/* =========================================================
   pages.css — KUKA HOME (Premium Minimal UI)
   Purpose: page-level layouts (Home, Catalog, Product, Cart,
            Checkout, Profile, Auth) — relies on base.css + components.css
   Load order:
     1) base.css
     2) components.css
     3) pages.css
     4) style.css/admin.css/responsive.css (optional overrides)
   ========================================================= */

/* ---------------------------
   0) Global page wrapper
---------------------------- */
.page {
  min-height: 100%;
}

.main {
  padding: var(--s-6) 0 var(--s-7);
}

.page-title {
  display: grid;
  gap: 10px;
  margin-bottom: var(--s-5);
}

.page-title__kicker {
  font-size: var(--fs-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-title__h1 {
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
}

.page-title__sub {
  color: var(--text-2);
  line-height: var(--lh-loose);
  max-width: 70ch;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--text-3);
  font-size: var(--fs-2);
}

.breadcrumbs a:hover {
  color: var(--brand-2);
}

/* ---------------------------
   1) Home page
---------------------------- */
.home-hero {
  padding: var(--s-7) 0 var(--s-6);
}

.home-hero__wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--s-6);
  align-items: center;
}

.home-hero__headline {
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  font-weight: 900;
}

.home-hero__headline .gold {
  color: var(--brand-2);
}

.home-hero__copy {
  margin-top: var(--s-3);
  color: var(--text-2);
  line-height: var(--lh-loose);
  max-width: 70ch;
}

.home-hero__cta {
  margin-top: var(--s-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}

.home-hero__side {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: radial-gradient(140% 120% at 20% 0%, rgba(201,169,106,0.16), rgba(255,255,255,0.03));
  box-shadow: var(--shadow-md);
  padding: var(--s-5);
}

.home-banners {
  margin-top: var(--s-6);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--s-5);
}

.banner {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  padding: var(--s-5);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(700px 340px at 10% 0%, rgba(201,169,106,0.18), transparent 60%),
              radial-gradient(520px 320px at 90% 20%, rgba(106,169,255,0.10), transparent 62%);
  opacity: 0.6;
  pointer-events: none;
}

.banner__title {
  position: relative;
  font-size: var(--fs-5);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.banner__text {
  position: relative;
  margin-top: 10px;
  color: var(--text-2);
  line-height: var(--lh-loose);
}

.banner__foot {
  position: relative;
  margin-top: var(--s-4);
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Home: featured blocks */
.featured {
  margin-top: var(--s-7);
}

.featured__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
  align-items: start;
}

.featured-card {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.featured-card__media {
  aspect-ratio: 16 / 9;
  background: rgba(255,255,255,0.04);
}

.featured-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-card__body {
  padding: var(--s-5);
  display: grid;
  gap: 10px;
}

.featured-card__title {
  font-size: var(--fs-5);
  font-weight: 900;
}

.featured-card__text {
  color: var(--text-2);
  line-height: var(--lh-loose);
}

/* ---------------------------
   2) Catalog page
---------------------------- */
.catalog {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--s-6);
  align-items: start;
}

.filters {
  position: sticky;
  top: 86px;
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.filters__head {
  padding: var(--s-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.filters__title {
  font-weight: 900;
  letter-spacing: -0.01em;
}

.filters__body {
  padding: var(--s-4);
  display: grid;
  gap: var(--s-4);
}

.filter-block {
  display: grid;
  gap: 10px;
}

.filter-block__label {
  font-size: var(--fs-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-2);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease), color var(--t) var(--ease), transform var(--t-fast) var(--ease);
}

.chip:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.05);
  border-color: rgba(201,169,106,0.22);
  color: var(--text);
}

.chip.is-active {
  background: rgba(201,169,106,0.14);
  border-color: rgba(201,169,106,0.28);
  color: var(--brand-2);
}

.catalog__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  margin-bottom: var(--s-4);
}

.sort {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.sort .select {
  width: 220px;
}

/* Active filters row */
.active-filters {
  margin: 10px 0 var(--s-4);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.active-filters__label {
  color: var(--text-3);
  font-size: var(--fs-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------------------------
   3) Product detail page
---------------------------- */
.product-page {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--s-6);
  align-items: start;
}

.product-info {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.product-info__body {
  padding: var(--s-5);
  display: grid;
  gap: 14px;
}

.product-info__title {
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: var(--lh-tight);
  font-weight: 950;
  letter-spacing: -0.02em;
}

.product-info__sku {
  color: var(--text-3);
  font-size: var(--fs-2);
}

.product-info__desc {
  color: var(--text-2);
  line-height: var(--lh-loose);
}

.product-info__price {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.product-info__price .now {
  font-size: 26px;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.product-info__price .was {
  color: var(--text-3);
  text-decoration: line-through;
}

.product-info__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.specs {
  border-top: 1px solid var(--border);
  padding: var(--s-5);
  display: grid;
  gap: 10px;
}

.spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row .k {
  color: var(--text-3);
  font-size: var(--fs-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.spec-row .v {
  color: var(--text);
  font-weight: 700;
  text-align: right;
}

/* Product extra sections */
.product-sections {
  margin-top: var(--s-6);
  display: grid;
  gap: var(--s-5);
}

.accordion {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion__item {
  border-bottom: 1px solid var(--border);
}

.accordion__item:last-child {
  border-bottom: 0;
}

.accordion__btn {
  width: 100%;
  text-align: left;
  padding: var(--s-4) var(--s-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text);
  font-weight: 900;
}

.accordion__btn:hover {
  background: rgba(255,255,255,0.04);
}

.accordion__panel {
  padding: 0 var(--s-5) var(--s-5);
  color: var(--text-2);
  line-height: var(--lh-loose);
  display: none;
}

.accordion__item.is-open .accordion__panel {
  display: block;
}

/* ---------------------------
   4) Cart + Checkout pages
---------------------------- */
.checkout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--s-6);
  align-items: start;
}

.checkout__right {
  position: sticky;
  top: 86px;
}

.checkout-card {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.checkout-card__head {
  padding: var(--s-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.checkout-card__body {
  padding: var(--s-4);
  display: grid;
  gap: 12px;
}

.summary-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-2);
}

.summary-line strong {
  color: var(--text);
}

.summary-line.total {
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.checkout-steps {
  display: grid;
  gap: var(--s-5);
}

.step {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.step__head {
  padding: var(--s-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.step__title {
  font-weight: 950;
  letter-spacing: -0.01em;
}

.step__body {
  padding: var(--s-4);
  display: grid;
  gap: var(--s-4);
}

/* ---------------------------
   5) Profile page (voucher etc.)
---------------------------- */
.profile {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--s-6);
  align-items: start;
}

.profile-card {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.profile-card__head {
  padding: var(--s-5);
  border-bottom: 1px solid var(--border);
  display: grid;
  gap: 6px;
}

.profile-card__name {
  font-size: var(--fs-5);
  font-weight: 950;
}

.profile-card__meta {
  color: var(--text-3);
  font-size: var(--fs-2);
}

.profile-card__body {
  padding: var(--s-5);
  display: grid;
  gap: 12px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
}

.kpi {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  padding: 14px;
}

.kpi .val {
  font-size: 22px;
  font-weight: 950;
  letter-spacing: -0.01em;
}

.kpi .lbl {
  margin-top: 6px;
  color: var(--text-3);
  font-size: var(--fs-2);
}

/* Voucher list */
.voucher-list {
  display: grid;
  gap: var(--s-4);
}

.voucher-card {
  border-radius: var(--r-xl);
  border: 1px solid rgba(201,169,106,0.22);
  background: radial-gradient(120% 100% at 15% 0%, rgba(201,169,106,0.20), rgba(255,255,255,0.03));
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.voucher-card__body {
  padding: var(--s-5);
  display: grid;
  gap: 10px;
}

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

.voucher-card__code code {
  font-weight: 950;
  font-size: var(--fs-4);
  letter-spacing: 0.08em;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.20);
}

.voucher-card__hint {
  color: var(--text-2);
  line-height: var(--lh-loose);
}

.voucher-card__foot {
  padding: var(--s-4) var(--s-5);
  border-top: 1px solid rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ---------------------------
   6) Auth pages (login/register)
---------------------------- */
.auth {
  min-height: calc(100vh - 90px);
  display: grid;
  place-items: center;
  padding: var(--s-7) 0;
}

.auth-card {
  width: min(520px, 100%);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.auth-card__head,
.auth-card__body,
.auth-card__foot {
  padding: var(--s-5);
}

.auth-card__head {
  border-bottom: 1px solid var(--border);
}

.auth-card__title {
  font-size: var(--fs-6);
  line-height: var(--lh-tight);
  font-weight: 950;
}

.auth-card__sub {
  margin-top: 10px;
  color: var(--text-2);
  line-height: var(--lh-loose);
}

.auth-card__foot {
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: var(--fs-2);
}

/* ---------------------------
   7) Utility page blocks
---------------------------- */
.page-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
  align-items: start;
}

.notice {
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  padding: var(--s-5);
  box-shadow: var(--shadow-sm);
}

.notice__title {
  font-weight: 950;
  font-size: var(--fs-5);
}

.notice__text {
  margin-top: 10px;
  color: var(--text-2);
  line-height: var(--lh-loose);
}

/* ---------------------------
   8) Responsive (pages)
---------------------------- */
@media (max-width: 1100px) {
  .home-hero__wrap { grid-template-columns: 1fr; }
  .home-banners { grid-template-columns: 1fr; }
  .featured__grid { grid-template-columns: 1fr; }
  .catalog { grid-template-columns: 1fr; }
  .filters { position: static; }
  .product-page { grid-template-columns: 1fr; }
  .checkout { grid-template-columns: 1fr; }
  .checkout__right { position: static; }
  .profile { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .main { padding: var(--s-5) 0 var(--s-6); }
  .home-hero { padding: var(--s-6) 0 var(--s-5); }
  .page-split { grid-template-columns: 1fr; }
  .sort .select { width: 100%; }
  .catalog__top { flex-direction: column; align-items: stretch; }
}