:root {
  --bg: #ffffff;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-strong: #ffffff;
  --ink: #111111;
  --muted: #585858;
  --line: rgba(17, 17, 17, 0.12);
  --accent: #e74c3c;
  --accent-dark: #c0392b;
  --accent-soft: rgba(231, 76, 60, 0.08);
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Kulim Park', sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, #f7f7f7 100%);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 18px 0;
  backdrop-filter: blur(18px);
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .site-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.brand__name,
.hero__title,
.section-title,
.admin-brand,
.checkout-total strong {
  font-family: 'Sansation', sans-serif;
}

.brand__name {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
}

.brand__tag,
.section-kicker,
.hero__eyebrow,
.meta-label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.brand__tag {
  color: rgba(255, 255, 255, 0.72);
  font-family: 'Jura', sans-serif;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.site-nav__link {
  padding: 11px 16px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.84);
  font-family: 'Jura', sans-serif;
  font-weight: 600;
  transition: 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  box-shadow: none;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
}

.cart-trigger,
.button,
.chip,
.size-button,
.admin-tab,
.upload-dropzone__button {
  border: 0;
  border-radius: 999px;
  transition: 0.2s ease;
}

.cart-trigger,
.button {
  cursor: pointer;
}

.cart-trigger {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
  font-family: 'Jura', sans-serif;
  font-weight: 700;
}

.cart-trigger strong {
  min-width: 28px;
  min-height: 28px;
  padding: 4px 8px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.hero__panel,
.surface-card,
.product-card,
.product-layout__gallery,
.product-layout__info,
.cart-drawer__panel,
.checkout-summary,
.checkout-form,
.info-section,
.admin-card,
.upload-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero__panel {
  padding: clamp(26px, 4vw, 40px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #000000 0%, #20262f 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero__eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.74);
}

.hero__title {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.02;
}

.hero__description {
  max-width: 58ch;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.02rem;
  line-height: 1.7;
}

.hero-stats {
  display: grid;
  gap: 14px;
}

.hero-stat {
  padding: 22px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.hero-stat strong {
  display: block;
  font-size: 1.7rem;
}

.hero-stat span {
  color: var(--muted);
}

.catalog-toolbar {
  position: sticky;
  top: 88px;
  z-index: 10;
  margin: 16px auto 24px;
}

.catalog-toolbar__panel {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(14px);
}

.catalog-toolbar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.catalog-toolbar__heading {
  display: flex;
  align-items: center;
  gap: 12px;
}

.catalog-toolbar__icon {
  font-size: 1.45rem;
  line-height: 1;
  color: var(--ink);
}

.catalog-toolbar__title {
  font-family: 'Jura', sans-serif;
  font-weight: 700;
  font-size: 1.45rem;
}

.catalog-toolbar__toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  border-radius: 999px;
  padding: 10px 14px;
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.chip {
  padding: 12px 20px;
  background: #f1f1f1;
  color: var(--muted);
  cursor: pointer;
  font-family: 'Jura', sans-serif;
  font-weight: 700;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.03);
}

.chip.is-active,
.chip:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 18px rgba(231, 76, 60, 0.24);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
  padding-bottom: 48px;
}

.product-card {
  border-radius: 16px;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.06);
}

.product-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #fbfbfb;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__media img {
  transform: scale(1.03);
}

.product-card__badge {
  position: absolute;
  left: 12px;
  top: 12px;
  bottom: auto;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.86);
  color: #fff;
  backdrop-filter: blur(10px);
  font-size: 0.85rem;
  font-family: 'Jura', sans-serif;
}

.product-card__body {
  padding: 18px 20px 20px;
  align-content: space-between;
  background: #fff;
}

.product-card__title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-family: 'Jura', sans-serif;
  font-weight: 700;
  line-height: 1.35;
  min-height: 2.7em;
}

.product-card__price,
.checkout-total strong,
.cart-total-line strong {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-dark);
  font-family: 'Jura', sans-serif;
}

.product-card__footer,
.summary-row,
.checkout-total,
.cart-total-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.product-card__footer {
  margin-top: 4px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  background: var(--ink);
  color: #fff;
  font-family: 'Jura', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--accent);
}

.button--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.button--outline {
  background: #fff;
  color: var(--ink);
  border: 2px solid var(--ink);
}

.button--outline:hover {
  background: var(--ink);
  color: #fff;
}

.button--wide {
  width: 100%;
}

.button.is-active {
  background: #2c9b52;
}

.empty-state,
.checkout-empty {
  padding: 40px;
  text-align: center;
  color: var(--muted);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px dashed rgba(28, 24, 20, 0.14);
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 24px;
  padding-bottom: 48px;
}

.product-layout__gallery,
.product-layout__info,
.checkout-summary,
.checkout-form,
.info-section,
.admin-card,
.upload-card {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.product-gallery__frame {
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  overflow: hidden;
  background: #f2f2f2;
}

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

.product-gallery__thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  overflow: auto;
  padding-bottom: 4px;
}

.product-gallery__thumb {
  flex: 0 0 76px;
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid transparent;
  background: #fff;
  cursor: pointer;
}

.product-gallery__thumb.is-active {
  border-color: var(--accent);
}

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

.product-price {
  margin: 10px 0 18px;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-dark);
  font-family: 'Jura', sans-serif;
}

.product-description {
  color: var(--muted);
  line-height: 1.75;
}

.size-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 8px;
}

.size-button {
  padding: 11px 16px;
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  font-family: 'Jura', sans-serif;
  font-weight: 700;
}

.size-button.is-active {
  background: var(--ink);
  color: #fff;
}

.field-error {
  color: #a0352d;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.stack {
  display: grid;
  gap: 14px;
}

.cart-drawer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
}

.cart-drawer.is-open {
  pointer-events: auto;
}

.cart-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.cart-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(420px, 100%);
  height: 100%;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.cart-drawer.is-open .cart-drawer__backdrop {
  opacity: 1;
}

.cart-drawer.is-open .cart-drawer__panel {
  transform: translateX(0);
}

.cart-drawer__header,
.cart-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.cart-drawer__header {
  padding: 24px 24px 18px;
}

.drawer-close {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 1.8rem;
  line-height: 1;
}

.cart-drawer__content {
  overflow: auto;
  padding: 0 24px 24px;
}

.cart-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.cart-item__meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.link-button {
  border: 0;
  background: none;
  color: var(--accent-dark);
  cursor: pointer;
  padding: 0;
}

.cart-drawer__footer {
  padding: 20px 24px 24px;
  border-top: 1px solid var(--line);
}

.checkout-layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 24px;
  padding-bottom: 48px;
}

.checkout-summary {
  position: sticky;
  top: 108px;
  height: fit-content;
}

.checkout-items {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.checkout-item {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(28, 24, 20, 0.08);
}

.checkout-form form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

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

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.radio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.radio-card input {
  display: none;
}

.radio-card span {
  display: grid;
  gap: 4px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}

.radio-card small {
  color: var(--muted);
}

.radio-card em {
  font-style: normal;
  color: #5e5e5e;
  font-size: 0.9rem;
}

.radio-card b {
  font-size: 0.96rem;
}

.radio-card input:checked + span {
  border-color: var(--accent);
  background: rgba(182, 86, 43, 0.08);
}

.checkout-note,
.info-note {
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(231, 76, 60, 0.08);
  color: var(--muted);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  padding: 20px;
  z-index: 50;
  background: rgba(17, 12, 8, 0.5);
}

.modal.is-open {
  display: grid;
}

.modal__card {
  width: min(560px, 100%);
  padding: 28px;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

.upload-dropzone {
  padding: 28px;
  border-radius: 14px;
  border: 2px dashed rgba(28, 24, 20, 0.14);
  background: rgba(255, 255, 255, 0.62);
  text-align: center;
  cursor: pointer;
}

.upload-dropzone.is-over {
  border-color: var(--accent);
  background: rgba(182, 86, 43, 0.08);
}

[data-upload-status][data-state="error"] {
  background: rgba(173, 55, 55, 0.12);
  color: #8c2d2d;
}

.info-layout {
  display: grid;
  gap: 20px;
  padding-bottom: 48px;
}

.info-section__lead,
.info-section p,
.info-card p,
.table-wrap table,
.fact-list,
.steps-list {
  color: var(--muted);
}

.section-title {
  margin: 0 0 14px;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
}

.info-grid,
.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.info-card,
.fact-item {
  padding: 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(28, 24, 20, 0.08);
}

.steps-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.step-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
}

.step-index {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-dark);
  color: #fff;
  font-weight: 700;
  font-family: 'Jura', sans-serif;
}

.table-wrap {
  overflow: auto;
  margin-top: 16px;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
}

.table-wrap th,
.table-wrap td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.info-note--warning {
  background: rgba(212, 150, 32, 0.14);
}

.site-footer {
  padding: 48px 0 28px;
  background: #000;
  color: #fff;
}

.site-footer__grid,
.site-footer__bottom {
  display: grid;
  gap: 20px;
}

.site-footer__grid {
  grid-template-columns: 1.2fr 1fr 1fr;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__bottom {
  grid-template-columns: 1fr auto;
  align-items: center;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
}

.footer-title {
  margin-bottom: 12px;
  font-weight: 800;
  color: var(--accent);
  font-family: 'Sansation', sans-serif;
}

.footer-copy,
.footer-meta {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-links--inline {
  flex-direction: row;
  flex-wrap: wrap;
}

.toast-stack {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 10px;
  z-index: 60;
}

.toast {
  padding: 14px 16px;
  border-radius: 10px;
  background: #1f1b17;
  color: #fff;
  box-shadow: var(--shadow);
}

.payment-page {
  min-height: 100vh;
  background: #ffffff;
  display: flex;
  justify-content: center;
  padding: 28px 16px;
}

.payment-shell {
  width: min(360px, 100%);
  padding-top: 8px;
}

.payment-details-shell {
  width: min(430px, 100%);
  padding-top: 8px;
}

.payment-brand {
  text-align: center;
  font-family: 'Sansation', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 10px;
}

.payment-brand--left {
  text-align: left;
  margin-bottom: 18px;
}

.payment-subtitle {
  text-align: center;
  color: #7c7c7c;
  font-size: 0.92rem;
  margin-bottom: 8px;
}

.payment-amount {
  text-align: center;
  font-family: 'Jura', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 18px;
}

.payment-methods {
  display: grid;
  gap: 12px;
}

.payment-method-card {
  width: 100%;
  display: grid;
  grid-template-columns: 52px 1fr 18px;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid #ececec;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  text-align: left;
}

.payment-method-card__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-size: 1.2rem;
  color: #fff;
}

.payment-method-card__icon--card {
  background: linear-gradient(135deg, #b087f5 0%, #9a74e8 100%);
}

.payment-method-card__icon--sbp {
  background: linear-gradient(135deg, #41c3ff 0%, #1e8cff 100%);
}

.payment-method-card__svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.payment-method-card__svg--sbp {
  fill: currentColor;
  stroke: none;
}

.payment-method-card__content strong {
  display: block;
  font-family: 'Jura', sans-serif;
  font-size: 1rem;
  color: #111;
  margin-bottom: 2px;
}

.payment-method-card__content small {
  color: #777;
  font-size: 0.82rem;
}

.payment-method-card__arrow {
  color: #909090;
  font-size: 1.5rem;
  line-height: 1;
}

.payment-order-meta {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.payment-meta-row {
  display: grid;
  gap: 2px;
}

.payment-meta-row span {
  color: #7e7e7e;
  font-size: 0.82rem;
}

.payment-meta-row strong {
  color: #111;
  font-size: 1rem;
  font-weight: 600;
}

.payment-block {
  margin-bottom: 26px;
}

.payment-block h2 {
  margin: 0 0 12px;
  font-family: 'Jura', sans-serif;
  font-size: 1.35rem;
  color: #111;
}

.payment-requisites {
  display: grid;
  gap: 10px;
}

.payment-requisites__card {
  padding: 14px 16px;
  border: 1px solid #ededed;
  border-radius: 14px;
  background: #fafafa;
}

.payment-requisites__card--wide {
  background: #fff;
}

.payment-requisites__label {
  color: #7b7b7b;
  font-size: 0.78rem;
  margin-bottom: 4px;
}

.payment-requisites__value {
  color: #111;
  font-weight: 600;
}

.payment-requisites__value--mono {
  font-family: monospace;
  font-size: 1.05rem;
}

.payment-receipt-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #e7e7e7;
  border-radius: 12px;
  background: #fff;
  color: #111;
}

.payment-actions {
  display: grid;
  gap: 12px;
}

.payment-submit,
.payment-cancel {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 15px 18px;
  font-family: 'Jura', sans-serif;
  font-weight: 700;
  cursor: pointer;
}

.payment-submit {
  background: #7c57f1;
  color: #fff;
}

.payment-cancel {
  background: #f4f4f4;
  color: #111;
}

.payment-success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 80;
}

.payment-success-overlay.is-visible {
  display: flex;
}

.payment-success-card {
  width: min(420px, 100%);
  text-align: center;
  padding: 30px 24px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid #ececec;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
}

.payment-success-card h2 {
  margin: 0 0 10px;
  font-family: 'Jura', sans-serif;
  font-size: 1.5rem;
  color: #111;
}

.payment-success-card p {
  margin: 0;
  color: #666;
  line-height: 1.6;
}

.payment-success-button {
  margin-top: 18px;
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 15px 18px;
  background: #111;
  color: #fff;
  font-family: 'Jura', sans-serif;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 980px) {
  .site-header .site-shell {
    grid-template-columns: auto auto auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    padding: 12px;
    border-radius: 14px;
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    color: rgba(255, 255, 255, 0.84);
  }

  .hero--split,
  .product-layout,
  .checkout-layout,
  .site-footer__grid,
  .site-footer__bottom {
    grid-template-columns: 1fr;
  }

  .catalog-toolbar {
    top: 82px;
  }

  .radio-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .catalog-toolbar {
    position: static;
    margin-top: 0;
  }

  .catalog-toolbar__toggle {
    display: inline-flex;
  }

  .catalog-filters {
    display: none;
    overflow: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .catalog-toolbar.is-open .catalog-filters {
    display: flex;
  }

  .cart-trigger span {
    display: none;
  }

  .site-shell {
    width: min(1180px, calc(100% - 20px));
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .product-card__media {
    aspect-ratio: 1 / 1;
    padding: 10px;
  }

  .hero {
    padding-top: 24px;
  }

  .hero__panel,
  .product-layout__gallery,
  .product-layout__info,
  .checkout-summary,
  .checkout-form,
  .info-section,
  .upload-card {
    padding: 20px;
  }

  .hero__title {
    font-size: clamp(1.8rem, 9vw, 3rem);
  }
}

@media (max-width: 520px) {
  .catalog-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-card__body {
    padding: 14px;
  }

  .product-card__title {
    font-size: 0.96rem;
    min-height: 2.6em;
  }

  .product-card__price {
    font-size: 1.02rem;
  }

  .product-card__badge {
    left: 10px;
    top: 10px;
    padding: 6px 10px;
    font-size: 0.75rem;
  }

  .catalog-toolbar__title {
    font-size: 1.18rem;
  }

  .chip {
    padding: 10px 16px;
  }
}