/* ======================================================
   Shop CSS — Tenute Furnari del Mongibello
   Stili per prodotti, carrello, checkout.
   Palette e tipografia allineate al sito principale.
   ====================================================== */

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --tf-bg: #0d0c0b;
  --tf-bg-card: #141312;
  --tf-bg-elevated: #1a1918;
  --tf-text: #EDEBE8;
  --tf-text-muted: #BAB8B3;
  --tf-text-faint: #8B8A87;
  --tf-accent: #C8B074;
  --tf-accent-hover: #A1925E;
  --tf-border: rgba(237,235,232,0.12);
  --tf-border-accent: rgba(200,176,116,0.22);
  --tf-success: #6B9E6B;
  --tf-error: #C76B6B;
  --tf-font-heading: 'Playfair Display', Georgia, serif;
  --tf-font-body: 'Montserrat', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--tf-font-body);
  color: var(--tf-text);
  background-color: var(--tf-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--tf-font-heading);
  color: var(--tf-text);
  font-weight: 400;
}

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

a { color: var(--tf-accent); text-decoration: none; transition: color .3s; }
a:hover { color: var(--tf-accent-hover); }

.container {
  width: 100%;
  max-width: 1420px;
  margin: 0 auto;
  padding-inline: clamp(22px, 6vw, 104px);
}

/* ── Navbar ────────────────────────────────────────────── */
.shop-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 78px;
  display: flex;
  align-items: center;
  background: rgba(10,9,8,0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--tf-border-accent);
  transition: height 0.5s ease, background 0.5s ease;
}

.shop-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.shop-nav .nav-brand {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  color: var(--tf-text);
}

.shop-nav .nav-brand img {
  height: 38px;
  width: auto;
  display: block;
}

.shop-nav .nav-brand-text {
  display: block;
}

.shop-nav .nav-brand-name {
  display: block;
  font-family: var(--tf-font-heading);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.1;
}

.shop-nav .nav-brand-sub {
  display: block;
  font-family: var(--tf-font-body);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(237,235,232,0.55);
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 34px);
}

.nav-links a {
  font-size: 11px;
  font-weight: 400;
  font-family: var(--tf-font-body);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--tf-text);
  opacity: 0.82;
  transition: opacity .3s, color .3s;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 1;
  color: var(--tf-accent);
}

.nav-cart {
  position: relative;
  font-size: 1.15rem;
}

.cart-badge {
  position: absolute;
  top: -8px;
  right: -12px;
  background: var(--tf-accent);
  color: var(--tf-bg);
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--tf-font-body);
}

.cart-badge.hidden { display: none; }

/* ── Page Header ───────────────────────────────────────── */
.page-header {
  text-align: center;
  padding: clamp(100px, 14vh, 160px) 0 clamp(40px, 5vw, 60px);
}

.page-header .kicker {
  font-family: var(--tf-font-body);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--tf-accent);
  margin-bottom: 22px;
}

.page-header h1 {
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.005em;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--tf-text-muted);
  font-size: 16px;
  line-height: 1.85;
  max-width: 52ch;
  margin: 0 auto;
}

/* ── Product Grid ──────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.4vw, 36px);
  padding-bottom: clamp(60px, 8vw, 100px);
}

.product-card {
  background: var(--tf-bg-card);
  border: 1px solid var(--tf-border);
  overflow: hidden;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .5);
  border-color: var(--tf-border-accent);
}

.product-card .product-img {
  width: 100%;
  height: 280px;
  overflow: hidden;
  background: #0a0908;
}

.product-card .product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.product-card:hover .product-img img {
  transform: scale(1.06);
}

.product-info {
  padding: clamp(20px, 2vw, 28px);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-info h3 {
  font-size: 1.35rem;
  margin-bottom: 0.3rem;
  color: var(--tf-text);
  font-weight: 400;
}

.product-format {
  font-size: 0.8rem;
  color: var(--tf-text-faint);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--tf-font-body);
}

.product-desc {
  font-size: 14px;
  color: var(--tf-text-muted);
  margin-bottom: 1rem;
  flex: 1;
  line-height: 1.75;
}

.product-price {
  font-size: 1.7rem;
  color: var(--tf-accent);
  font-weight: 400;
  font-family: var(--tf-font-heading);
  margin-bottom: 1rem;
  font-feature-settings: 'tnum' 1;
}

.product-stock {
  font-size: 0.78rem;
  color: var(--tf-text-faint);
  margin-bottom: 1rem;
  font-family: var(--tf-font-body);
  letter-spacing: 0.04em;
}

.product-stock.low { color: var(--tf-error); }

.btn-add-cart {
  background: var(--tf-accent);
  color: var(--tf-bg);
  border: 1px solid var(--tf-accent);
  padding: 14px 24px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--tf-font-body);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .3s, border-color .3s, transform .15s;
  text-align: center;
  width: 100%;
}

.btn-add-cart:hover {
  background: var(--tf-accent-hover);
  border-color: var(--tf-accent-hover);
}

.btn-add-cart:active {
  transform: scale(0.97);
}

.btn-add-cart.added {
  background: var(--tf-success);
  border-color: var(--tf-success);
  color: var(--tf-text);
  pointer-events: none;
}

/* ── Cart Page ─────────────────────────────────────────── */
.cart-section {
  padding: clamp(100px, 12vh, 140px) 0 clamp(60px, 8vw, 100px);
  flex: 1;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
}

.cart-table th {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--tf-border-accent);
  color: var(--tf-accent);
  font-family: var(--tf-font-body);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.cart-table td {
  padding: 18px;
  border-bottom: 1px solid var(--tf-border);
  vertical-align: middle;
  font-size: 14px;
}

.cart-item-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-item-img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border: 1px solid var(--tf-border);
}

.cart-item-name {
  font-weight: 500;
  color: var(--tf-text);
  font-size: 15px;
}

.cart-item-format {
  font-size: 0.78rem;
  color: var(--tf-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* Quantity controls */
.qty-control {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--tf-border);
  overflow: hidden;
}

.qty-btn {
  background: var(--tf-bg-card);
  color: var(--tf-text);
  border: none;
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--tf-font-body);
}

.qty-btn:hover { background: var(--tf-bg-elevated); }

.qty-value {
  width: 48px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--tf-text);
  background: transparent;
  border: none;
  border-left: 1px solid var(--tf-border);
  border-right: 1px solid var(--tf-border);
  height: 38px;
  font-family: var(--tf-font-body);
  font-feature-settings: 'tnum' 1;
}

.btn-remove {
  background: transparent;
  border: 1px solid rgba(199,107,107,0.35);
  color: var(--tf-error);
  padding: 8px 14px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: var(--tf-font-body);
  transition: all .25s;
}

.btn-remove:hover {
  background: rgba(199,107,107,0.15);
  border-color: var(--tf-error);
  color: var(--tf-text);
}

/* Cart summary */
.cart-summary {
  background: var(--tf-bg-card);
  border: 1px solid var(--tf-border-accent);
  padding: clamp(24px, 3vw, 36px);
  max-width: 420px;
  margin-left: auto;
}

.cart-summary .total-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--tf-text-muted);
  margin-bottom: 8px;
  font-family: var(--tf-font-body);
}

.cart-summary .total-price {
  font-size: clamp(28px, 3vw, 38px);
  color: var(--tf-accent);
  font-family: var(--tf-font-heading);
  font-weight: 400;
  margin-bottom: 24px;
  font-feature-settings: 'tnum' 1;
}

.btn-checkout {
  display: block;
  width: 100%;
  background: var(--tf-accent);
  color: var(--tf-bg);
  border: 1px solid var(--tf-accent);
  padding: 16px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--tf-font-body);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .3s, border-color .3s;
  text-align: center;
  margin-bottom: 16px;
}

.btn-checkout:hover {
  background: var(--tf-accent-hover);
  border-color: var(--tf-accent-hover);
}

.btn-checkout:disabled {
  background: #2a2928;
  border-color: var(--tf-border);
  color: var(--tf-text-faint);
  cursor: not-allowed;
}

.btn-continue {
  display: block;
  text-align: center;
  color: var(--tf-text-muted);
  font-size: 13px;
  transition: color .3s;
  letter-spacing: 0.04em;
}

.btn-continue:hover { color: var(--tf-accent); }

/* Cart empty */
.cart-empty {
  text-align: center;
  padding: clamp(60px, 10vh, 120px) 0;
}

.cart-empty .empty-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  opacity: 0.25;
}

.cart-empty h2 {
  font-size: clamp(24px, 3vw, 36px);
  margin-bottom: 12px;
  font-weight: 400;
}

.cart-empty p {
  color: var(--tf-text-muted);
  margin-bottom: 2rem;
  font-size: 15px;
}

.btn-shop {
  display: inline-block;
  background: var(--tf-accent);
  color: var(--tf-bg);
  padding: 15px 30px;
  font-weight: 600;
  font-family: var(--tf-font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background .3s;
}

.btn-shop:hover { background: var(--tf-accent-hover); color: var(--tf-bg); }

/* ── Checkout Result Pages ─────────────────────────────── */
.checkout-result {
  text-align: center;
  padding: clamp(120px, 18vh, 200px) 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.checkout-result .result-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: clamp(24px, 3vw, 36px);
  font-size: 2.2rem;
}

.checkout-result .result-icon.success {
  border: 2px solid var(--tf-success);
  color: var(--tf-success);
}

.checkout-result .result-icon.error {
  border: 2px solid var(--tf-error);
  color: var(--tf-error);
}

.checkout-result h1 {
  font-size: clamp(28px, 4vw, 52px);
  margin-bottom: 16px;
  letter-spacing: -0.005em;
}

.checkout-result p {
  color: var(--tf-text-muted);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: clamp(28px, 4vw, 40px);
  max-width: 48ch;
}

/* ── Footer ────────────────────────────────────────────── */
.shop-footer {
  background: #0a0908;
  border-top: 1px solid var(--tf-border-accent);
  padding: clamp(28px, 4vw, 48px) 0;
  text-align: center;
  margin-top: auto;
}

.shop-footer p {
  font-size: 11px;
  color: var(--tf-text-faint);
  letter-spacing: 0.06em;
}

.shop-footer a { color: var(--tf-accent); }

/* ── Toast notification ────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--tf-bg-card);
  border: 1px solid var(--tf-border-accent);
  color: var(--tf-text);
  padding: 14px 22px;
  font-size: 13px;
  letter-spacing: 0.04em;
  box-shadow: 0 12px 36px rgba(0,0,0,.6);
  transform: translateY(120%);
  opacity: 0;
  transition: all .4s ease;
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ── Cart Summary Rows ─────────────────────────────────── */
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 14px;
  color: var(--tf-text-muted);
}

.summary-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--tf-font-body);
}

.shipping-free {
  color: var(--tf-success);
  font-weight: 600;
}

.summary-divider {
  border-top: 1px solid var(--tf-border-accent);
  margin: 14px 0;
}

/* ── Shipping Banner ───────────────────────────────────── */
.shipping-banner {
  background: var(--tf-bg-elevated);
  border: 1px solid var(--tf-border-accent);
  border-radius: 4px;
  padding: 12px 16px;
  margin: 12px 0 4px;
  font-size: 13px;
  color: var(--tf-accent);
  text-align: center;
  line-height: 1.5;
}

/* ── Cart Hint Banner (top center, first-time) ─────────── */
.cart-hint {
  position: fixed;
  top: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(-120%);
  background: var(--tf-bg-card);
  border: 1px solid var(--tf-border-accent);
  color: var(--tf-text);
  padding: 14px 28px;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-align: center;
  box-shadow: 0 12px 40px rgba(0,0,0,.6);
  z-index: 10000;
  opacity: 0;
  transition: all .5s ease;
  max-width: 90vw;
}

.cart-hint.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.cart-hint a {
  color: var(--tf-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 992px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .product-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-header {
    padding-top: 110px;
  }

  .page-header h1 {
    font-size: clamp(28px, 8vw, 42px);
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 10px;
    letter-spacing: 0.15em;
  }

  .shop-nav .nav-brand img {
    height: 32px;
  }

  .shop-nav .nav-brand-name {
    font-size: 15px;
  }

  .shop-nav .nav-brand-sub {
    display: none;
  }

  /* Cart table → stacked on mobile */
  .cart-table thead { display: none; }

  .cart-table tr {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 18px 0;
    border-bottom: 1px solid var(--tf-border);
    gap: 12px;
  }

  .cart-table td {
    border: none;
    padding: 0;
  }

  .cart-table td:first-child {
    width: 100%;
  }

  .cart-summary {
    max-width: 100%;
  }

  .product-card .product-img {
    height: 240px;
  }
}

/* ── Spinner (checkout loading) ────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(13,12,11,.3);
  border-top-color: var(--tf-bg);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}