/* ============================================================
   SAMMA CHARLES — PRINTS  ·  store.css
   Headless Shopify storefront. Vanilla CSS, no dependencies.
   Brand tokens mirrored from sammacharles.com
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Jost:wght@200;300;400&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:     #080808;
  --off-black: #0f0f0f;
  --mid:       #1a1a1a;
  --dim:       #383838;
  --muted:     #7a7a7a;
  --light:     #d4d4d0;
  --white:     #ededea;
  --accent:    #d4d4d0;

  --font-sans:    'Jost', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-display: 'Cormorant Garamond', Georgia, serif;

  --nav-height: 56px;
  --section-gap: 120px;
}

html {
  font-size: 16px;
  background: var(--black);
  color: var(--light);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  background: var(--black);
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; }

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: linear-gradient(to bottom, rgba(8,8,8,0.92) 0%, rgba(8,8,8,0.75) 60%, transparent 100%);
}

.nav__name {
  font-size: 13px; font-weight: 400;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--white);
}

.nav__links { display: flex; align-items: center; gap: 28px; list-style: none; }

.nav__links a {
  font-size: 11px; font-weight: 400;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--light); opacity: 0.8;
  transition: opacity 0.2s;
}
.nav__links a:hover { opacity: 1; }

.nav__cart {
  position: relative;
  background: none; border: none;
  color: var(--light); opacity: 0.85;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  transition: opacity 0.2s;
}
.nav__cart:hover { opacity: 1; }
.nav__cart-count {
  display: inline-block;
  min-width: 16px;
  margin-left: 2px;
  color: var(--white);
}

/* ── Page shell ───────────────────────────────────────────── */
.page { padding-top: var(--nav-height); }

.shop-head {
  text-align: center;
  padding: clamp(70px, 12vh, 130px) 24px clamp(40px, 6vh, 70px);
}
.shop-head__eyebrow {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 22px;
}
.shop-head__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.1;
}
.shop-head__sub {
  max-width: 460px;
  margin: 26px auto 0;
  font-size: 13px; line-height: 1.9; letter-spacing: 0.04em;
  color: var(--muted);
}

/* ── Product grid ─────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 4px;
  padding: 0 4px clamp(80px, 14vh, 140px);
  max-width: 1500px;
  margin: 0 auto;
}

.card { display: block; background: var(--off-black); position: relative; overflow: hidden; }
.card__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--off-black);
}
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(6%);
  transition: opacity 0.5s ease, transform 0.9s ease;
}
.card:hover .card__media img { opacity: 0.9; transform: scale(1.03); }
.card__body { padding: 18px 20px 26px; text-align: center; }
.card__title {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 400;
  letter-spacing: 0.05em; color: var(--white);
  margin-bottom: 8px;
}
.card__price {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted);
}
.card__soldout {
  position: absolute; top: 14px; right: 14px;
  font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--light);
  border: 1px solid var(--dim);
  padding: 5px 10px;
  background: rgba(8,8,8,0.6);
}

/* ── Product detail ───────────────────────────────────────── */
.pdp {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(28px, 5vw, 80px);
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(30px, 6vh, 70px) 32px clamp(80px, 14vh, 140px);
}
@media (max-width: 860px) { .pdp { grid-template-columns: 1fr; } }

.pdp__gallery { display: flex; flex-direction: column; gap: 4px; }
.pdp__main-img {
  background: var(--off-black);
  aspect-ratio: 4 / 5; overflow: hidden;
}
.pdp__main-img img { width: 100%; height: 100%; object-fit: cover; }
.pdp__thumbs { display: flex; gap: 4px; flex-wrap: wrap; }
.pdp__thumb {
  width: 70px; height: 88px; overflow: hidden;
  background: var(--off-black); opacity: 0.6;
  border: 1px solid transparent; transition: opacity 0.2s, border-color 0.2s;
}
.pdp__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pdp__thumb.is-active, .pdp__thumb:hover { opacity: 1; border-color: var(--dim); }

.pdp__info { padding-top: 10px; position: sticky; top: calc(var(--nav-height) + 24px); align-self: start; }
.pdp__back {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 30px;
  transition: color 0.2s;
}
.pdp__back:hover { color: var(--light); }
.pdp__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.05em; color: var(--white);
  line-height: 1.15; margin-bottom: 16px;
}
.pdp__price {
  font-size: 13px; letter-spacing: 0.14em;
  color: var(--light); margin-bottom: 34px;
}
.pdp__stock {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted);
  margin: -18px 0 30px;
  display: flex; align-items: center; gap: 8px;
}
.pdp__stock::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--muted); display: inline-block;
}
.pdp__stock.is-low { color: var(--white); }
.pdp__stock.is-low::before { background: var(--white); }
.pdp__assurance {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin: 16px 0 0; line-height: 1.6;
}
.pdp__desc {
  font-size: 13.5px; line-height: 1.95; letter-spacing: 0.02em;
  color: var(--muted); margin-bottom: 36px;
}
.pdp__desc p { margin-bottom: 14px; }
.pdp__desc strong {
  display: inline-block;
  color: var(--light); font-weight: 400;
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: 2px;
}
.pdp__desc ul { list-style: none; margin: 0 0 16px; }
.pdp__desc li { position: relative; padding-left: 18px; margin-bottom: 7px; }
.pdp__desc li::before { content: "—"; position: absolute; left: 0; color: var(--dim); }
.pdp__desc a { color: var(--light); text-decoration: underline; text-underline-offset: 3px; }

/* variant options */
.opt { margin-bottom: 26px; }
.opt__label {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 12px;
}
.opt__values { display: flex; flex-wrap: wrap; gap: 8px; }
.opt__val {
  background: transparent;
  border: 1px solid var(--dim);
  color: var(--light);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 10px 18px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.opt__val:hover { border-color: var(--muted); color: var(--white); }
.opt__val.is-selected { border-color: var(--white); color: var(--white); background: var(--mid); }
.opt__val.is-unavailable { opacity: 0.35; text-decoration: line-through; }

/* flat variant list (e.g. Framed vs Print only at set sizes) */
.variant-list { display: flex; flex-direction: column; gap: 8px; }
.variant-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  width: 100%; text-align: left;
  background: transparent;
  border: 1px solid var(--dim);
  color: var(--light);
  padding: 15px 18px;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.variant-row:hover { border-color: var(--muted); color: var(--white); }
.variant-row.is-selected { border-color: var(--white); background: var(--mid); color: var(--white); }
.variant-row.is-unavailable { opacity: 0.4; cursor: not-allowed; }
.variant-row__main { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
.variant-row__meta { font-size: 11px; letter-spacing: 0.06em; color: var(--muted); white-space: nowrap; }
.variant-row.is-selected .variant-row__meta { color: var(--light); }

/* primary button (shared) */
.btn {
  display: inline-block; width: 100%;
  background: transparent;
  border: 1px solid var(--light);
  color: var(--white);
  font-size: 11px; font-weight: 400;
  letter-spacing: 0.22em; text-transform: uppercase;
  padding: 17px 32px; text-align: center;
  transition: background 0.25s, color 0.25s, border-color 0.25s, opacity 0.2s;
}
.btn:hover { background: var(--white); color: var(--black); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { background: transparent; color: var(--white); }

/* ── Cart drawer ──────────────────────────────────────────── */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(4,4,4,0.6);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.drawer-overlay.is-open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed; top: 0; right: 0; z-index: 201;
  height: 100%; width: min(420px, 90vw);
  background: var(--off-black);
  border-left: 1px solid var(--mid);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
}
.drawer.is-open { transform: translateX(0); }

.drawer__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 26px; border-bottom: 1px solid var(--mid);
}
.drawer__title {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--white);
}
.drawer__close {
  background: none; border: none; color: var(--muted);
  font-size: 20px; line-height: 1; transition: color 0.2s;
}
.drawer__close:hover { color: var(--white); }

.drawer__body { flex: 1; overflow-y: auto; padding: 8px 26px; }
.drawer__empty {
  text-align: center; color: var(--muted);
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 60px 0;
}

.line {
  display: grid; grid-template-columns: 64px 1fr auto;
  gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--mid);
}
.line__img { width: 64px; height: 80px; object-fit: cover; background: var(--mid); }
.line__title { font-family: var(--font-display); font-size: 1rem; color: var(--white); margin-bottom: 4px; }
.line__variant { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.line__qty { display: inline-flex; align-items: center; gap: 12px; border: 1px solid var(--dim); padding: 4px 10px; }
.line__qty button { background: none; border: none; color: var(--light); font-size: 14px; line-height: 1; }
.line__qty button:hover { color: var(--white); }
.line__qty span { font-size: 12px; min-width: 14px; text-align: center; }
.line__right { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; }
.line__price { font-size: 12px; letter-spacing: 0.08em; color: var(--light); }
.line__remove { background: none; border: none; color: var(--muted); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; transition: color 0.2s; }
.line__remove:hover { color: var(--white); }

.drawer__foot { padding: 24px 26px; border-top: 1px solid var(--mid); }
.drawer__subtotal {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.drawer__subtotal span:first-child { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.drawer__subtotal span:last-child { font-size: 15px; letter-spacing: 0.06em; color: var(--white); }
.drawer__note { font-size: 10px; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 20px; }

/* ── State / utility ──────────────────────────────────────── */
.state {
  text-align: center; padding: 120px 24px;
  color: var(--muted); font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.state a { color: var(--light); text-decoration: underline; text-underline-offset: 4px; }

.skeleton { background: linear-gradient(90deg, var(--off-black) 25%, var(--mid) 50%, var(--off-black) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  z-index: 300;
  background: var(--mid); border: 1px solid var(--dim);
  color: var(--white); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 14px 28px; opacity: 0; visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
}
.toast.is-show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ── Footer ───────────────────────────────────────────────── */
.foot {
  border-top: 1px solid var(--mid);
  padding: 40px 32px;
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
}
.foot__name { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.foot__links { display: flex; gap: 24px; }
.foot__links a { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); transition: color 0.2s; }
.foot__links a:hover { color: var(--light); }

@media (max-width: 600px) {
  .nav { padding: 0 18px; }
  .nav__links { gap: 18px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}