:root {
  --color-bg: #f7f9fd;
  --color-surface: #ffffff;
  --color-text: #18243b;
  --color-muted: #65718a;
  --color-soft: #e8eef8;
  --color-line: #dce4f1;
  --color-blue: #4b6cff;
  --color-blue-deep: #273755;
  --color-purple: #7b61ff;
  --color-mint: #86e5d2;
  --shadow-soft: 0 20px 60px rgba(31, 46, 82, 0.11);
  --shadow-card: 0 16px 44px rgba(31, 46, 82, 0.09);
  --radius-large: 28px;
  --radius-medium: 20px;
  --section-space: clamp(72px, 9vw, 128px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 110px;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at 8% 6%, rgba(123, 97, 255, 0.12), transparent 28%),
    radial-gradient(circle at 88% 8%, rgba(75, 108, 255, 0.12), transparent 30%),
    var(--color-bg);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.58) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.58) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 62%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(220, 228, 241, 0.76);
  background: rgba(247, 249, 253, 0.86);
  backdrop-filter: blur(20px);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  min-height: 88px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  overflow: hidden;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  box-shadow: 0 14px 30px rgba(75, 108, 255, 0.26);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span::before,
.brand-mark span::after {
  position: absolute;
  content: "";
  background: #ffffff;
}

.brand-mark::before {
  width: 26px;
  height: 8px;
  border-radius: 99px;
}

.brand-mark::after {
  width: 8px;
  height: 26px;
  border-radius: 99px;
}

.brand-mark span::before {
  top: 11px;
  right: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  opacity: 0.78;
}

.brand-mark span::after {
  bottom: 11px;
  left: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  opacity: 0.78;
}

.brand-text {
  display: grid;
  line-height: 1.02;
}

.brand-text strong {
  font-size: clamp(1.45rem, 2vw, 1.85rem);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-text span {
  font-size: clamp(0.9rem, 1.2vw, 1.05rem);
  font-weight: 600;
  color: var(--color-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 38px);
  padding: 0;
  margin: 0;
  list-style: none;
}

.animated-link {
  position: relative;
  display: inline-flex;
  width: fit-content;
  font-weight: 600;
  color: var(--color-blue-deep);
}

.animated-link::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple));
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms ease;
}

.animated-link:hover::after,
.animated-link:focus-visible::after,
.animated-link.active::after {
  transform: scaleX(1);
}

.nav-button {
  display: none;
}

.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.hero,
.page-hero,
.products,
.about,
.catalog-section,
.contact-page,
.product-detail,
.cta-band {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
  gap: clamp(36px, 7vw, 86px);
  align-items: center;
  min-height: calc(100vh - 88px);
  padding: clamp(64px, 8vw, 112px) 0 var(--section-space);
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.55fr);
  gap: clamp(30px, 6vw, 74px);
  align-items: center;
  padding: clamp(70px, 9vw, 118px) 0 clamp(54px, 7vw, 86px);
}

.page-hero.centered {
  display: block;
  max-width: 900px;
  text-align: center;
}

.page-hero.centered .page-copy {
  margin-right: auto;
  margin-left: auto;
}

.page-hero.centered .category-strip {
  justify-content: center;
}

.section-animate {
  animation: section-rise 760ms ease both;
  animation-timeline: view();
  animation-range: entry 0% cover 28%;
}

.hero.section-animate,
.page-hero.section-animate {
  animation-timeline: auto;
}

.eyebrow {
  margin: 0 0 16px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-blue);
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  color: var(--color-blue-deep);
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 6.3vw, 6.6rem);
  font-weight: 800;
  letter-spacing: 0;
}

.page-hero h1 {
  font-size: clamp(2.7rem, 5.4vw, 5.5rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.7rem);
  font-weight: 800;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.18rem;
  font-weight: 750;
}

.hero-copy,
.page-copy,
.section-heading p:not(.eyebrow),
.about-content p,
.product-content p,
.category-card p,
.trust-item p,
.contact-card p,
.footer-brand p,
.footer-column p,
.footer-bottom p,
.detail-copy,
.spec-panel p,
.info-card p,
.form-note {
  color: var(--color-muted);
}

.hero-copy,
.page-copy {
  max-width: 680px;
  margin-bottom: 34px;
  font-size: clamp(1.03rem, 1.7vw, 1.24rem);
}

.hero-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  overflow: hidden;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  border: 0;
  border-radius: 14px;
  box-shadow: 0 18px 34px rgba(75, 108, 255, 0.24);
  cursor: pointer;
  transition: transform 220ms ease, box-shadow 220ms ease, filter 220ms ease;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 24px 48px rgba(75, 108, 255, 0.32);
  filter: saturate(1.08);
}

.compact-button {
  min-height: 48px;
  padding: 0 20px;
  white-space: nowrap;
}

.secondary-link {
  min-height: 44px;
  align-items: center;
}

.hero-visual {
  position: relative;
  min-height: 500px;
}

.hero-card {
  position: absolute;
  inset: 52px 0 auto auto;
  width: min(100%, 500px);
  padding: 28px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(244, 248, 255, 0.9)),
    var(--color-surface);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-soft);
}

.hero-product-art {
  position: relative;
  z-index: 2;
  width: 100%;
  filter: drop-shadow(0 24px 32px rgba(31, 46, 82, 0.14));
}

.molecule {
  position: absolute;
  border: 1px solid rgba(123, 97, 255, 0.18);
  border-radius: 50%;
}

.molecule::before,
.molecule::after {
  position: absolute;
  content: "";
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  border-radius: 50%;
}

.molecule-one {
  top: -34px;
  right: -24px;
  width: 150px;
  height: 150px;
}

.molecule-one::before {
  top: 34px;
  left: 24px;
  width: 18px;
  height: 18px;
}

.molecule-one::after {
  right: 36px;
  bottom: 28px;
  width: 12px;
  height: 12px;
}

.molecule-two {
  bottom: -42px;
  left: -34px;
  width: 170px;
  height: 170px;
}

.molecule-two::before {
  top: 52px;
  right: 28px;
  width: 14px;
  height: 14px;
}

.molecule-two::after {
  bottom: 40px;
  left: 42px;
  width: 20px;
  height: 20px;
}

.floating-stat {
  position: absolute;
  z-index: 4;
  display: grid;
  gap: 2px;
  min-width: 162px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(220, 228, 241, 0.9);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
  animation: float-card 6s ease-in-out infinite;
}

.floating-stat strong {
  font-size: 1.55rem;
  line-height: 1;
  color: var(--color-blue-deep);
}

.floating-stat span {
  font-size: 0.84rem;
  font-weight: 650;
  color: var(--color-muted);
}

.stat-quality {
  top: 18px;
  left: 8px;
}

.stat-research {
  right: 2px;
  bottom: 40px;
  animation-delay: -2.4s;
}

.products,
.catalog-section,
.about,
.contact-page,
.product-detail,
.cta-band {
  padding: 0 0 var(--section-space);
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(34px, 5vw, 58px);
}

.split-heading {
  display: flex;
  max-width: none;
  gap: 24px;
  align-items: end;
  justify-content: space-between;
}

.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 42px;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.9rem;
  font-weight: 750;
  color: var(--color-blue-deep);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(220, 228, 241, 0.95);
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(31, 46, 82, 0.04);
  transition: transform 220ms ease, border-color 220ms ease;
}

.category-pill:hover {
  border-color: rgba(123, 97, 255, 0.35);
  transform: translateY(-2px);
}

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

.category-card {
  min-height: 220px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: var(--radius-medium);
  box-shadow: 0 12px 34px rgba(31, 46, 82, 0.06);
  transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
}

.category-card:hover {
  border-color: rgba(123, 97, 255, 0.26);
  box-shadow: 0 22px 50px rgba(31, 46, 82, 0.12);
  transform: translateY(-6px);
}

.category-card span,
.trust-item span {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  place-items: center;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  border-radius: 13px;
}

.catalog-block {
  margin-bottom: clamp(42px, 6vw, 72px);
}

.catalog-block:last-child {
  margin-bottom: 0;
}

.catalog-header {
  display: flex;
  gap: 18px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 24px;
}

.catalog-header p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  display: grid;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: var(--radius-medium);
  box-shadow: 0 10px 26px rgba(31, 46, 82, 0.05);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.product-card:hover {
  border-color: rgba(123, 97, 255, 0.25);
  box-shadow: 0 24px 54px rgba(31, 46, 82, 0.14);
  transform: translateY(-8px);
}

.product-image {
  display: grid;
  min-height: 238px;
  place-items: center;
  overflow: hidden;
}

.pack-visual {
  width: min(78%, 260px);
  transition: transform 280ms ease;
  filter: drop-shadow(0 22px 28px rgba(31, 46, 82, 0.13));
}

.product-card:hover .pack-visual {
  transform: translateY(-5px) scale(1.035);
}

.product-gradient-one {
  background:
    radial-gradient(circle at 26% 22%, rgba(255, 255, 255, 0.8), transparent 30%),
    linear-gradient(135deg, #e9f2ff, #f4efff);
}

.product-gradient-two {
  background:
    radial-gradient(circle at 76% 18%, rgba(255, 255, 255, 0.8), transparent 32%),
    linear-gradient(135deg, #eafcff, #eef0ff);
}

.product-gradient-three {
  background:
    radial-gradient(circle at 24% 76%, rgba(255, 255, 255, 0.8), transparent 34%),
    linear-gradient(135deg, #f1ecff, #eaf8f6);
}

.product-gradient-four {
  background:
    radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.82), transparent 32%),
    linear-gradient(135deg, #edf7ff, #eaf8f6);
}

.product-gradient-five {
  background:
    radial-gradient(circle at 72% 24%, rgba(255, 255, 255, 0.82), transparent 34%),
    linear-gradient(135deg, #edf0ff, #f7eefc);
}

.product-gradient-six {
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.82), transparent 34%),
    linear-gradient(135deg, #edfaff, #f6f3ff);
}

.product-content {
  padding: 26px;
}

.product-category {
  display: inline-flex;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-blue);
  text-transform: uppercase;
}

.product-content p,
.trust-item p,
.contact-card p {
  margin-bottom: 0;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.about-content p {
  max-width: 650px;
  margin-bottom: 18px;
  font-size: 1.03rem;
}

.about-panel {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 3vw, 28px);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
}

.trust-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px;
  background: rgba(247, 249, 253, 0.88);
  border: 1px solid rgba(220, 228, 241, 0.88);
  border-radius: 18px;
}

.trust-item span {
  margin-bottom: 0;
}

.cta-band {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
  padding: clamp(34px, 5vw, 56px);
  margin-bottom: var(--section-space);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(244, 248, 255, 0.88)),
    var(--color-surface);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
}

.cta-band h2 {
  max-width: 700px;
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
}

.contact-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.contact-page-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

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

.contact-card,
.contact-form,
.spec-panel,
.info-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: var(--radius-medium);
  box-shadow: 0 12px 34px rgba(31, 46, 82, 0.06);
}

.contact-card {
  min-height: 244px;
  padding: 30px;
}

.contact-card a {
  font-weight: 650;
  color: var(--color-blue-deep);
  transition: color 200ms ease;
}

.contact-card a:hover {
  color: var(--color-blue);
}

.contact-icon {
  display: grid;
  width: 50px;
  height: 50px;
  margin-bottom: 24px;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  border-radius: 16px;
  box-shadow: 0 14px 30px rgba(75, 108, 255, 0.18);
}

.contact-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 36px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.86rem;
  font-weight: 750;
  color: var(--color-blue-deep);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  font: inherit;
  color: var(--color-text);
  background: rgba(247, 249, 253, 0.92);
  border: 1px solid var(--color-line);
  border-radius: 14px;
  outline: none;
  transition: border-color 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  background: #ffffff;
  border-color: rgba(75, 108, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(75, 108, 255, 0.12);
}

.form-note {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.product-detail {
  padding-top: clamp(58px, 8vw, 96px);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.breadcrumb a {
  color: var(--color-blue);
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.72fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
  margin-bottom: clamp(46px, 6vw, 76px);
}

.detail-visual {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-soft);
}

.detail-visual .pack-visual {
  width: min(88%, 420px);
  margin: 0 auto;
}

.detail-copy {
  max-width: 680px;
  font-size: 1.08rem;
}

.product-meta-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.product-meta-list + .page-actions {
  margin-top: 28px;
}

.meta-item {
  padding: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(220, 228, 241, 0.92);
  border-radius: 16px;
}

.meta-item span {
  display: block;
  margin-bottom: 5px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-blue);
  text-transform: uppercase;
}

.meta-item strong {
  color: var(--color-blue-deep);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.45fr);
  gap: 24px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.info-card,
.spec-panel {
  padding: 26px;
}

.info-card ul,
.spec-panel ul {
  padding-left: 18px;
  margin: 14px 0 0;
  color: var(--color-muted);
}

.info-card li,
.spec-panel li {
  margin-bottom: 8px;
}

.related-products {
  margin-top: clamp(48px, 7vw, 84px);
}

.site-footer {
  color: #d7def0;
  background:
    radial-gradient(circle at 12% 0%, rgba(123, 97, 255, 0.28), transparent 28%),
    radial-gradient(circle at 90% 24%, rgba(75, 108, 255, 0.22), transparent 28%),
    #101a2c;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.9fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(56px, 7vw, 82px) 0;
}

.footer-logo .brand-text strong {
  color: #ffffff;
}

.footer-logo .brand-text span {
  color: #b9c4da;
}

.footer-brand p {
  max-width: 320px;
  margin: 22px 0 0;
  color: #aebad0;
}

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

.footer-column h3 {
  margin-bottom: 10px;
  color: #ffffff;
}

.footer-column p {
  margin-bottom: 2px;
  color: #aebad0;
}

.footer-column .animated-link {
  color: #d7def0;
}

.footer-bottom {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  padding: 24px 0;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
  margin: 0;
  color: #aebad0;
  font-size: 0.92rem;
}

@keyframes section-rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

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

@keyframes float-card {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 980px) {
  .hero,
  .page-hero,
  .detail-hero,
  .contact-page-grid,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .hero-visual {
    min-height: 480px;
  }

  .hero-card {
    right: 50%;
    transform: translateX(50%);
  }

  .product-grid,
  .contact-layout,
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-grid,
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 760px) {
  .navbar {
    width: min(100% - 28px, 1180px);
    min-height: 76px;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .nav-button {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    cursor: pointer;
    border: 1px solid var(--color-line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.78);
  }

  .nav-button span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 3px 0;
    background: var(--color-blue-deep);
    border-radius: 99px;
    transition: transform 220ms ease, opacity 220ms ease;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    right: 14px;
    left: 14px;
    display: grid;
    gap: 18px;
    padding: 22px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--color-line);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 220ms ease, transform 220ms ease;
  }

  .nav-toggle:checked ~ .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle:checked + .nav-button span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle:checked + .nav-button span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked + .nav-button span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-toggle:focus-visible + .nav-button {
    outline: 3px solid rgba(75, 108, 255, 0.24);
    outline-offset: 3px;
  }

  .hero,
  .page-hero,
  .products,
  .catalog-section,
  .about,
  .contact-page,
  .product-detail,
  .cta-band,
  .footer-content,
  .footer-bottom {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    padding-top: 52px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .hero-card {
    inset: 36px auto auto 50%;
    width: min(100%, 440px);
    padding: 18px;
  }

  .floating-stat {
    min-width: 142px;
    padding: 14px 16px;
  }

  .stat-quality {
    left: 0;
  }

  .stat-research {
    right: 0;
    bottom: 18px;
  }

  .product-grid,
  .contact-layout,
  .category-grid,
  .info-grid,
  .footer-content,
  .form-row,
  .product-meta-list {
    grid-template-columns: 1fr;
  }

  .split-heading,
  .catalog-header,
  .cta-band,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-card {
    min-height: auto;
  }
}

@media (max-width: 480px) {
  .brand {
    gap: 10px;
  }

  .brand-text strong {
    font-size: 1.28rem;
  }

  .brand-text span {
    font-size: 0.82rem;
  }

  .hero-actions,
  .page-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .secondary-link {
    width: 100%;
  }

  .secondary-link {
    justify-content: center;
  }

  .hero-visual {
    min-height: 390px;
  }

  .stat-quality {
    top: 0;
    left: 0;
  }

  .stat-research {
    right: 0;
    bottom: 0;
  }

  .trust-item {
    grid-template-columns: 1fr;
  }
}