* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f7f7f7;
  color: #1f1f1f;
  line-height: 1.6;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

button {
  font: inherit;
  cursor: pointer;
}

.site-header,
.site-footer {
  padding: 1rem clamp(1rem, 5vw, 3rem);
  background: #111111;
  color: #ffffff;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__logo {
  font-size: 1.5rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  gap: 1rem;
}

.site-header__toggle {
  display: none;
  border: none;
  background: transparent;
  color: inherit;
  padding: 0.25rem;
}

.site-nav__close {
  display: none;
  background: transparent;
  border: none;
  color: inherit;
  font-size: 1.5rem;
  align-self: flex-end;
}

.site-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.site-nav__overlay.site-nav__overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

body.has-nav-open {
  overflow: hidden;
}

/* Off-canvas sidenav for mobile */
.site-nav[data-nav] {
  transition: transform 0.25s ease;
}

@media (max-width: 768px) {
  .site-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    transform: translateX(100%);
    width: 280px;
    height: 100%;
    background: #111111;
    color: #ffffff;
    flex-direction: column;
    padding: 1.25rem;
    gap: 1rem;
    z-index: 1000;
    box-shadow: -8px 0 24px rgba(0,0,0,0.3);
    overflow-y: auto;
  }

  .site-nav a {
    color: #ffffff;
    padding: 0.5rem 0;
    display: block;
    font-weight: 600;
  }

  .site-nav__close {
    display: inline-flex;
    margin-left: auto;
    color: #ffffff;
    font-size: 1.4rem;
  }

  .site-nav--open {
    transform: translateX(0);
  }

  .site-nav__overlay {
    opacity: 0;
  }
}

.site-nav a {
  font-weight: 500;
}

main {
  padding: clamp(1.5rem, 4.5vw, 3rem);
  display: grid;
  gap: clamp(2rem, 4vw, 4rem);
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
}

.hero {
  display: grid;
  gap: 1.75rem;
  background: #ffffff;
  border-radius: 1.1rem;
  padding: clamp(1.75rem, 4.5vw, 3rem);
  box-shadow: 0 10px 30px rgba(17, 17, 17, 0.08);
  max-width: 1120px;
  margin: 0 auto;
}

.hero__intro {
  max-width: 50ch;
}

.hero__status,
.products__status {
  margin: 0;
  font-size: 0.95rem;
  color: #555555;
}

.carousel {
  max-width: 100%;
}

.carousel__container {
  position: relative;
  padding-inline: clamp(1.25rem, 3vw, 2.15rem);
}

.carousel__control {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: none;
  background: rgba(17, 17, 17, 0.85);
  color: #ffffff;
  display: grid;
  place-items: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.carousel__control:hover,
.carousel__control:focus-visible {
  background: #111111;
}

.carousel__control:disabled {
  background: #cccccc;
  color: #666666;
  cursor: not-allowed;
}

.carousel__control[data-carousel-prev] {
  left: clamp(0.5rem, 1.5vw, 1.25rem);
}

.carousel__control[data-carousel-next] {
  right: clamp(0.5rem, 1.5vw, 1.25rem);
}

.carousel__slides {
  position: relative;
  min-height: clamp(24rem, 55vw, 36rem);
  border-radius: 1rem;
  background: #ffffff;
  overflow: hidden;
}

.carousel__slide {
  position: static;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(1.1rem, 4vw, 2.25rem);
  padding: clamp(1.25rem, 3vw, 2.75rem);
}

.carousel__slide[hidden] {
  display: none;
}

.carousel__image {
  width: 100%;
  max-width: clamp(340px, 50vw, 580px);
  height: clamp(20rem, 48vw, 32rem);
  object-fit: contain;
  object-position: center;
  justify-self: center;
  border-radius: 1rem;
  background: #f3f3f3;
  padding: clamp(0.6rem, 1.75vw, 1rem);
  box-shadow: 0 15px 35px rgba(17, 17, 17, 0.12);
}

.carousel__body {
  display: grid;
  gap: 0.5rem;
  justify-items: start;
  text-align: left;
}

.carousel__tag {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: #2b5dd5;
  margin: 0;
}

.carousel__title {
  margin: 0;
  font-size: clamp(1.4rem, 5vw, 2rem);
}

.carousel__price {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
  margin: 0;
}

.carousel__price-original {
  text-decoration: line-through;
  color: #666666;
  font-size: 0.95rem;
}

.carousel__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  background: #111111;
  color: #ffffff;
  font-weight: 600;
}

.products {
  display: grid;
  gap: 1.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.products__header {
  display: grid;
  gap: 0.5rem;
}

.product-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.product-card {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  background: #ffffff;
  border-radius: 0.75rem;
  box-shadow: 0 8px 20px rgba(17, 17, 17, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover,
.product-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(17, 17, 17, 0.1);
}

.product-card__title {
  font-weight: 600;
}

.product-card__price {
  font-size: 0.95rem;
  color: #2b5dd5;
  font-weight: 600;
}

.site-footer {
  text-align: center;
}

.product-page {
  display: grid;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
  background: #ffffff;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border-radius: 1rem;
  box-shadow: 0 10px 30px rgba(17, 17, 17, 0.08);
}

.product-page__back {
  font-weight: 500;
  color: #2b5dd5;
}

.product-page__status {
  margin: 0;
  font-size: 0.95rem;
  color: #555555;
}

.product-detail {
  display: grid;
  gap: clamp(1.5rem, 5vw, 2.5rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.product-detail__media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-detail__image {
  width: min(100%, 420px);
  height: clamp(18rem, 45vw, 26rem);
  object-fit: contain;
  background: #f3f3f3;
  border-radius: 1rem;
  padding: clamp(0.75rem, 3vw, 1.25rem);
  box-shadow: 0 12px 30px rgba(17, 17, 17, 0.08);
}

.product-detail__info {
  display: grid;
  gap: 1rem;
}

.product-detail__tags {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: #2b5dd5;
}

.product-detail__description {
  margin: 0;
  color: #333333;
}

.product-detail__price {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  margin: 0;
  font-weight: 600;
  color: #111111;
}

.product-detail__price-current {
  color: #2b5dd5;
}

.product-detail__price-original {
  color: #666666;
  text-decoration: line-through;
  font-size: 0.95rem;
}

.product-detail__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.product-detail__rating {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0;
  font-weight: 500;
  color: #111111;
}

.product-detail__rating-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: #111111;
}

.product-detail__rating-count {
  font-size: 0.95rem;
  color: #555555;
}

.product-detail__share {
  display: grid;
  gap: 0.25rem;
  justify-items: end;
}

.product-detail__share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid #dbe6ff;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  background: #f4f7ff;
  color: #1b3f94;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.product-detail__share-btn:hover,
.product-detail__share-btn:focus-visible {
  background: #2b5dd5;
  border-color: #2b5dd5;
  color: #ffffff;
}

.product-detail__share-icon {
  width: 1.1rem;
  height: 1.1rem;
}

.product-detail__share-status {
  margin: 0;
  min-height: 1rem;
  font-size: 0.85rem;
  color: #1f7a3f;
}

.product-detail__share-status--error {
  color: #b3261e;
}

.product-detail__actions {
  display: grid;
  gap: 0.5rem;
}

.product-detail__actions--locked {
  gap: 0.75rem;
}

.product-detail__cart-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 999px;
  background: #111111;
  color: #ffffff;
  font-weight: 600;
  transition: background 0.2s ease;
  text-align: center;
  text-decoration: none;
}

.product-reviews {
  margin-top: clamp(2rem, 5vw, 3rem);
  display: grid;
  gap: 1.25rem;
  background: #ffffff;
  border-radius: 1rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  box-shadow: 0 12px 36px rgba(17, 17, 17, 0.08);
}

.product-reviews__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.product-reviews__summary {
  margin: 0;
  font-size: 0.95rem;
  color: #555555;
}

.product-reviews__empty {
  margin: 0;
  color: #555555;
}

.product-reviews__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.product-reviews__item {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid #e5e5e5;
  border-radius: 0.75rem;
  background: #f9fbff;
}

.product-reviews__item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.product-reviews__author {
  margin: 0;
  font-weight: 600;
  color: #111111;
}

.product-reviews__rating {
  margin: 0;
  font-size: 0.9rem;
  color: #2b5dd5;
  font-weight: 600;
}

.product-reviews__date {
  margin: 0;
  font-size: 0.85rem;
  color: #777777;
}

.product-reviews__body {
  margin: 0;
  color: #333333;
  line-height: 1.6;
}

@media (max-width: 720px) {
  .product-detail__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .product-detail__share {
    justify-items: start;
  }
}

.product-detail__cart-btn:hover,
.product-detail__cart-btn:focus-visible {
  background: #2b5dd5;
}

.product-detail__cart-btn--secondary {
  background: #ffffff;
  color: #111111;
  border: 2px solid #111111;
}

.product-detail__cart-btn--secondary:hover,
.product-detail__cart-btn--secondary:focus-visible {
  background: #f2f2f2;
  color: #111111;
  border-color: #2b5dd5;
}

.product-detail__note {
  margin: 0;
  font-size: 0.9rem;
  color: #555555;
}

.product-detail__auth {
  margin: 0;
  font-size: 0.9rem;
  color: #b3261e;
}

.cart-page {
  display: grid;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
  background: #ffffff;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border-radius: 1rem;
  box-shadow: 0 10px 30px rgba(17, 17, 17, 0.08);
}

.cart-page__status,
.cart-page__empty {
  margin: 0;
  color: #555555;
  font-size: 0.95rem;
}

.cart-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-columns: minmax(0, 3fr) minmax(0, 1.5fr);
}

.cart-items {
  display: grid;
  gap: 1rem;
}

.cart-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  background: #ffffff;
  border: 1px solid #e5e5e5;
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: 0 6px 18px rgba(17, 17, 17, 0.05);
}

.cart-item__image {
  width: 96px;
  height: 96px;
  object-fit: contain;
  background: #f3f3f3;
  border-radius: 0.5rem;
  padding: 0.5rem;
}

.cart-item__title {
  margin: 0;
  font-size: 1rem;
}

.cart-item__meta {
  margin: 0.25rem 0 0;
  display: flex;
  gap: 0.75rem;
  color: #555555;
  font-size: 0.95rem;
}

.cart-item__details {
  display: grid;
  gap: 0.5rem;
}

.cart-item__quantity-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #dbe6ff;
  background: #f4f7ff;
}

.cart-item__quantity-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: #111111;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.cart-item__quantity-btn:hover,
.cart-item__quantity-btn:focus-visible {
  background: #2b5dd5;
  color: #ffffff;
}

.cart-item__quantity-value {
  min-width: 1.75rem;
  text-align: center;
  font-weight: 600;
  color: #111111;
}

.cart-item__total {
  margin: 0;
  font-weight: 600;
  color: #2b5dd5;
}

.cart-item__summary {
  display: grid;
  gap: 0.5rem;
  justify-items: end;
}

.cart-item__remove {
  border: none;
  background: transparent;
  color: #c32727;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  padding: 0;
}

.cart-item__remove:hover,
.cart-item__remove:focus-visible {
  color: #9f1d1d;
}

.cart-summary {
  display: grid;
  gap: 1rem;
  background: #f7f9ff;
  border-radius: 1rem;
  padding: clamp(1.5rem, 4vw, 2rem);
  box-shadow: inset 0 0 0 1px #dbe6ff;
}

.cart-summary h2 {
  margin: 0;
}

.cart-summary__totals {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.cart-summary__totals div {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.cart-summary__totals dt {
  font-weight: 500;
}

.cart-summary__totals dd {
  margin: 0;
  font-weight: 600;
}

.cart-summary__checkout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  background: #111111;
  color: #ffffff;
  font-weight: 600;
  transition: background 0.2s ease;
}

.cart-summary__checkout:hover,
.cart-summary__checkout:focus-visible {
  background: #2b5dd5;
}

.auth-main {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 3rem);
  gap: 1.75rem;
  min-height: calc(100vh - 160px);
  align-content: center;
}

.auth-card {
  display: grid;
  gap: 1.25rem;
  background: #ffffff;
  border-radius: 1rem;
  padding: clamp(1.75rem, 6vw, 2.5rem);
  box-shadow: 0 18px 40px rgba(17, 17, 17, 0.08);
}

.auth-card__intro {
  margin: 0;
  color: #444444;
}

.auth-card__hint {
  margin: 0;
  font-size: 0.95rem;
  color: #444444;
}

.auth-card__notice {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 0.85rem;
  background: #ecf8f0;
  border: 1px solid #b7e4c7;
  color: #0f5132;
}

.auth-card__notice-text {
  margin: 0;
  font-size: 0.95rem;
}

.auth-form--disabled {
  opacity: 0.6;
  pointer-events: none;
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.form-field {
  display: grid;
  gap: 0.4rem;
}

.form-field label {
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid #d4d7dd;
  border-radius: 0.65rem;
  background: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: #2b5dd5;
  box-shadow: 0 0 0 3px rgba(43, 93, 213, 0.2);
}

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

.field-error {
  min-height: 1.125rem;
  color: #b3261e;
  font-size: 0.875rem;
}

.form-field-group {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.auth-form button[type="submit"] {
  padding: 0.75rem 1rem;
  background: #111111;
  color: #ffffff;
  border: none;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.auth-form button[type="submit"]:hover,
.auth-form button[type="submit"]:focus-visible {
  background: #2b5dd5;
  box-shadow: 0 12px 24px rgba(43, 93, 213, 0.28);
  transform: translateY(-2px);
}

.auth-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.form-message {
  margin: 0;
  font-size: 0.95rem;
  min-height: 1.2rem;
}

.form-message--error {
  color: #b3261e;
}

.form-message--success {
  color: #1f7a3f;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.checkout-main {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 3rem) clamp(1.25rem, 5vw, 2rem);
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.checkout-intro {
  display: grid;
  gap: 0.6rem;
}

.checkout-intro__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.checkout-intro__back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #2b5dd5;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.checkout-intro__back:hover,
.checkout-intro__back:focus-visible {
  color: #1b3f94;
}

.checkout-intro__back-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.checkout-intro__step {
  margin: 0;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #2b5dd5;
}

.checkout-intro__hint {
  margin: 0;
  color: #444444;
  max-width: 50ch;
}

.checkout-form {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.checkout-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.15fr);
  grid-template-areas:
    "delivery summary"
    "payment summary";
}

.checkout-section:first-of-type {
  grid-area: delivery;
}

.checkout-section:last-of-type {
  grid-area: payment;
}

.checkout-section,
.checkout-summary {
  background: #ffffff;
  border-radius: 1rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  box-shadow: 0 18px 40px rgba(17, 17, 17, 0.08);
}

.checkout-section {
  display: grid;
  gap: 1.25rem;
}

.checkout-section h2,
.checkout-summary h2 {
  margin: 0;
}

.payment-options {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  border: none;
}

.payment-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid #d4d7dd;
  border-radius: 0.75rem;
  background: #f6f7fb;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.payment-option input {
  width: 1.1rem;
  height: 1.1rem;
}

.payment-option:focus-within {
  border-color: #2b5dd5;
  box-shadow: 0 0 0 3px rgba(43, 93, 213, 0.2);
  background: #eef2ff;
}

.payment-card {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px dashed #d4d7dd;
  border-radius: 0.9rem;
  background: #fdfdfd;
}

.payment-card__hint {
  margin: 0;
  font-size: 0.9rem;
  color: #555555;
}

.optional {
  font-weight: 500;
  color: #666666;
}

.checkout-summary {
  display: grid;
  gap: 1.25rem;
  position: sticky;
  top: clamp(1.5rem, 6vh, 2.5rem);
  grid-area: summary;
}

.checkout-summary__items {
  list-style: none;
  display: grid;
  gap: 0.9rem;
  padding: 0;
  margin: 0;
}

.checkout-summary__items li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.item-name {
  margin: 0;
  font-weight: 600;
}

.item-meta {
  margin: 0;
  font-size: 0.9rem;
  color: #666666;
}

.item-total {
  margin: 0;
  font-weight: 600;
}

.checkout-summary__totals {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.checkout-summary__totals div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.checkout-summary__grand {
  font-size: 1.1rem;
  font-weight: 600;
}

.checkout-summary__note {
  margin: 0;
  font-size: 0.9rem;
  color: #555555;
}

.checkout-submit {
  justify-self: end;
  padding: 0.85rem 1.75rem;
  background: #111111;
  color: #ffffff;
  border: none;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.checkout-submit:hover,
.checkout-submit:focus-visible {
  background: #2b5dd5;
  box-shadow: 0 12px 24px rgba(43, 93, 213, 0.28);
  transform: translateY(-2px);
}

.checkout-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  background: #111111;
  color: #ffffff;
  font-weight: 600;
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  text-decoration: none;
  background: #2b5dd5;
  box-shadow: 0 12px 24px rgba(43, 93, 213, 0.28);
  transform: translateY(-2px);
}

.button--secondary {
  background: #ffffff;
  color: #111111;
  border: 1px solid #d4d7dd;
  box-shadow: 0 4px 15px rgba(17, 17, 17, 0.08);
}

.button--secondary:hover,
.button--secondary:focus-visible {
  background: #f3f4f8;
  color: #111111;
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.12);
}

.success-main {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 3.25rem) clamp(1.5rem, 6vw, 2.5rem);
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.success-card {
  background: #ffffff;
  border-radius: 1.5rem;
  padding: clamp(2rem, 5vw, 2.75rem);
  box-shadow: 0 20px 45px rgba(17, 17, 17, 0.1);
  display: grid;
  gap: clamp(1.25rem, 4vw, 1.75rem);
}

.success-card__icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  color: #2b5dd5;
  background: rgba(43, 93, 213, 0.12);
  border-radius: 50%;
}

.success-card__eyebrow {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #2b5dd5;
  font-weight: 600;
}

.success-card__intro {
  margin: 0;
  max-width: 56ch;
  color: #444444;
}

.success-card__details {
  margin: 0;
  padding: clamp(1rem, 4vw, 1.5rem);
  border: 1px dashed #d4d7dd;
  border-radius: 1rem;
  display: grid;
  gap: 1rem;
}

.success-card__details div {
  display: grid;
  gap: 0.25rem;
}

.success-card__details dt {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #666666;
}

.success-card__details dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.success-card__note {
  margin: 0;
  color: #444444;
}

.success-card__note a {
  color: #2b5dd5;
  text-decoration: underline;
}

.success-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.success-card__logout-message {
  margin: 0.6rem 0 0;
  color: #0f5132;
  font-size: 0.95rem;
}

.success-followup {
  background: #ffffff;
  border-radius: 1rem;
  padding: clamp(1.75rem, 5vw, 2.25rem);
  box-shadow: 0 16px 38px rgba(17, 17, 17, 0.08);
  display: grid;
  gap: 1rem;
}

.success-followup h2 {
  margin: 0;
}

.success-followup ul {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.75rem;
}

.success-followup li {
  color: #444444;
}

@media (max-width: 960px) {
  main {
    padding: clamp(1.25rem, 6vw, 2.5rem);
  }

  .hero,
  .products,
  .product-page,
  .cart-page,
  .checkout-main,
  .success-main {
    max-width: 100%;
    padding: clamp(1.25rem, 6vw, 2.5rem);
  }

  .carousel__container {
    padding-inline: clamp(0.75rem, 5vw, 1.75rem);
  }

  .carousel__slide {
    position: static;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: clamp(1rem, 4vw, 2rem);
  }

  .carousel__body {
    justify-items: start;
    text-align: left;
  }

  .carousel__image {
    max-width: clamp(320px, 52vw, 540px);
    height: clamp(18rem, 55vw, 28rem);
  }

  .checkout-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "delivery"
      "payment"
      "summary";
  }

  .checkout-summary {
    position: static;
  }

  .success-card {
    padding: clamp(1.75rem, 6vw, 2.25rem);
  }
}

@media (max-width: 720px) {
  .hero {
    padding: clamp(1rem, 6vw, 2rem);
  }

  .carousel__slides {
    min-height: auto;
  }

  .carousel__slide {
    position: static;
    padding: clamp(1rem, 6vw, 2rem);
  }

  .carousel__control {
    top: auto;
    bottom: clamp(1.25rem, 6vw, 2rem);
    transform: none;
    width: 2.5rem;
    height: 2.5rem;
  }

  .carousel__control[data-carousel-prev] {
    left: clamp(1rem, 8vw, 2rem);
  }

  .carousel__control[data-carousel-next] {
    right: clamp(1rem, 8vw, 2rem);
  }

  .carousel__image {
    height: clamp(16rem, 65vw, 22rem);
  }

  .product-page {
    padding: clamp(1rem, 6vw, 2rem);
  }

  .cart-layout {
    grid-template-columns: 1fr;
  }

  .cart-item {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cart-item__image {
    margin: 0 auto;
  }

  .cart-item__summary {
    justify-items: center;
  }

  .cart-item__quantity-controls {
    margin: 0 auto;
  }

  .auth-main {
    min-height: calc(100vh - 140px);
    padding: clamp(1.5rem, 8vw, 2.5rem);
  }

  .auth-card {
    padding: clamp(1.25rem, 8vw, 2rem);
  }

  .auth-card__notice {
    flex-direction: column;
    align-items: stretch;
  }

  .auth-card__notice .button {
    width: 100%;
  }

  .checkout-main {
    padding: clamp(1.5rem, 8vw, 2.5rem) clamp(1rem, 6vw, 1.5rem);
  }

  .form-field-group {
    grid-template-columns: 1fr;
  }

  .checkout-submit {
    width: 100%;
    justify-self: stretch;
  }

  .success-card__actions {
    flex-direction: column;
    align-items: stretch;
  }

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