/* =====================================================================
   Chinoiserie Golf — Design System (Phase 1)
   Bảng màu & typography theo SKILL.md mục 9.
   Tự chứa, chạy offline. Có thể chuyển sang Tailwind build sau.
   ===================================================================== */

:root {
  /* Màu thương hiệu */
  --c-black:      #0E0E0E;
  --c-ink:        #171512;
  --c-offwhite:   #F5F3EF;
  --c-cream:      #EDE9E1;
  --c-grey:       #8A857C;   /* warm grey */
  --c-line:       #DED8CD;
  --c-green:      #1E3A2F;   /* dark green - điểm nhấn Á Đông/golf */
  --c-green-2:    #294C3D;
  --c-gold:       #B99B6B;   /* điểm nhấn kim loại nhẹ */

  --c-bg:         var(--c-offwhite);
  --c-fg:         var(--c-ink);

  /* Typography — theo VESSEL: Helvetica/Arial sans-serif (Arial hỗ trợ đủ tiếng Việt) */
  --font-display: "Helvetica Neue", Helvetica, Arial, "Segoe UI", "Noto Sans", sans-serif;
  --font-body:    "Helvetica Neue", Helvetica, Arial, "Segoe UI", "Noto Sans", "Microsoft YaHei", "PingFang SC", sans-serif;

  --maxw: 1440px;   /* bề rộng tối đa nội dung — mở rộng toàn site (trước 1280) */
  --gutter: clamp(20px, 5vw, 64px);
  --header-h: 66px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-fg);
  font-family: var(--font-body);
  font-size: 18px;      /* VESSEL body 18px */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
/* Khung RỘNG cho trang danh sách sản phẩm (golf/shop/collections/category...) — kiểu VESSEL */
.container--wide { max-width: 1680px; padding-inline: clamp(20px, 3vw, 48px); }
.grid.listing-grid { gap: 44px 24px; }

/* Typography helpers */
.display {
  font-family: var(--font-display);
  font-weight: 700;               /* VESSEL: tiêu đề đậm */
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.eyebrow {
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--c-grey); font-weight: 600;
}
h1,h2,h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border: 1px solid var(--c-ink);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600;
  background: var(--c-ink); color: var(--c-offwhite);
  transition: all .25s ease; cursor: pointer;
}
.btn:hover { background: transparent; color: var(--c-ink); }
.btn--ghost { background: transparent; color: var(--c-ink); }
.btn--ghost:hover { background: var(--c-ink); color: var(--c-offwhite); }
.btn--light { background: var(--c-offwhite); color: var(--c-ink); border-color: var(--c-offwhite); }
.btn--light:hover { background: transparent; color: var(--c-offwhite); }
.btn--pay { padding: 16px 28px; font-size: 14px; }
.btn--pay svg { flex: none; }

/* =========================== ANNOUNCE BAR =========================== */
.announce-bar { background: var(--c-ink); color: var(--c-offwhite); font-size: 12.5px; letter-spacing: .02em; }
.announce-bar__row { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.announce-bar a { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; opacity: .95; }
.announce-bar a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 600px) {
  .announce-bar__row { font-size: 11px; height: 34px; }
  .announce-bar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

/* =========================== HEADER =========================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg, rgba(245,243,239,0.9)); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
}
/* Màu chữ Header theo Admin (logo text, menu, icon) */
.site-header .nav-link, .site-header .logo,
.site-header .header-actions .icon, .site-header .lang-btn,
.site-header .nav-toggle { color: var(--header-fg, var(--c-ink)); }
/* Header + thanh thông báo trải hết chiều rộng -> logo sát trái, actions sát phải */
.site-header .container, .announce-bar .container { max-width: 100%; padding-inline: clamp(18px, 3vw, 44px); }
.site-header__row {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.logo { font-family: var(--font-display); font-size: 22px; letter-spacing: 0.02em; display: inline-flex; align-items: center; }
.logo b { font-weight: 400; }
/* Ảnh logo tải lên: header giữ màu gốc; footer nền tối -> đổi trắng cho dễ nhìn */
/* Logo ảnh: chuẩn cho logo NGANG. Giữ nguyên màu (không invert). */
.logo-img { height: 40px; width: auto; display: block; }
.logo-img--footer { height: 40px; }
@media (max-width: 900px) {
  .logo-img { height: 34px; }
  .logo-img--footer { height: 34px; }
}
.main-nav { display: flex; gap: 24px; align-items: center; }
.nav-item { position: static; }
.nav-link {
  display: inline-flex; align-items: center; gap: 4px; padding: 8px 0;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600;
  color: var(--c-ink); opacity: .82; transition: opacity .2s; white-space: nowrap; cursor: pointer;
}
.nav-item:hover .nav-link, .nav-link:hover { opacity: 1; }
.nav-caret { font-size: 11px; opacity: .55; transition: transform .25s; }
.has-mega:hover .nav-caret { transform: rotate(180deg); }

/* ===== MEGA DROPDOWN (kiểu VESSEL) ===== */
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-top: 1px solid var(--c-line);
  box-shadow: 0 28px 44px -26px rgba(0,0,0,.28);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  z-index: 60;
}
.has-mega:hover .mega, .has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: none; }
.mega__inner { display: flex; gap: 48px; padding-block: 42px; align-items: flex-start; }
.mega__cols { display: flex; gap: 56px; flex: 1; flex-wrap: wrap; }
.mega__col { min-width: 150px; }
.mega__heading { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; color: var(--c-ink); margin-bottom: 16px; }
.mega__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.mega__col a { font-size: 15px; color: var(--c-ink); opacity: .78; transition: opacity .2s, padding-left .2s; }
.mega__col a:hover { opacity: 1; padding-left: 4px; }
.mega__featured { display: flex; gap: 16px; }
.mega__card { position: relative; width: 230px; aspect-ratio: 4/5; overflow: hidden; display: flex; align-items: flex-end; background: var(--c-cream); }
.mega__card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.16,.68,.32,1); }
.mega__card:hover img { transform: scale(1.05); }
.mega__badge { position: absolute; top: 12px; left: 12px; z-index: 2; background: var(--c-ink); color: #fff; font-size: 11px; letter-spacing: .08em; padding: 4px 9px; }
.mega__card-label { position: relative; z-index: 2; width: 100%; padding: 20px 16px 14px; color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; background: linear-gradient(0deg, rgba(0,0,0,.65), transparent); }
@media (max-width: 1150px) { .mega__featured { display: none; } }

/* Menu con trong menu di động */
.mobile-nav .mobile-sub { padding-left: calc(var(--gutter) + 14px); font-size: 12.5px; text-transform: none; letter-spacing: 0; opacity: .72; }
.header-actions { display: flex; align-items: center; gap: 18px; font-size: 13px; }
.header-actions .icon { font-weight: 600; letter-spacing: .05em; }
/* Ô tìm kiếm ở header — kiểu tối giản, màu theo chữ (hợp cả nền sáng/tối) */
.header-search { display: flex; align-items: center; gap: 6px; }
.header-search__input {
  width: 120px; max-width: 34vw; padding: 4px 2px;
  border: 0; border-bottom: 1px solid currentColor;
  background: transparent; color: inherit; font: inherit; font-size: 13px;
}
.header-search__input::placeholder { color: currentColor; opacity: .55; }
.header-search__input:focus { outline: none; border-bottom-width: 2px; }
.header-search__btn { background: none; border: 0; padding: 0; cursor: pointer; color: inherit; }
@media (max-width: 640px) { .header-search__input { width: 92px; } }
.lang-switch { display: flex; gap: 8px; align-items: center; }
.lang-switch a { font-size: 11px; letter-spacing: .08em; opacity: .55; text-transform: uppercase; }
.lang-switch a.is-active { opacity: 1; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.cart-count {
  display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px;
  background: var(--c-green); color: #fff; border-radius: 999px; font-size: 11px; font-weight: 700;
}
.nav-toggle { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; }

/* =========================== HERO =========================== */
.hero {
  position: relative; min-height: 82vh; display: flex; align-items: flex-end;
  color: var(--c-offwhite);
  background:
    linear-gradient(180deg, rgba(14,14,14,.15), rgba(14,14,14,.72)),
    linear-gradient(120deg, var(--c-green) 0%, var(--c-ink) 70%);
  overflow: hidden;
}
.hero__inner { padding-block: clamp(40px, 8vh, 96px); max-width: 760px; }
.hero h1 { font-size: clamp(38px, 6.4vw, 82px); color: var(--c-offwhite); margin: 14px 0 18px; }
/* Hero trang chủ: cỡ chữ nhỏ hơn (căn trái giữ nguyên) */
.hero--home h1 { font-size: clamp(28px, 4.6vw, 58px); }
/* Ảnh hero hiển thị 100% (không phủ tối) -> thêm bóng chữ nhẹ để vẫn đọc được */
.hero--home h1, .hero--home p, .hero--home .eyebrow { text-shadow: 0 2px 14px rgba(0,0,0,.45); }
/* Màu chữ hero theo Admin (--hero-fg) */
.hero--home, .hero--home h1, .hero--home p { color: var(--hero-fg, var(--c-offwhite)); }
.hero p { font-size: clamp(15px, 1.6vw, 19px); opacity: .9; max-width: 46ch; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* =========================== SECTIONS =========================== */
.section { padding-block: clamp(56px, 9vw, 120px); }
.section--tight { padding-block: clamp(40px, 6vw, 72px); }
.section__head { max-width: 720px; margin-bottom: 42px; }
.section__head h2 { font-size: clamp(26px, 3.6vw, 46px); margin: 10px 0 14px; }
.section__head p { color: var(--c-grey); font-size: 17px; }
.section--dark { background: var(--c-ink); color: var(--c-offwhite); }
.section--dark .section__head p { color: #b9b4ab; }
.section--green { background: var(--c-green); color: var(--c-offwhite); }

/* Brand statement */
.statement { text-align: center; max-width: 900px; margin-inline: auto; }
.statement h2 { font-size: clamp(28px, 4.5vw, 58px); line-height: 1.08; }
.statement p { color: var(--c-grey); font-size: 18px; margin: 22px auto 26px; max-width: 60ch; }

/* Grid */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Collection card */
.coll-card { position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--c-cream); color: var(--c-offwhite); display: flex; align-items: flex-end; }
.coll-card::before { content:""; position:absolute; inset:0; background: linear-gradient(160deg, var(--c-green-2), var(--c-ink)); opacity:.92; }
/* Thẻ có ảnh nền: bỏ lớp phủ xanh để thấy ảnh (đã có lớp phủ tối inline cho chữ) */
.coll-card--img::before { display: none; }
.coll-card__body { position: relative; padding: 24px; }
.coll-card h3 { font-size: 24px; color: var(--c-offwhite); }
.coll-card p { font-size: 13.5px; opacity: .82; margin: 8px 0 14px; }
.coll-card .link { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; border-bottom: 1px solid; padding-bottom: 3px; }

/* Product card */
.product-card { background: #fff; border: 1px solid var(--c-line); transition: box-shadow .25s, transform .25s; }
.product-card:hover { box-shadow: 0 20px 40px -24px rgba(0,0,0,.35); transform: translateY(-3px); }
.product-card__media { aspect-ratio: 4/5; background: linear-gradient(160deg, var(--c-cream), #fff); display:grid; place-items:center; color: var(--c-grey); font-size:13px; }
.product-card__body { padding: 16px 16px 20px; }
.product-card h3 { font-family: var(--font-body); font-size: 17px; font-weight: 500; letter-spacing: 0; }
.product-card .muted { color: var(--c-grey); font-size: 13px; }
.product-card .price { font-weight: 700; margin-top: 8px; }
.stars { color: var(--c-gold); font-size: 13px; letter-spacing: 1px; }
.swatches { display:flex; gap:7px; margin-top:10px; }
.swatch { width:16px; height:16px; border-radius:999px; border:1px solid var(--c-line); cursor:pointer; transition: box-shadow .15s, transform .15s; }
.swatch:hover { transform: scale(1.12); }
.swatch.is-active { box-shadow: 0 0 0 2px #fff, 0 0 0 3px var(--c-ink); }

/* Feature list (technology) */
.feature { border-top: 1px solid rgba(255,255,255,.16); padding: 22px 0; }
.feature .num { font-family: var(--font-display); font-size: 13px; opacity:.6; }
.feature h3 { color: var(--c-offwhite); font-size: 20px; margin: 6px 0 6px; }
.feature p { color:#b9b4ab; font-size: 15px; max-width: 52ch; }

/* Process steps (factory) */
.steps { display:flex; flex-wrap:wrap; gap:12px; align-items:center; }
.step { padding:10px 16px; border:1px solid var(--c-line); font-size:12px; letter-spacing:.12em; text-transform:uppercase; }
.section--dark .step { border-color: rgba(255,255,255,.2); }
.step-arrow { opacity:.4; }
a.step { transition: background .2s, color .2s; }
a.step:hover { background: var(--c-ink); color: var(--c-offwhite); }
a.step.step--active { background: var(--c-green); color: #fff; border-color: var(--c-green); }

/* Stats */
.stats { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat b { display:block; font-family:var(--font-display); font-size: clamp(28px,4vw,44px); }
.stat span { color: var(--c-grey); font-size:12px; letter-spacing:.14em; text-transform:uppercase; }

/* Placeholder page */
.page-hero { background: var(--c-ink); color: var(--c-offwhite); padding-block: clamp(56px, 9vw, 110px); }
.page-hero h1 { color: var(--c-offwhite); font-size: clamp(30px,5vw,58px); }
.page-hero p { color:#b9b4ab; max-width: 60ch; margin-top: 14px; }
.breadcrumb { font-size:12px; letter-spacing:.1em; text-transform:uppercase; color: var(--c-grey); margin-bottom: 18px; }
.notice { border:1px dashed var(--c-line); padding: 22px; color: var(--c-grey); background:#fff; }

/* =========================== FOOTER =========================== */
/* Màu footer lấy từ Admin qua biến --footer-bg / --footer-fg (fallback = tối) */
.site-footer { background: var(--footer-bg, var(--c-ink)); color: var(--footer-fg, #cfcabf); padding-block: 64px 28px; }
/* Footer trải hết chiều rộng, sát 2 mép (giống header) */
.site-footer .container { max-width: 100%; padding-inline: clamp(18px, 3vw, 44px); }
.site-footer a { color: var(--footer-fg, #cfcabf); opacity:.82; }
.site-footer a:hover { opacity:1; }
/* Brand bên trái; các cột menu co giãn lấp đều chiều rộng, tự thích ứng số cột */
.footer-cols { display:flex; flex-wrap:wrap; justify-content:flex-start; align-items:flex-start; gap: 32px 28px; }
.footer-brand { flex: 0 0 auto; width: 280px; max-width: 100%; }
.footer-col:not(.footer-brand) { flex: 1 1 118px; min-width: 118px; max-width: 190px; }
.footer-col h4 { color: var(--footer-fg, var(--c-offwhite)); font-size:12px; letter-spacing:.16em; text-transform:uppercase; margin-bottom:16px; }
.footer-col ul { list-style:none; padding:0; margin:0; display:grid; gap:10px; font-size:14px; }
.footer-brand .logo { color: var(--footer-fg, var(--c-offwhite)); }
/* Cột FOLLOW US (heading như cột khác, icon xếp dưới) */
.footer-col--follow .footer-socials { margin-top: 2px; }
.footer-socials { display: inline-flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.social-ico { display: inline-flex; align-items: center; justify-content: center; color: var(--footer-fg, #cfcabf); opacity: .7; transition: opacity .2s, transform .2s; }
.social-ico:hover { opacity: 1; transform: translateY(-2px); }
.social-ico__img { width: 18px; height: 18px; object-fit: contain; display: block; }
.footer-bottom { border-top:1px solid; border-color: color-mix(in srgb, var(--footer-fg, #ffffff) 18%, transparent); margin-top:44px; padding-top:20px; font-size:12px; color: var(--footer-fg, var(--c-grey)); opacity:.85; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.footer-bottom--center { justify-content:center; text-align:center; }

/* =========================== RESPONSIVE =========================== */
@media (max-width: 1050px) {
  .main-nav { display:none; }
  .nav-toggle { display:block; }
}
@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2,1fr); }
  .footer-cols { justify-content: flex-start; gap: 32px 40px; }
  .footer-brand { flex-basis: 100%; max-width: none; }
  .footer-col:not(.footer-brand) { flex: 1 1 40%; }
  .stats { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* =========================== PHASE 2 — E-COMMERCE =========================== */
/* Ảnh sản phẩm lấp đầy khung media */
.product-card__media { position: relative; overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  background: var(--c-green); color: #fff; font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; padding: 4px 10px; font-weight: 700;
}

/* Flash messages */
.flash { padding: 12px 16px; border: 1px solid var(--c-line); background: #fff; margin-bottom: 10px; font-size: 14px; }
.flash--success { border-color: var(--c-green); }
.flash--error, .flash--danger { border-color: #c0392b; color: #c0392b; }

/* Filter bar */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.filter-bar select {
  padding: 11px 14px; border: 1px solid var(--c-line); background: #fff;
  font-size: 13px; letter-spacing: .04em; min-width: 180px; cursor: pointer;
}
.clear-filter { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--c-grey); }

/* Pagination */
.pagination { display: flex; gap: 20px; align-items: center; justify-content: center; margin-top: 40px; }
.pagination a { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; border-bottom: 1px solid; padding-bottom: 3px; }

/* Spec table */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-line); }
.spec-table tr { border-bottom: 1px solid var(--c-line); }
.spec-table td { padding: 12px 18px; }

/* Variant picker */
.variant-pick { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; }
.variant-pick small { font-size: 11px; color: var(--c-grey); }
.variant-pick .swatch { transition: transform .15s, box-shadow .15s; }
.variant-pick input:checked + .swatch { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--c-ink); transform: scale(1.05); }

/* Cart / Checkout layout */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.cart-row { display: grid; grid-template-columns: 90px 1fr auto; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--c-line); align-items: center; }
.cart-row__media { width: 90px; height: 90px; }
.cart-row__price { text-align: right; }
.qty-form { display: flex; gap: 10px; align-items: center; margin-top: 8px; }
.link-btn { background: none; border: 0; cursor: pointer; font-size: 13px; text-decoration: underline; padding: 0; color: inherit; }
.cart-summary { background: var(--c-cream); border: 1px solid var(--c-line); padding: 26px; position: sticky; top: 90px; }
.cart-summary h3 { margin-bottom: 16px; }
.summary-row { display: flex; justify-content: space-between; gap: 14px; padding: 8px 0; font-size: 14px; }
.summary-total { border-top: 1px solid var(--c-line); margin-top: 8px; padding-top: 14px; font-size: 18px; font-weight: 700; }

/* Forms */
.checkout-form .field { margin-bottom: 16px; }
.checkout-form label { display: block; margin-bottom: 6px; }
.form-input, .checkout-form input, .checkout-form textarea, .checkout-form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--c-line); background: #fff; font-family: inherit; font-size: 15px;
}
/* Trường bắt buộc + báo lỗi */
.req { color: #c0392b; font-weight: 700; }
.field-err { display: block; color: #c0392b; margin-top: 4px; font-size: 12.5px; }
.field--error input, .field--error select, .field--error textarea { border-color: #c0392b; }
/* Địa chỉ giao hàng chuẩn quốc tế: hàng nhiều cột */
.checkout-heading { font-family: var(--font-display); font-weight: 400; font-size: 20px; margin: 24px 0 12px; }
.field-row { display: grid; gap: 14px; margin-bottom: 16px; }
.field-row--2 { grid-template-columns: 1fr 1fr; }
.field-row--3 { grid-template-columns: 1.2fr 1fr 1fr; }
.field-row .field { margin-bottom: 0; }
@media (max-width: 560px) { .field-row--2, .field-row--3 { grid-template-columns: 1fr; } }

/* Trang Rewards */
.reward-step { text-align: center; padding: 10px; }
.reward-num { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 999px; background: var(--c-green); color: #fff;
  display: grid; place-items: center; font-family: var(--font-display); font-size: 22px; }
.reward-step h3 { font-size: 20px; margin-bottom: 8px; }
.reward-step p { color: var(--c-grey); }
.reward-card { background: #fff; border: 1px solid var(--c-line); padding: 24px; text-align: center; }
.reward-ico { font-size: 30px; margin-bottom: 10px; }
.reward-card h3 { font-size: 17px; font-family: var(--font-body); font-weight: 700; }
.reward-pts { color: var(--c-gold); font-weight: 700; letter-spacing: .04em; font-size: 14px; margin-top: 6px; }
.section--dark .reward-card { background: transparent; border-color: rgba(255,255,255,.2); }
/* Hạng thành viên */
.tier-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.16); padding: 28px; }
.tier-card--mid { border-color: rgba(185,155,107,.5); }
.tier-card--top { border-color: var(--c-gold); background: rgba(185,155,107,.08); }
.tier-name { font-family: var(--font-display); font-size: 26px; color: var(--c-offwhite); }
.tier-req { color: var(--c-gold); font-size: 13px; letter-spacing: .06em; margin: 4px 0 16px; }
.tier-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.tier-card li { color: #cfcabf; font-size: 14.5px; padding-left: 20px; position: relative; }
.tier-card li::before { content: "✓"; position: absolute; left: 0; color: var(--c-gold); }

/* Trang hỗ trợ (Shipping/Returns/Warranty/FAQ) */
.support-body { font-size: 16px; line-height: 1.75; }
.support-body h3 { font-family: var(--font-display); font-size: 22px; margin: 30px 0 10px; }
.support-body h3:first-child { margin-top: 0; }
.support-body p { margin: 0 0 14px; color: var(--c-ink); }
.support-body ul { margin: 0 0 16px; padding-left: 20px; }
.support-body li { margin-bottom: 8px; }
.support-body strong { font-weight: 700; }
.support-body .faq-q { font-weight: 700; margin-top: 20px; }
.support-body a { border-bottom: 1px solid var(--c-line); }

/* Trang Contact */
.contact-info { display: grid; gap: 18px; }
.contact-item a { border-bottom: 1px solid var(--c-line); padding-bottom: 2px; }
.contact-item .eyebrow { margin-bottom: 4px; }

/* Phương thức thanh toán */
.pay-methods { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; align-items: center; }
.pay-badge {
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  height: 32px; min-width: 46px; padding: 0 10px; border: 1px solid var(--c-line);
  background: #fff; border-radius: 6px; box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.pay-badge .pm-svg { display: block; }
/* Visa */
.pm-visa { font: italic 900 15px/1 Arial, sans-serif; color: #1A1F71; letter-spacing: .5px; }
/* Amex */
.pm-amex-badge { background: #1F72CF; border-color: #1F72CF; }
.pm-amex { font: 800 11px/1 Arial, sans-serif; color: #fff; letter-spacing: .6px; }
/* PayPal */
.pm-paypal { font: 800 14px/1 Arial, sans-serif; letter-spacing: -.2px; }
.pm-paypal b { color: #003087; font-weight: 800; }
.pm-paypal i { color: #009CDE; font-weight: 800; font-style: normal; }
/* Google Pay */
.pm-gpay { font: 500 13px/1 Arial, sans-serif; color: #5F6368; }
/* Apple Pay */
.pm-apple-badge { background: #000; border-color: #000; }
.pm-applepay { font: 600 13px/1 -apple-system, Arial, sans-serif; color: #fff; }
/* Alipay */
.pm-alipay-badge { background: #1677FF; border-color: #1677FF; }
.pm-alipay { font: 700 12px/1 Arial, sans-serif; color: #fff; letter-spacing: .2px; }
.pay-status { display:inline-flex; align-items:center; gap:6px; padding:6px 12px; border-radius:999px; font-size:12px; font-weight:700; letter-spacing:.05em; }
.pay-status--paid { background: #e6f4ec; color: #1E3A2F; border:1px solid #b7dcc6; }
.pay-status--pending { background: #fdf3e6; color: #8a5a00; border:1px solid #e6d3ab; }

@media (max-width: 900px) {
  .cart-layout { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
}

/* Mobile nav panel */
.mobile-nav { display:none; border-bottom:1px solid var(--c-line); background: var(--c-offwhite); }
.mobile-nav.open { display:block; }
.mobile-nav a { display:block; padding:12px var(--gutter); border-top:1px solid var(--c-line); font-size:13px; letter-spacing:.1em; text-transform:uppercase; }

/* ============================================================
   PREMIUM MOTION — hiệu ứng cao cấp (vanilla, nhẹ)
   Chỉ chạy khi có JS (.has-js) và người dùng KHÔNG tắt chuyển động.
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  /* --- Scroll reveal: khối nội dung mờ + trượt lên, hiện khi cuộn tới --- */
  .has-js .section__head,
  .has-js .statement,
  .has-js .product-card,
  .has-js .coll-card,
  .has-js .feature,
  .has-js .reward-card,
  .has-js .reward-step,
  .has-js .tier-card,
  .has-js .steps,
  .has-js .spec-table,
  .has-js .support-body {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .8s cubic-bezier(.16,.68,.32,1), transform .8s cubic-bezier(.16,.68,.32,1);
  }
  .has-js .reveal-in { opacity: 1 !important; transform: none !important; }

  /* --- Hero: chữ hiện dần khi tải trang (stagger) --- */
  .has-js .hero__inner > * { opacity: 0; transform: translateY(26px); animation: heroIn 1s cubic-bezier(.16,.68,.32,1) forwards; }
  .has-js .hero__inner > *:nth-child(1) { animation-delay: .10s; }
  .has-js .hero__inner > *:nth-child(2) { animation-delay: .24s; }
  .has-js .hero__inner > *:nth-child(3) { animation-delay: .40s; }
  .has-js .hero__inner > *:nth-child(4) { animation-delay: .56s; }
  @keyframes heroIn { to { opacity: 1; transform: none; } }
}

/* Nút có magnetic (JS đặt transform); mượt khi rời chuột */
.btn { transition: background .25s ease, color .25s ease, border-color .25s ease, transform .35s cubic-bezier(.16,.68,.32,1); }
/* Ảnh sản phẩm: zoom nhẹ khi hover thẻ (micro-interaction) */
.product-card__media img, .coll-card img { transition: transform .6s cubic-bezier(.16,.68,.32,1); }
.product-card:hover .product-card__media img { transform: scale(1.05); }

/* =========================== PRODUCT DETAIL (PDP) — kiểu VESSEL =========================== */
/* Khung trang sản phẩm RỘNG (đồng bộ với trang danh sách kiểu VESSEL) */
.container.pdp { max-width: 1680px; padding-inline: clamp(20px, 3vw, 48px); }
.pdp { padding-top: 26px; padding-bottom: 8px; }
.pdp .breadcrumb { margin-bottom: 22px; }
.pdp .breadcrumb span { color: var(--c-ink); }
.pdp__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: start; }

/* Gallery */
.pdp-gallery { position: sticky; top: calc(var(--header-h) + 20px); }
.pdp-gallery__main { aspect-ratio: 1/1; background: var(--c-cream); border: 1px solid var(--c-line); overflow: hidden; }
.pdp-gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.pdp-gallery__thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-top: 12px; }
/* Cột thumbnail DỌC bên trái ảnh chính (kiểu VESSEL) */
.pdp-gallery__layout { display: flex; gap: 14px; align-items: flex-start; }
.pdp-gallery__rail { display: flex; flex-direction: column; gap: 10px; width: 78px; flex: none; }
.pdp-gallery__rail .pdp-thumb { width: 100%; aspect-ratio: 1; }
.pdp-gallery__layout .pdp-gallery__main { flex: 1; min-width: 0; }
/* Zoom trong ảnh (rê chuột phóng to + pan) — kiểu Alibaba */
.pdp-gallery__main { cursor: zoom-in; }
.pdp-gallery__main.product-card__media img { transition: transform .12s ease-out; will-change: transform; }
.pdp-gallery__main.is-zoom img { cursor: zoom-in; }
/* Dải thumbnail chuyển sang cột mua, ngay dưới giá (giống VESSEL) */
.pdp-buy__thumbs { margin: 6px 0 24px; }
.pdp-thumb { aspect-ratio: 1; padding: 0; border: 1px solid var(--c-line); background: var(--c-cream); cursor: pointer; overflow: hidden; transition: border-color .2s, opacity .2s; opacity: .7; }
.pdp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pdp-thumb:hover { opacity: 1; }
.pdp-thumb.is-active { border-color: var(--c-ink); opacity: 1; }

/* Cột mua hàng */
.pdp-buy { position: sticky; top: calc(var(--header-h) + 20px); }
.pdp-buy .eyebrow { display: block; margin-bottom: 8px; }
.pdp-buy__title { font-family: var(--font-display); font-weight: 400; letter-spacing: -.01em; font-size: clamp(28px, 3.4vw, 44px); line-height: 1.05; }
.pdp-buy__sub { color: var(--c-grey); font-size: 17px; margin-top: 8px; }
.pdp-buy__rating { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 14px; }
.pdp-buy__rating .stars { color: #C9A227; letter-spacing: 1px; }
.pdp-buy__price { font-size: 28px; font-weight: 700; margin: 14px 0 6px; }
.pdp-buy__sku { font-size: 12px; letter-spacing: .08em; color: var(--c-grey); text-transform: uppercase; margin-bottom: 4px; }
.pdp-buy__price.is-ask { font-size: 18px; font-weight: 500; color: var(--c-grey); }

.pdp-form { margin-top: 16px; }
.pdp-field { margin-bottom: 16px; }
.pdp-field__label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--c-ink); margin-bottom: 12px; }
.pdp-swatches { display: flex; gap: 12px; flex-wrap: wrap; }
.pdp-swatch { cursor: pointer; line-height: 0; }
.pdp-swatch input { position: absolute; opacity: 0; width: 0; height: 0; }
.pdp-swatch__dot { display: block; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--c-line); box-shadow: 0 0 0 2px #fff inset; transition: box-shadow .2s, transform .2s; }
.pdp-swatch:hover .pdp-swatch__dot { transform: scale(1.06); }
.pdp-swatch input:checked + .pdp-swatch__dot { box-shadow: 0 0 0 2px #fff inset, 0 0 0 2px var(--c-ink); }

/* Chọn màu bằng thumbnail ảnh (bấm để chọn mua màu đó) — kiểu VESSEL */
.pdp-vswatches { display: flex; flex-wrap: wrap; gap: 10px; }
.pdp-vswatch { position: relative; width: 62px; aspect-ratio: 1; cursor: pointer; border: 1px solid var(--c-line); background: var(--c-cream); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.pdp-vswatch img, .pdp-vswatch__color { width: 100%; height: 100%; object-fit: cover; display: block; }
.pdp-vswatch input { position: absolute; opacity: 0; width: 0; height: 0; }
.pdp-vswatch:hover { border-color: var(--c-grey); }
.pdp-vswatch.is-active { border-color: var(--c-ink); box-shadow: 0 0 0 1px var(--c-ink); }

/* Bộ chọn Size (pill bo tròn kiểu VESSEL) */
.pdp-sizes { display: flex; flex-wrap: wrap; gap: 10px; }
.pdp-size { cursor: pointer; line-height: 0; }
.pdp-size input { position: absolute; opacity: 0; width: 0; height: 0; }
.pdp-size span { display: inline-flex; align-items: center; justify-content: center; min-width: 84px;
  padding: 12px 22px; border: 1px solid var(--c-line); border-radius: 999px; font-size: 14px; line-height: 1;
  color: var(--c-ink); transition: border-color .2s, box-shadow .2s; }
.pdp-size:hover span { border-color: var(--c-grey); }
.pdp-size.is-active span { border-color: var(--c-ink); box-shadow: 0 0 0 1px var(--c-ink); font-weight: 600; }

.pdp-qtyrow { display: flex; align-items: center; gap: 16px; }
.pdp-qtyrow .pdp-field__label { margin-bottom: 0; }
.pdp-qty { width: 76px; padding: 11px; border: 1px solid var(--c-line); background: #fff; font-size: 15px; }

.pdp-actions { display: flex; gap: 12px; margin-top: 6px; }
.pdp-actions .btn { flex: 1; justify-content: center; padding: 16px 20px; }

/* Trust badges */
.pdp-trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 26px 0; padding: 18px 0; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.pdp-trust__item { display: inline-flex; align-items: center; gap: 9px; font-size: 12.5px; letter-spacing: .04em; color: var(--c-ink); }
.pdp-trust__item svg { color: var(--c-grey); flex: none; }

/* Accordions */
.pdp-acc { border-bottom: 1px solid var(--c-line); }
.pdp-acc summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 18px 0; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }
.pdp-acc summary::-webkit-details-marker { display: none; }
.pdp-acc summary::after { content: "+"; font-size: 20px; font-weight: 300; color: var(--c-grey); transition: transform .25s; }
.pdp-acc[open] summary::after { content: "−"; }
.pdp-acc__body { padding: 2px 0 22px; color: var(--c-ink); line-height: 1.85; font-size: 15px; }
.pdp-acc__body p { margin: 0 0 10px; }
.pdp-spec { width: 100%; border-collapse: collapse; }
.pdp-spec td { padding: 9px 0; border-bottom: 1px solid var(--c-line); font-size: 14px; vertical-align: top; }
.pdp-spec td:first-child { color: var(--c-grey); width: 42%; }

/* Điểm nổi bật — cuộn: chữ trái đi qua, ảnh phải DÍNH (sticky) đổi mượt */
.pdp-scroll { background: var(--c-cream); }
.pdp-scroll__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.pdp-scroll__text { display: flex; flex-direction: column; }
.pdp-scroll__step { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; }
.pdp-scroll__num { font-family: var(--font-display); font-size: 40px; color: var(--c-grey); margin-bottom: 14px; line-height: 1; }
.pdp-scroll__step p { font-size: clamp(18px, 1.9vw, 24px); line-height: 1.6; max-width: 42ch; color: var(--c-ink); margin: 0; }
.pdp-scroll__step-img { display: none; }               /* chỉ hiện trên mobile */

.pdp-scroll__media { position: sticky; top: calc(var(--header-h) + 40px); }
.pdp-scroll__imgwrap { position: relative; aspect-ratio: 4/5; background: var(--c-offwhite); overflow: hidden; }
.pdp-scroll__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transform: scale(1.06);
  transition: opacity .7s cubic-bezier(.16,.68,.32,1), transform 1.3s cubic-bezier(.16,.68,.32,1); }
.pdp-scroll__img.is-active { opacity: 1; transform: scale(1); }
@media (prefers-reduced-motion: reduce) {
  .pdp-scroll__img { transform: none; transition: opacity .25s; }
  .pdp-scroll__img.is-active { transform: none; }
}
.pdp-scroll__counter { position: absolute; left: 16px; bottom: 14px; z-index: 2; color: #fff;
  font-size: 13px; letter-spacing: .12em; text-shadow: 0 1px 8px rgba(0,0,0,.55); }
.pdp-scroll__counter b { font-weight: 700; }

@media (max-width: 900px) {
  .pdp__grid { grid-template-columns: 1fr; gap: 30px; }
  .pdp-gallery, .pdp-buy { position: static; }
  /* Mobile: ảnh chính lên trên, thumbnail thành hàng ngang cuộn */
  .pdp-gallery__layout { flex-direction: column; }
  .pdp-gallery__main { order: -1; }
  .pdp-gallery__rail { flex-direction: row; width: auto; overflow-x: auto; }
  .pdp-gallery__rail .pdp-thumb { width: 68px; flex: none; }
  /* Mobile: bỏ ảnh dính, mỗi đoạn hiện ảnh riêng ngay dưới chữ */
  .pdp-scroll__inner { grid-template-columns: 1fr; gap: 0; }
  .pdp-scroll__media { display: none; }
  .pdp-scroll__step { min-height: 0; padding: 26px 0; }
  .pdp-scroll__step-img { display: block; width: 100%; margin-top: 16px; aspect-ratio: 4/5; object-fit: cover; }
}
@media (max-width: 560px) {
  .pdp-gallery__thumbs { grid-template-columns: repeat(5, 1fr); }
  .pdp-actions { flex-direction: column; }
}