84%;
  padding: 10px;
}

html[data-view="mobile"] .product-trust-row {
  margin: -14px 0 22px;
}

html[data-view="mobile"] .hero-metric {
  right: 12px;
  bottom: 12px;
  width: 142px;
  padding: 12px;
}

html[data-view="mobile"] .hero-metric strong {
  font-size: 1.55rem;
}

html[data-view="mobile"] .research-strip span + span {
  border-left: 0;
  border-top: 1px solid var(--line);
}

html[data-view="mobile"] .product-image {
  min-height: 210px;
}

html[data-view="mobile"] .product-image img {
  height: auto;
  max-height: 360px;
  object-fit: contain;
}

html[data-view="mobile"] .product-body {
  padding: 18px;
}

html[data-view="mobile"] .product-body h3 {
  font-size: 1.72rem;
}

html[data-view="mobile"] dl {
  grid-template-columns: 1fr;
}

html[data-view="mobile"] .product-topline {
  display: grid;
}

html[data-view="mobile"] .contact-form,
html[data-view="mobile"] .contact-info,
html[data-view="mobile"] .about-panel {
  padding: 20px;
}

html[data-view="mobile"] input,
html[data-view="mobile"] select,
html[data-view="mobile"] textarea {
  min-height: 46px;
  font-size: 16px;
}

@media (max-width: 1040px) {
  .hero-grid,
  .about-section,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: unset;
    aspect-ratio: auto;
  }

  .product-trust-row,
  .quality-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 10px;
    gap: 8px;
  }

  .nav-links {
    display: none;
  }

  .header-actions {
    gap: 6px;
    justify-self: end;
  }

  .brand img {
    width: 112px;
    height: 38px;
  }

  .view-toggle,
  .theme-toggle,
  .lang-toggle {
    min-height: 34px;
    grid-template-columns: auto 28px auto;
    gap: 5px;
    padding: 0 7px;
    font-size: 0.7rem;
  }

  .toggle-track {
    width: 28px;
    height: 16px;
  }

  .toggle-track span {
    width: 10px;
    height: 10px;
  }

  html[lang="en"] .lang-toggle .toggle-track span,
  html[data-view="mobile"] .view-toggle .toggle-track span,
  html[data-theme="dark"] .theme-toggle .toggle-track span {
    transform: translateX(12px);
  }

  .button-small {
    display: none;
  }

  .section {
    padding: 62px 16px;
  }

  .about-section {
    padding-bottom: 42px;
  }

  .contact-section {
    padding-top: 46px;
  }

  .hero {
    min-height: auto;
    padding-bottom: 30px;
  }

  .products-section {
    padding-top: 40px;
  }

  h1 {
    font-size: clamp(3.35rem, 16vw, 4.9rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3.1rem);
  }

  .hero-lede {
    font-size: clamp(1.12rem, 5.6vw, 1.45rem);
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .product-grid,
  .product-card-wide,
  .product-trust-row,
  .quality-grid,
  .about-panel ul,
  .research-strip,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: unset;
    aspect-ratio: auto;
    padding: 46px 28px 52px;
  }

  .hero-visual img {
    width: 84%;
    padding: 10px;
  }

  .hero-metric {
    right: 12px;
    bottom: 12px;
    width: 142px;
    padding: 12px;
  }

  .hero-metric strong {
    font-size: 1.55rem;
  }

  .research-strip span + span {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .product-image {
    min-height: 210px;
  }

  .product-image img {
    height: auto;
    max-height: 360px;
    object-fit: contain;
  }

  .product-body {
    padding: 18px;
  }

  .product-body h3 {
    font-size: 1.72rem;
  }

  dl {
    grid-template-columns: 1fr;
  }

  .product-topline {
    display: grid;
  }

  .contact-form,
  .contact-info,
  .about-panel {
    padding: 20px;
  }

  input,
  select,
  textarea {
    min-height: 46px;
    font-size: 16px;
  }
}

@media (max-width: 360px) {
  .brand img {
    width: 96px;
  }

  .view-toggle,
  .theme-toggle,
  .lang-toggle {
    padding: 0 5px;
  }
}