:root {
  --commerce-cyan: #18e4d8;
  --commerce-panel: rgba(2, 9, 9, 0.86);
}

.commerce-shell {
  min-height: 100svh;
  padding: clamp(28px, 4vw, 58px) clamp(20px, 5vw, 82px) 34px;
  background:
    radial-gradient(circle at 84% 12%, rgba(0, 190, 183, 0.1), transparent 27%),
    linear-gradient(145deg, #020606 0%, #000 68%);
}

.commerce-header {
  display: flex;
  width: min(100%, 1420px);
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.commerce-brand,
.commerce-back,
.commerce-footer a {
  text-decoration: none;
}

.commerce-brand {
  display: inline-block;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.commerce-brand-logo {
  display: block;
  width: clamp(168px, 18vw, 210px);
  height: auto;
}

#store > .commerce-header {
  width: min(100%, 1180px);
}

#store .commerce-brand-logo {
  width: clamp(112px, 9vw, 132px);
}

.commerce-back {
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.commerce-brand:focus-visible,
.commerce-back:focus-visible,
.commerce-footer a:focus-visible,
.button:focus-visible,
.text-button:focus-visible {
  outline: 1px solid var(--green);
  outline-offset: 5px;
}

.commerce-hero,
#catalog,
.development-notice,
.checkout-layout,
.commerce-message,
.commerce-footer,
.result-card {
  width: min(100%, 1180px);
  margin-right: auto;
  margin-left: auto;
}

.commerce-hero {
  padding: clamp(54px, 8vw, 108px) 0 clamp(38px, 5vw, 70px);
}

.commerce-hero--compact {
  padding-bottom: 42px;
}

.commerce-hero h1,
.result-card h1 {
  margin: 8px 0 16px;
  color: #fff;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.commerce-hero > p:last-child,
.result-card > p {
  max-width: 720px;
  margin: 0;
  color: rgba(244, 247, 245, 0.72);
  font-size: 1rem;
  line-height: 1.7;
}

.eyebrow {
  margin: 0;
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.development-notice {
  margin-bottom: 32px;
  padding: 14px 18px;
  border: 1px solid rgba(54, 255, 25, 0.3);
  background: rgba(17, 64, 26, 0.16);
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
}

.development-notice span,
.development-notice strong {
  display: block;
}

.development-notice strong {
  margin-top: 7px;
  color: #fff;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
}

.catalog-section {
  padding: 38px 0 54px;
  border-top: 1px solid rgba(91, 152, 130, 0.18);
}

.catalog-section__title {
  margin: 0 0 22px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.25em;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.catalog-card {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(104px, 0.34fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 42px);
  align-items: center;
  padding: clamp(24px, 3vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background:
    radial-gradient(circle at 12% 4%, rgba(24, 228, 216, 0.08), transparent 30%),
    var(--commerce-panel);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.32);
}

.catalog-card--hardware {
  grid-column: 1 / -1;
}

#catalog .catalog-section:first-child .catalog-grid {
  grid-template-columns: minmax(0, 1.42fr) minmax(270px, 0.82fr);
}

.catalog-card__content {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  align-items: flex-start;
}

.catalog-card__content > .button:first-of-type {
  margin-top: auto;
}

.catalog-card[data-product-id="egidio"] {
  grid-template-columns: minmax(132px, 0.4fr) minmax(0, 1fr);
  border-color: rgba(24, 228, 216, 0.28);
  background:
    radial-gradient(circle at 16% 18%, rgba(24, 228, 216, 0.15), transparent 34%),
    linear-gradient(145deg, rgba(3, 20, 20, 0.96), rgba(1, 7, 7, 0.94));
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.42), inset 0 1px rgba(255, 255, 255, 0.025);
}

.catalog-card[data-product-id="egidio"] .catalog-card__image {
  width: min(100%, 158px);
}

.catalog-card[data-product-id="solomeo"] {
  background: rgba(2, 9, 9, 0.7);
}

.catalog-card[data-product-id="solomeo"] .catalog-card__image {
  background: none;
  box-shadow: none;
  filter: none;
  transform: none;
  backdrop-filter: none;
}

.catalog-card[data-product-id="solomeo-bridge"] {
  grid-column: 1 / -1;
  border-color: rgba(24, 228, 216, 0.25);
  background:
    radial-gradient(circle at 14% 24%, rgba(24, 228, 216, 0.13), transparent 27%),
    radial-gradient(circle at 90% 16%, rgba(229, 44, 206, 0.08), transparent 30%),
    linear-gradient(145deg, rgba(3, 18, 27, 0.96), rgba(4, 7, 17, 0.95));
}

.catalog-card[data-product-id="solomeo-bridge"] .catalog-card__image {
  background: none;
  box-shadow: none;
  filter: none;
  transform: none;
}

.catalog-card__image,
.catalog-card__placeholder {
  width: min(100%, 138px);
  aspect-ratio: 1;
  border-radius: 16px;
}

.catalog-card__image {
  object-fit: contain;
}

.catalog-card__placeholder {
  display: grid;
  place-items: center;
  border: 1px solid rgba(24, 228, 216, 0.34);
  color: var(--commerce-cyan);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.catalog-card h2,
.selected-product h2,
.form-section h2,
.order-summary h2,
.review-panel h2,
.commerce-message h2 {
  margin: 8px 0 14px;
  color: #fff;
  font-weight: 400;
}

.catalog-card h2 {
  font-size: clamp(1.45rem, 2.6vw, 2.25rem);
  letter-spacing: 0.12em;
}

.catalog-card__description,
.catalog-card__availability,
.catalog-card__price,
.catalog-card__shipping {
  margin: 10px 0;
  line-height: 1.55;
}

.catalog-card__description {
  color: rgba(244, 247, 245, 0.74);
}

.catalog-card__availability {
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.catalog-card__price,
.catalog-card__shipping {
  color: var(--muted);
  font-size: 0.82rem;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  padding: 12px 18px;
  border: 1px solid var(--green);
  border-radius: 6px;
  color: #001500;
  background: var(--green);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-decoration: none;
  cursor: pointer;
}

.button--secondary {
  margin-right: 10px;
  color: #fff;
  background: transparent;
}

.button--danger {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: transparent;
}

.button--disabled {
  border-color: rgba(24, 228, 216, 0.34);
  color: rgba(244, 247, 245, 0.7);
  background: rgba(24, 228, 216, 0.05);
  cursor: default;
}

.commerce-footer {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid rgba(57, 255, 40, 0.12);
  text-align: center;
}

.commerce-footer a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

.checkout-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.72fr);
  gap: 20px;
  align-items: start;
}

.checkout-form,
.order-summary,
.commerce-message,
.result-card {
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: var(--commerce-panel);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.32);
}

.form-section {
  position: relative;
  padding: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid rgba(91, 152, 130, 0.16);
}

.form-section:not(.selected-product)::before {
  position: absolute;
  top: clamp(24px, 3vw, 40px);
  bottom: clamp(24px, 3vw, 40px);
  left: 0;
  width: 2px;
  background: linear-gradient(var(--green), rgba(24, 228, 216, 0.18));
  content: "";
}

.selected-product {
  display: flex;
  align-items: center;
  gap: 24px;
}

.selected-product img {
  width: 90px;
  height: 90px;
  border-radius: 14px;
  object-fit: contain;
}

.selected-product p:last-child {
  margin: 0;
  color: var(--green);
  font-size: 0.75rem;
  line-height: 1.5;
}

.form-section h2,
.order-summary h2,
.review-panel h2,
.commerce-message h2 {
  font-size: 1.2rem;
  letter-spacing: 0.12em;
}

.form-section h2 {
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
}

.form-grid__wide {
  grid-column: 1 / -1;
}

.checkout-form label {
  display: grid;
  gap: 8px;
  color: rgba(244, 247, 245, 0.78);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.checkout-form label span {
  color: var(--muted);
  font-weight: 400;
}

.checkout-form input,
.checkout-form select {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid rgba(91, 152, 130, 0.4);
  border-radius: 5px;
  color: #fff;
  background: linear-gradient(145deg, #030a0a, #010505);
  font: inherit;
  font-size: 1rem;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.checkout-form input:focus,
.checkout-form select:focus {
  border-color: var(--green);
  outline: 1px solid rgba(54, 255, 25, 0.5);
  box-shadow: 0 0 0 4px rgba(24, 228, 216, 0.06);
}

.checkbox-label {
  display: flex !important;
  grid-column: 1 / -1;
  grid-template-columns: auto 1fr;
  align-items: center;
  margin-bottom: 22px;
}

.checkbox-label input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--green);
}

.shipping-phone {
  max-width: calc(50% - 9px);
  margin-bottom: 18px;
}

.quantity-field label {
  max-width: 180px;
}

.form-actions,
.review-panel {
  padding: clamp(24px, 3vw, 40px);
}

.order-summary {
  position: sticky;
  top: 20px;
  padding: clamp(24px, 2.6vw, 34px);
  border-color: rgba(24, 228, 216, 0.22);
  background:
    radial-gradient(circle at 100% 0, rgba(24, 228, 216, 0.09), transparent 42%),
    var(--commerce-panel);
}

.order-summary dl,
.review-panel dl,
.result-card dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px 22px;
  margin: 24px 0;
}

.order-summary dl {
  padding: 22px 0;
  border-top: 1px solid rgba(91, 152, 130, 0.18);
  border-bottom: 1px solid rgba(91, 152, 130, 0.18);
}

.order-summary dt:nth-of-type(3),
.order-summary dd:nth-of-type(3) {
  color: #fff;
  font-weight: 700;
}

.order-summary dt,
.review-panel dt,
.result-card dt {
  color: var(--muted);
}

.order-summary dd,
.review-panel dd,
.result-card dd {
  margin: 0;
  color: #fff;
  text-align: right;
  overflow-wrap: anywhere;
}

.summary-note,
.result-next-step {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.65;
}

.mock-controls {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid rgba(54, 255, 25, 0.28);
  background: rgba(17, 64, 26, 0.14);
}

.mock-controls p {
  margin: 0 0 6px;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.text-button {
  margin-top: 22px;
  padding: 0;
  border: 0;
  color: #fff;
  background: transparent;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 5px;
  cursor: pointer;
}

.commerce-message {
  padding: clamp(28px, 4vw, 48px);
}

.commerce-message p {
  color: var(--muted);
  line-height: 1.6;
}

.result-shell {
  display: flex;
  flex-direction: column;
}

.result-card {
  position: relative;
  overflow: hidden;
  margin-top: clamp(54px, 9vw, 120px);
  padding: clamp(30px, 5vw, 64px);
}

.result-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--commerce-cyan), transparent 78%);
  content: "";
}

.result-card h1 {
  font-size: clamp(2.1rem, 6vw, 4.5rem);
}

.result-card--cancel {
  border-color: rgba(255, 255, 255, 0.22);
}

.result-card--cancel::before {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.72), transparent 78%);
}

[hidden] {
  display: none !important;
}

@media (max-width: 820px) {
  .catalog-grid,
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  #catalog .catalog-section:first-child .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-card--hardware {
    grid-column: auto;
  }

  .order-summary {
    position: static;
  }
}

@media (max-width: 560px) {
  .commerce-shell {
    padding-right: 18px;
    padding-left: 18px;
  }

  .commerce-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .catalog-card {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 18px;
    padding: 22px 18px;
  }

  #catalog .catalog-card[data-product-id="egidio"] {
    grid-template-columns: 84px minmax(0, 1fr);
  }

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

  .form-grid__wide {
    grid-column: auto;
  }

  .shipping-phone {
    max-width: none;
  }

  .selected-product {
    align-items: flex-start;
  }

  .order-summary dl,
  .review-panel dl,
  .result-card dl {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .order-summary dd,
  .review-panel dd,
  .result-card dd {
    margin-bottom: 12px;
    text-align: left;
  }

  .button {
    width: 100%;
    margin-right: 0;
  }
}