/* =========================================================
   ByGreco · pagina d'acquisto e pagamento
   (usa colori, font e pulsanti di style.css)
   ========================================================= */
.shop-nav { position: sticky; }
.shop-nav__back { font-size: 13px; color: var(--gray-1); transition: color .3s; }
.shop-nav__back:hover { color: var(--white); }
.shop-nav__back i { font-style: normal; margin-right: 4px; }

/* ingresso morbido della pagina */
.buy__head, .carousel, .buy__panel, .pay__form, .summary { opacity: 0; transform: translateY(24px); transition: opacity 1.1s var(--ease), transform 1.3s var(--ease); }
.is-ready .buy__head, .is-ready .pay__form { opacity: 1; transform: none; }
.is-ready .carousel, .is-ready .summary { opacity: 1; transform: none; transition-delay: .12s; }
.is-ready .buy__panel { opacity: 1; transform: none; transition-delay: .24s; }

/* ---------- Acquista ---------- */
.buy { padding-top: clamp(40px, 8vh, 90px); }
.buy__head { text-align: center; padding: 0 var(--gutter); }
.buy__sub { margin: 14px 0 0; color: var(--gray-1); }

.carousel { position: relative; margin-top: clamp(16px, 4vh, 40px); }
.carousel__glow { position: absolute; left: 50%; top: 50%; width: min(760px, 110vw); height: 80%; transform: translate(-50%, -50%); background: radial-gradient(closest-side, rgba(214,150,86,.18), transparent); pointer-events: none; }
.carousel__track {
  position: relative; display: flex; overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch;
  padding: 3vh calc(50% - min(34vw, 230px, 26svh)) 4vh;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track:focus-visible { outline: none; }
.slide {
  flex: 0 0 min(68vw, 460px, 52svh); margin: 0; scroll-snap-align: center; cursor: pointer;
  transform: scale(calc(1 - var(--d, 1) * .28)) translateX(calc(var(--dir, 0) * var(--d, 1) * -12%));
  opacity: calc(1 - var(--d, 1) * .6);
  filter: brightness(calc(1 - var(--d, 1) * .45));
  will-change: transform;
}
.slide img { width: 100%; height: auto; filter: drop-shadow(0 40px 50px rgba(0,0,0,.7)); pointer-events: none; user-select: none; }
.carousel__arrow {
  position: absolute; top: 50%; z-index: 2; width: 48px; height: 48px; margin-top: -24px;
  border: 0; border-radius: 50%; background: rgba(255,255,255,.08); color: var(--white);
  font-size: 26px; line-height: 1; cursor: pointer; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: background-color .3s, opacity .4s var(--ease), transform .4s var(--ease);
}
.carousel__arrow:hover { background: rgba(255,255,255,.16); transform: scale(1.06); }
.carousel__arrow:disabled { opacity: 0; pointer-events: none; }
.carousel__arrow--prev { left: max(var(--gutter), calc(50% - 520px)); }
.carousel__arrow--next { right: max(var(--gutter), calc(50% - 520px)); }

.buy__panel { max-width: 980px; margin: 0 auto; padding: 0 var(--gutter) clamp(80px, 12vh, 140px); display: grid; grid-template-columns: 1fr auto; gap: 28px 40px; align-items: end; }
.buy__name { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: clamp(30px, 3.6vw, 42px); letter-spacing: -.01em; }
.buy__color { margin: 6px 0 18px; color: var(--gray-1); }
.buy__dots { display: flex; gap: 16px; }
.buy__dots button {
  width: 22px; height: 22px; padding: 0; border: 0; border-radius: 50%; cursor: pointer;
  background: var(--c); box-shadow: 0 0 0 1px rgba(255,255,255,.18);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.buy__dots button:hover { transform: scale(1.12); }
.buy__dots button[aria-checked="true"] { box-shadow: 0 0 0 2px var(--black), 0 0 0 3.5px rgba(255,255,255,.9); }
.buy__dots button:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.buy__price { margin: 22px 0 0; font-size: 28px; font-weight: 600; letter-spacing: -.02em; }
.buy__actions { display: flex; align-items: center; gap: 16px; }
.qty { display: flex; align-items: center; height: 50px; border-radius: 999px; box-shadow: inset 0 0 0 1px rgba(245,245,247,.25); }
.qty button { width: 44px; height: 100%; border: 0; background: none; color: var(--white); font-size: 20px; cursor: pointer; border-radius: 999px; transition: background-color .3s; }
.qty button:hover { background: rgba(255,255,255,.08); }
.qty output { min-width: 18px; text-align: center; font-variant-numeric: tabular-nums; }
.buy__cta { padding: 0 34px; }
.buy__facts { grid-column: 1 / -1; list-style: none; margin: 24px 0 0; padding: 28px 0 0; border-top: 1px solid var(--gray-3); display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; color: var(--gray-1); font-size: 15px; }
.buy__facts strong { display: block; margin-bottom: 4px; color: var(--white); font-weight: 600; }

/* ---------- Pagamento ---------- */
.pay { max-width: 1080px; margin: 0 auto; padding: clamp(40px, 8vh, 90px) var(--gutter) clamp(80px, 12vh, 140px); display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.pay__title { margin-bottom: 12px; }
.pay__form fieldset { min-width: 0; margin: 28px 0 0; padding: 0; border: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.pay__form legend { padding: 0; margin-bottom: 12px; font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.field { min-width: 0; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--gray-1); }
.field--full { grid-column: 1 / -1; }
.field input {
  width: 100%; min-width: 0; height: 50px; padding: 0 16px; border: 0; border-radius: 14px; background: var(--gray-4); color: var(--white);
  font: inherit; font-size: 16px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); transition: box-shadow .3s var(--ease);
}
.field input:focus { outline: none; box-shadow: inset 0 0 0 1.5px var(--accent); }
.field input[readonly] { color: var(--gray-1); }
.field.is-invalid input { box-shadow: inset 0 0 0 1.5px #d4574c; }
.methods { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.method { position: relative; cursor: pointer; }
.method input { position: absolute; opacity: 0; }
.method span { display: flex; align-items: center; justify-content: center; height: 54px; border-radius: 14px; background: var(--gray-4); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); font-size: 15px; font-weight: 500; transition: box-shadow .3s var(--ease), background-color .3s; }
.method input:checked + span { background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1.5px var(--white); }
.method input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }
.pay__note { grid-column: 1 / -1; margin: 4px 0 0; font-size: 13px; color: var(--gray-2); }
.pay__submit { width: 100%; margin-top: 32px; height: 56px; font-size: 17px; }
.pay__error { min-height: 1.5em; margin: 12px 0 0; font-size: 14px; color: #e0756b; }

.summary { position: sticky; top: calc(var(--nav-h) + 24px); padding: 28px; border-radius: 28px; background: var(--gray-4); }
.summary__bag { position: relative; display: flex; justify-content: center; padding: 10px 0 24px; background: radial-gradient(closest-side, rgba(214,150,86,.16), transparent); }
.summary__bag img { width: min(220px, 60%); filter: drop-shadow(0 26px 30px rgba(0,0,0,.6)); }
.summary__row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--gray-3); color: var(--gray-1); font-size: 15px; }
.summary__row--title { color: var(--white); }
.summary__row--title strong { display: block; font-weight: 600; }
.summary__row--title div span { font-size: 14px; color: var(--gray-1); }
.summary__row--total { color: var(--white); font-size: 18px; font-weight: 600; }
.summary__note { margin: 10px 0 0; font-size: 13px; color: var(--gray-2); }

.thanks { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: var(--gutter); background: rgba(0,0,0,.82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); opacity: 0; transition: opacity .8s var(--ease); }
.thanks[hidden] { display: none; }
.thanks.is-on { opacity: 1; }
.thanks__inner { text-align: center; transform: translateY(20px); transition: transform 1s var(--ease); }
.thanks.is-on .thanks__inner { transform: none; }
.thanks__inner p:not(.eyebrow) { margin: 16px 0 28px; color: var(--gray-1); }

@media (max-width: 800px) {
  .buy__panel { grid-template-columns: 1fr; }
  .buy__actions { width: 100%; }
  .buy__cta { flex: 1; padding: 0 20px; }
  .buy__facts { grid-template-columns: 1fr; gap: 16px; }
  .carousel__arrow { display: none; }
  .carousel__track { padding-left: 16vw; padding-right: 16vw; }
  .pay { grid-template-columns: minmax(0, 1fr); }
  .summary { position: relative; top: 0; order: -1; padding: 20px; }
  .summary__bag { padding: 0 0 12px; }
  .summary__bag img { width: 130px; }
}
@media (prefers-reduced-motion: reduce) {
  .buy__head, .carousel, .buy__panel, .pay__form, .summary { opacity: 1; transform: none; }
}

/* ---------- Accesso e account ---------- */
button.shop-nav__back { background: none; border: 0; padding: 0; font: inherit; font-size: 13px; cursor: pointer; }
.auth { min-height: calc(100svh - var(--nav-h)); max-width: 1080px; margin: 0 auto; padding: clamp(32px, 6vh, 72px) var(--gutter); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); gap: clamp(32px, 6vw, 96px); align-items: center; }
.auth__bag { display: flex; justify-content: center; background: radial-gradient(closest-side, rgba(214,150,86,.16), transparent); }
.auth__bag img { width: min(380px, 80%); filter: drop-shadow(0 40px 50px rgba(0,0,0,.7)); animation: auth-float 7s ease-in-out infinite; }
@keyframes auth-float { 50% { transform: translateY(-10px) rotate(-1deg); } }
.auth__card { padding: clamp(24px, 4vw, 40px); border-radius: 28px; background: var(--gray-4); }
.auth__tabs { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; margin-bottom: 28px; border-radius: 999px; background: #000; }
.auth__tabs button { height: 40px; border: 0; border-radius: 999px; background: none; color: var(--gray-1); font: inherit; font-size: 15px; font-weight: 500; cursor: pointer; transition: background-color .4s var(--ease), color .4s var(--ease); }
.auth__tabs button[aria-selected="true"] { background: var(--gray-3); color: var(--white); }
.auth__form { display: grid; gap: 14px; }
.auth__form[hidden] { display: none; }
.auth__title { margin: 0 0 6px; font-size: 26px; font-weight: 600; letter-spacing: -.02em; }
.auth__text { margin: -4px 0 4px; color: var(--gray-1); font-size: 15px; }
.auth__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field em { font-style: normal; color: var(--gray-2); }
.auth__form .field input { background: #000; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--gray-1); cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--accent); flex: none; }
.check.is-invalid span { color: #e0756b; }
.auth__link { justify-self: start; padding: 0; border: 0; background: none; color: var(--gray-1); font: inherit; font-size: 14px; cursor: pointer; transition: color .3s; }
.auth__link:hover { color: var(--white); }
.auth__submit { width: 100%; margin-top: 8px; }
.auth__msg { min-height: 1.4em; margin: 0; font-size: 14px; color: #e0756b; }
.auth__msg.is-ok { color: var(--accent); }
.auth__note { margin: 20px 0 0; font-size: 12px; color: var(--gray-2); text-align: center; }

.acct { max-width: 980px; margin: 0 auto; padding: clamp(40px, 8vh, 90px) var(--gutter) clamp(80px, 12vh, 140px); }
.acct__head { margin-bottom: clamp(32px, 6vh, 56px); }
.acct__block { padding: 28px; border-radius: 28px; background: var(--gray-4); margin-bottom: 16px; }
.acct__block h2 { margin: 0 0 18px; font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.acct__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.acct__grid .acct__block { margin: 0; }
.orders { list-style: none; margin: 0; padding: 0; }
.order { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto auto; gap: 18px; align-items: center; padding: 14px 0; border-top: 1px solid var(--gray-3); }
.order:first-child { border-top: 0; padding-top: 0; }
.order img { width: 56px; height: auto; }
.order strong { display: block; font-weight: 600; }
.order div span { font-size: 14px; color: var(--gray-1); }
.order__total { font-variant-numeric: tabular-nums; }
.order__status { padding: 4px 12px; border-radius: 999px; font-size: 13px; background: rgba(216,180,110,.14); color: var(--accent); }
.acct__data { display: grid; grid-template-columns: auto 1fr; gap: 8px 20px; margin: 0; }
.acct__data dt { color: var(--gray-2); }
.acct__data dd { margin: 0; overflow-wrap: anywhere; }
.acct__addr { font-style: normal; line-height: 1.7; }
.acct__empty a { color: var(--accent); }

@media (max-width: 800px) {
  .auth { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .auth__bag img { width: 150px; }
  .acct__grid { grid-template-columns: minmax(0, 1fr); }
  .order { grid-template-columns: 44px minmax(0, 1fr) auto; }
  .order img { width: 44px; }
  .order__status { grid-column: 2 / -1; justify-self: start; }
}
@media (prefers-reduced-motion: reduce) { .auth__bag img { animation: none; } }
.shop-nav__links { display: flex; gap: 24px; }