:root {
  color-scheme: light;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #1f2937;
  background: #f3f4f6;
  --yellow: #fff159;
  --blue: #3483fa;
  --blue-dark: #1259c3;
  --border: #d9dfe7;
  --muted: #6b7280;
  --surface: #ffffff;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f3f4f6;
  color: #111827;
}

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

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

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

button {
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

textarea {
  resize: vertical;
}

.container {
  width: min(1280px, calc(100% - 24px));
  margin: 0 auto;
}

.top-strip {
  padding: 8px 12px;
  background: #111827;
  color: #fff;
  text-align: center;
  font-size: 0.88rem;
}

.top-strip p,
.section-label,
.eyebrow,
.site-footer p,
.muted {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.08);
}

.header-main {
  display: grid;
  grid-template-columns: 280px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 14px 0;
  background: var(--yellow);
}

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

.brand strong {
  display: block;
  font-size: 1.05rem;
}

.brand small {
  display: block;
  color: #374151;
}

.brand__badge {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #111827;
  color: #fff;
  font-weight: 800;
}

.header-search {
  display: grid;
  grid-template-columns: 1fr auto;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.header-search input {
  border: 0;
  border-radius: 0;
}

.header-search button {
  border: 0;
  min-width: 120px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
}

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

.header-links a {
  padding: 10px 12px;
  border-radius: 999px;
}

.cart-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #111827;
  color: #fff;
}

.cart-pill span {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: #fff;
  color: #111827;
  font-size: 0.8rem;
}

.is-active {
  background: #eff6ff;
  color: var(--blue-dark);
}

.category-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 0 12px;
  background: #fff;
}

.category-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: #4b5563;
}

.category-nav a:hover {
  background: #eff6ff;
  color: var(--blue-dark);
}

.page-stack {
  display: grid;
  gap: 24px;
  padding: 24px 0 48px;
}

.hero,
.catalog-layout,
.cart-layout,
.account-layout,
.contact-layout,
.checkout-layout {
  display: grid;
  gap: 20px;
}

.hero {
  grid-template-columns: 1.35fr 0.85fr;
}

.hero__content,
.hero__panel,
.section-block,
.info-card,
.filters-card,
.summary-card,
.form-card,
.profile-card {
  background: var(--surface);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero__content,
.hero__panel,
.section-block,
.filters-card,
.summary-card,
.form-card,
.profile-card {
  padding: 24px;
}

.eyebrow,
.section-label {
  color: var(--blue-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  font-weight: 700;
}

.hero h1,
.section-head h1,
.section-head h2,
.info-card h2,
.info-card h3,
.form-card h3,
.summary-card h2,
.profile-card h2,
.empty-state h2 {
  margin: 0;
  line-height: 1.15;
}

.hero h1 {
  font-size: clamp(2rem, 2.2vw + 1.2rem, 3.2rem);
}

.hero__content p:not(.eyebrow),
.hero__metric span,
.info-card p,
.muted,
.product-card p,
.footer-grid p,
.plain-list,
.summary-card p,
.empty-state p {
  color: var(--muted);
  line-height: 1.6;
}

.hero__actions,
.button-row,
.payment-badges,
.footer-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

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

.hero__metric {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
}

.hero__metric strong {
  font-size: 1.05rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 700;
  transition: transform 120ms ease, background 120ms ease;
}

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

.button--primary {
  background: var(--blue);
  color: #fff;
}

.button--light {
  background: #fff;
  color: #111827;
  border-color: var(--border);
}

.section-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.category-grid,
.info-grid,
.faq-grid,
.product-grid {
  display: grid;
  gap: 18px;
}

.category-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.category-card,
.info-card {
  padding: 20px;
}

.category-card {
  display: grid;
  gap: 8px;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f9fafb);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.category-card strong {
  font-size: 1.1rem;
}

.info-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.payment-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px;
  border-radius: 20px;
  background: linear-gradient(135deg, #111827, #1f2937);
  color: #fff;
  box-shadow: var(--shadow);
}

.payment-strip .section-label,
.payment-strip p {
  color: #cbd5e1;
}

.payment-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.catalog-layout {
  grid-template-columns: 290px 1fr;
  align-items: start;
}

.filters-card {
  display: grid;
  gap: 14px;
}

.filters-card h3 {
  margin: 0 0 4px;
}

.filters-card label,
.form-card label {
  display: grid;
  gap: 8px;
  color: #374151;
}

.catalog-results {
  display: grid;
  gap: 18px;
}

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

.product-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

.product-card__image {
  overflow: hidden;
  border-radius: 14px;
  aspect-ratio: 4 / 3;
  background: #e5e7eb;
}

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

.product-card__body {
  display: grid;
  gap: 8px;
}

.product-card__body h3 {
  margin: 0;
  font-size: 1.05rem;
}

.product-card__category {
  color: var(--blue-dark);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-card__price {
  display: grid;
}

.product-card__price strong {
  font-size: 1.35rem;
}

.tag-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--blue-dark);
  font-size: 0.84rem;
}

.cart-layout {
  grid-template-columns: 1.3fr 0.8fr;
  align-items: start;
}

.cart-list {
  display: grid;
  gap: 16px;
}

.cart-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 16px;
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

.cart-item img {
  width: 140px;
  height: 110px;
  border-radius: 14px;
  object-fit: cover;
}

.cart-item__body {
  display: grid;
  gap: 8px;
}

.cart-item__actions {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.qty-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: #f3f4f6;
}

.qty-row button {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: #fff;
}

.summary-card {
  position: sticky;
  top: 132px;
  display: grid;
  gap: 14px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.summary-line strong {
  color: #111827;
}

.empty-state {
  padding: 32px;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
}

.account-layout {
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
}

.account-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-card {
  display: grid;
  gap: 14px;
}

.profile-update-form {
  display: grid;
  gap: 14px;
}

.profile-card {
  display: grid;
  gap: 12px;
}

.profile-card.is-hidden {
  display: none;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.history-grid section {
  padding: 16px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
}

.history-grid h3 {
  margin: 0 0 12px;
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid #e5e7eb;
}

.history-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.history-item span {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-layout {
  grid-template-columns: 0.85fr 1.15fr;
}

.checkout-layout {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.checkout-card {
  display: grid;
  gap: 16px;
}

.payment-options {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.payment-option {
  flex: 1 1 220px;
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  text-align: left;
}

.payment-option.is-selected {
  border-color: var(--blue);
  background: #eff6ff;
}

.payment-option span {
  color: var(--muted);
}

.payment-status-layout {
  display: grid;
  place-items: center;
  min-height: 55vh;
}

.payment-status-card {
  width: min(760px, 100%);
  text-align: center;
}

.contact-form .button {
  width: 100%;
}

.faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.plain-list {
  margin: 0;
  padding-left: 18px;
}

.status-message {
  padding: 14px 16px;
  border-radius: 14px;
  background: #ecfdf5;
  color: #065f46;
}

.status-message.is-error {
  background: #fef2f2;
  color: #991b1b;
}

.site-footer {
  padding: 24px 0 36px;
  color: var(--muted);
}

.footer-grid {
  justify-content: space-between;
  align-items: start;
}

.footer-grid > div {
  display: grid;
  gap: 8px;
}

@media (max-width: 1080px) {
  .hero,
  .catalog-layout,
  .cart-layout,
  .account-layout,
  .contact-layout,
  .checkout-layout,
  .account-panels,
  .product-grid,
  .info-grid,
  .history-grid,
  .faq-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .header-main {
    grid-template-columns: 1fr;
  }

  .header-links {
    justify-content: flex-start;
  }

  .header-search {
    grid-template-columns: 1fr;
  }

  .header-search button {
    min-height: 46px;
  }

  .cart-item,
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .payment-strip {
    display: grid;
  }
}