/* ==========================================================================
   MỸ LÂM TEA — Hệ thống thiết kế
   Ngôn ngữ thị giác: trà cao cấp (luxury tea) — nền kem, chữ nâu trầm,
   viền vàng đồng, khoảng trắng rộng, chữ hoa giãn ký tự.
   Font: Cormorant Garamond (serif hiển thị) + Montserrat (chữ hoa UI)
         + Be Vietnam Pro (thân bài) — cả 3 đều hỗ trợ tiếng Việt đầy đủ.
   ========================================================================== */

:root {
  /* Màu */
  --cream:      #FFFDF3;   /* nền chính */
  --cream-2:    #F6F2E3;   /* nền phụ (panel) */
  --cream-3:    #EFE9D6;
  --ink:        #3C2B26;   /* nâu đậm — chữ chính */
  --ink-soft:   #6B584F;
  --gold:       #B99B5B;   /* vàng đồng — điểm nhấn */
  --gold-soft:  #DCCB9E;
  --green:      #2F4A34;   /* xanh trà đậm — thương hiệu Mỹ Lâm */
  --green-soft: #5C7A5F;
  --line:       rgba(60, 43, 38, .16);
  --white:      #FFFFFF;

  /* Chữ */
  --f-display: "Cormorant Garamond", "Times New Roman", serif;
  --f-ui:      "Montserrat", "Segoe UI", sans-serif;
  --f-body:    "Be Vietnam Pro", "Segoe UI", sans-serif;

  /* Nhịp */
  --pad-x: clamp(20px, 5vw, 80px);
  --sect:  clamp(64px, 9vw, 140px);
  --ease:  cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-body);
  background: var(--cream);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* --------------------------------------------------------- Kiểu chữ dùng chung */
.display {
  font-family: var(--f-display);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: .02em;
}

.eyebrow {
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold);
}

.sect-title {
  font-family: var(--f-ui);
  font-weight: 400;
  font-size: clamp(20px, 2.1vw, 30px);
  letter-spacing: .18em;
  text-transform: uppercase;
  line-height: 1.35;
}

.lede { color: var(--ink-soft); max-width: 46ch; }

/* --------------------------------------------------------- Nút */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 34px;
  font-family: var(--f-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  transition: background .45s var(--ease), color .45s var(--ease), border-color .45s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--cream); }

.btn--solid { background: var(--ink); color: var(--cream); }
.btn--solid:hover { background: var(--green); border-color: var(--green); color: var(--cream); }

.btn--light { border-color: rgba(255,255,255,.75); color: #fff; }
.btn--light:hover { background: #fff; color: var(--ink); border-color: #fff; }

.btn--full { width: 100%; }

.link-underline {
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  transition: opacity .3s;
}
.link-underline:hover { opacity: .55; }

/* ========================================================== HEADER */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--pad-x);
  height: 84px;
  color: var(--ink);
  transition: background .5s var(--ease), color .5s var(--ease), height .5s var(--ease),
              box-shadow .5s var(--ease);
}
.header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line);
  opacity: 0;
  transition: opacity .5s;
}
.header.is-solid::after { opacity: 1; }

/* Trên hero ảnh tối: header trong suốt, chữ trắng */
.header.is-over { color: #fff; }
.header.is-solid { background: var(--cream); color: var(--ink); height: 72px; }

.header__left, .header__right { display: flex; align-items: center; gap: 22px; }
.header__right { justify-content: flex-end; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  transition: opacity .3s;
}
.icon-btn:hover { opacity: .6; }
.icon-btn svg { width: 21px; height: 21px; stroke: currentColor; fill: none; stroke-width: 1.4; }

.header__logo { display: block; justify-self: center; text-align: center; }
.header__logo img { height: 46px; width: auto; transition: height .5s var(--ease), filter .5s; }
.header.is-solid .header__logo img { height: 40px; }
.header.is-over .header__logo img { filter: brightness(0) invert(1); }

.cart-btn { position: relative; }
.cart-btn__count {
  position: absolute;
  top: -2px; right: -6px;
  min-width: 17px; height: 17px;
  display: grid; place-items: center;
  padding: 0 4px;
  border-radius: 9px;
  background: var(--gold);
  color: #fff;
  font-family: var(--f-ui);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
}

.header__lang {
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .16em;
}
.header__lang b { font-weight: 600; }
.header__lang span { opacity: .4; margin: 0 6px; }

/* ---------------------------------------------------- Menu toàn màn hình */
.nav {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--cream);
  visibility: hidden;
  transform: translateY(-100%);
  transition: transform .8s var(--ease), visibility 0s .8s;
}
.nav.is-open {
  visibility: visible;
  transform: translateY(0);
  transition: transform .8s var(--ease), visibility 0s;
}

.nav__close {
  position: absolute;
  top: 26px; right: var(--pad-x);
  z-index: 2;
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 10px;
}
.nav__close:hover { opacity: .6; }

.nav__panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 110px var(--pad-x) 60px;
}
.nav__list { list-style: none; }
.nav__list li { overflow: hidden; }
.nav__list a {
  display: block;
  font-family: var(--f-display);
  font-size: clamp(30px, 4vw, 56px);
  font-weight: 300;
  line-height: 1.5;
  transition: color .4s, padding-left .5s var(--ease);
}
.nav__list a:hover { color: var(--gold); padding-left: 16px; }

.nav__meta {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.nav__meta a:hover { color: var(--gold); }

.nav__visual { position: relative; overflow: hidden; }
.nav__visual img { width: 100%; height: 100%; object-fit: cover; }
.nav__visual figcaption {
  position: absolute;
  left: 42px; bottom: 42px;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,.4);
}
.nav__visual figcaption .display { font-size: 34px; }

/* ---------------------------------------------------- Lớp phủ tìm kiếm */
.search {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 96;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
  padding: 40px var(--pad-x) 34px;
  visibility: hidden;
  transform: translateY(-102%);
  transition: transform .6s var(--ease), visibility 0s .6s;
}
.search.is-open {
  visibility: visible;
  transform: translateY(0);
  transition: transform .6s var(--ease), visibility 0s;
}
.search form { display: flex; align-items: center; gap: 16px; max-width: 900px; margin: 0 auto; }
.search input {
  flex: 1;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: none;
  padding: 12px 0;
  font-family: var(--f-display);
  font-size: 28px;
  color: var(--ink);
  outline: none;
}
.search input::placeholder { color: rgba(60,43,38,.3); }
.search input:focus { border-color: var(--gold); }

/* ========================================================== HERO */
.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.hero__media { position: absolute; inset: 0; }
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: heroZoom 18s var(--ease) forwards;
}
@keyframes heroZoom { from { transform: scale(1.1); } to { transform: scale(1); } }
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,26,18,.5) 0%, rgba(20,26,18,.22) 38%, rgba(20,26,18,.62) 100%);
}
.hero__inner { position: relative; z-index: 1; padding: 0 var(--pad-x); max-width: 980px; }
.hero__title {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(38px, 6.4vw, 92px);
  line-height: 1.05;
  letter-spacing: .01em;
  text-transform: uppercase;
  text-shadow: 0 2px 40px rgba(0,0,0,.35);
}
.hero__sub {
  margin: 26px auto 40px;
  max-width: 56ch;
  font-size: 16px;
  color: rgba(255,255,255,.9);
  text-shadow: 0 1px 20px rgba(0,0,0,.4);
}
.hero__eyebrow { color: var(--gold-soft); margin-bottom: 22px; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  left: 50%; bottom: 30px;
  transform: translateX(-50%);
  z-index: 1;
  font-family: var(--f-ui);
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  display: grid;
  justify-items: center;
  gap: 10px;
}
.hero__scroll i {
  display: block;
  width: 1px; height: 42px;
  background: linear-gradient(180deg, rgba(255,255,255,.9), transparent);
  animation: scrollLine 2.2s infinite;
}
@keyframes scrollLine { 0%,100% { opacity: .3; transform: scaleY(.5); } 50% { opacity: 1; transform: scaleY(1); } }

/* ========================================================== SECTION khung */
.section { padding: var(--sect) var(--pad-x); }
.section--tint { background: var(--cream-2); }
.section--tight { padding-top: clamp(40px, 5vw, 70px); }

.section__head {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 16px;
  max-width: 660px;
  margin: 0 auto clamp(40px, 5vw, 66px);
}
.section__head .lede { max-width: 60ch; }

.rule { width: 40px; height: 1px; background: var(--gold); }

/* ---------------------------------------------------- Khối chia đôi ảnh/chữ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: min(80vh, 720px);
}
.split__media { position: relative; overflow: hidden; }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  padding: clamp(46px, 6vw, 96px);
  background: var(--cream-2);
}
.split--flip .split__media { order: 2; }
.split--dark .split__body { background: var(--green); color: var(--cream); }
.split--dark .lede { color: rgba(255,255,255,.78); }
.split--dark .btn { border-color: rgba(255,255,255,.7); color: #fff; }
.split--dark .btn:hover { background: #fff; color: var(--green); }
.split__body .display { font-size: clamp(30px, 3.4vw, 50px); }

/* ========================================================== LƯỚI SẢN PHẨM */
.grid-products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: clamp(20px, 2.4vw, 40px) clamp(16px, 1.8vw, 28px);
}

.card { display: flex; flex-direction: column; }

.card__media {
  position: relative;
  aspect-ratio: 3 / 4;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.card__media > a { display: block; width: 100%; height: 100%; }
.card__media img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 12%;
  transition: transform .9s var(--ease);
}
.card__media img.is-cover { object-fit: cover; padding: 0; }
.card:hover .card__media img { transform: scale(1.06); }

.card__tag {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  padding: 5px 11px;
  background: var(--gold);
  color: #fff;
  font-family: var(--f-ui);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.card__tag--dark { background: var(--green); }

.card__quick {
  position: absolute;
  inset: auto 0 0 0;
  padding: 12px;
  transform: translateY(101%);
  transition: transform .5s var(--ease);
}
.card:hover .card__quick { transform: translateY(0); }
.card__quick .btn { min-height: 42px; background: var(--ink); color: var(--cream); border-color: var(--ink); font-size: 11px; }
.card__quick .btn:hover { background: var(--green); border-color: var(--green); }

.card__body { padding: 18px 2px 0; display: grid; gap: 6px; }
.card__cat {
  font-family: var(--f-ui);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}
.card__name {
  font-family: var(--f-display);
  font-size: 23px;
  font-weight: 400;
  line-height: 1.25;
}
.card__note { font-size: 13px; color: var(--ink-soft); }
.card__price {
  font-family: var(--f-ui);
  font-size: 13px;
  letter-spacing: .06em;
  margin-top: 2px;
}
.card__price s { color: rgba(60,43,38,.4); margin-right: 8px; font-weight: 400; }

/* ========================================================== DẢI SỐ LIỆU */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats__item {
  padding: clamp(30px, 3.6vw, 54px) 20px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.stats__item:last-child { border-right: 0; }
.stats__num {
  font-family: var(--f-display);
  font-size: clamp(32px, 3.6vw, 52px);
  line-height: 1;
  color: var(--green);
}
.stats__label {
  margin-top: 12px;
  font-family: var(--f-ui);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ========================================================== TRÍCH DẪN */
.quote { display: grid; grid-template-columns: 1.05fr 1fr; align-items: stretch; }
.quote__img { max-height: 700px; overflow: hidden; }
.quote__img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }
.quote__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(40px, 6vw, 90px);
  background: var(--cream-2);
}
.quote__text {
  font-family: var(--f-display);
  font-size: clamp(24px, 2.4vw, 36px);
  font-weight: 300;
  line-height: 1.4;
}
.quote__who {
  margin-top: 26px;
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ========================================================== CHỨNG NHẬN / ĐỐI TÁC */
.badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.badge {
  background: var(--cream);
  padding: 34px 24px;
  text-align: center;
  display: grid;
  gap: 8px;
  align-content: center;
}
.badge__name {
  font-family: var(--f-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.badge__desc { font-size: 12px; color: var(--ink-soft); line-height: 1.5; }

.partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(24px, 5vw, 76px);
  align-items: center;
}
.partners span {
  font-family: var(--f-display);
  font-size: clamp(20px, 2.2vw, 30px);
  color: var(--ink-soft);
  letter-spacing: .04em;
}

/* ========================================================== BẢN TIN */
.newsletter { text-align: center; }
.newsletter form {
  display: flex;
  gap: 0;
  max-width: 520px;
  margin: 30px auto 0;
  border-bottom: 1px solid var(--ink);
}
.newsletter input {
  flex: 1;
  border: 0; background: none; outline: none;
  padding: 14px 4px;
  font-family: var(--f-body);
  font-size: 14px;
  color: var(--ink);
}
.newsletter input::placeholder { color: rgba(60,43,38,.42); }
.newsletter button {
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 0 6px;
}
.newsletter button:hover { color: var(--gold); }
.newsletter small { display: block; margin-top: 14px; color: var(--ink-soft); font-size: 12px; }

/* ========================================================== FOOTER */
.footer { background: var(--green); color: rgba(255,255,255,.82); padding: clamp(56px, 7vw, 92px) var(--pad-x) 32px; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px clamp(24px, 3vw, 60px);
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.footer__logo img { height: 54px; filter: brightness(0) invert(1); opacity: .95; }
.footer__brand p { margin-top: 18px; font-size: 13px; line-height: 1.8; max-width: 34ch; }
.footer h4 {
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 18px;
}
.footer ul { list-style: none; display: grid; gap: 10px; }
.footer li a, .footer address { font-size: 13px; font-style: normal; line-height: 1.7; transition: color .3s; }
.footer li a:hover { color: var(--gold-soft); }
.footer__social { display: flex; gap: 14px; margin-top: 20px; }
.footer__social a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
  transition: background .35s, color .35s, border-color .35s;
}
.footer__social a:hover { background: #fff; color: var(--green); border-color: #fff; }
.footer__social svg { width: 15px; height: 15px; fill: currentColor; }
.footer__bottom {
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--f-ui);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

/* ========================================================== GIỎ HÀNG (ngăn kéo) */
.cart {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
}
.cart__veil {
  position: absolute; inset: 0;
  background: rgba(28,20,17,.45);
  opacity: 0;
  transition: opacity .5s;
}
.cart__panel {
  position: absolute;
  top: 0; right: 0;
  width: min(430px, 100%);
  height: 100%;
  background: var(--cream);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .6s var(--ease);
  box-shadow: -30px 0 60px rgba(0,0,0,.12);
}
.cart.is-open { pointer-events: auto; }
.cart.is-open .cart__veil { opacity: 1; }
.cart.is-open .cart__panel { transform: translateX(0); }

.cart__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 26px 20px;
  border-bottom: 1px solid var(--line);
}
.cart__head h3 { font-family: var(--f-ui); font-size: 12px; letter-spacing: .24em; text-transform: uppercase; font-weight: 600; }
.cart__items { flex: 1; overflow-y: auto; padding: 8px 26px; }
.cart__empty { padding: 60px 0; text-align: center; color: var(--ink-soft); }

.citem { display: grid; grid-template-columns: 74px 1fr; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.citem__img { aspect-ratio: 3/4; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; }
.citem__img img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.citem__name { font-family: var(--f-display); font-size: 19px; line-height: 1.3; }
.citem__price { font-family: var(--f-ui); font-size: 12px; margin-top: 4px; color: var(--ink-soft); }
.citem__row { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); }
.qty button { width: 28px; height: 28px; display: grid; place-items: center; font-size: 14px; }
.qty button:hover { color: var(--gold); }
.qty span { min-width: 30px; text-align: center; font-family: var(--f-ui); font-size: 12px; }
.citem__del { font-size: 11px; color: var(--ink-soft); border-bottom: 1px solid var(--line); }
.citem__del:hover { color: #a33; }

.cart__foot { padding: 22px 26px 26px; border-top: 1px solid var(--line); background: var(--cream-2); }
.cart__total { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.cart__total b { font-family: var(--f-display); font-size: 26px; font-weight: 500; }
.cart__total span { font-family: var(--f-ui); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }
.cart__note { margin-top: 12px; font-size: 11px; color: var(--ink-soft); text-align: center; }

/* ========================================================== TRANG PHỤ */
.page-head {
  padding: 150px var(--pad-x) clamp(40px, 5vw, 64px);
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 16px;
  background: var(--cream-2);
  border-bottom: 1px solid var(--line);
}
.page-head h1 { font-family: var(--f-display); font-weight: 300; font-size: clamp(36px, 5vw, 62px); line-height: 1.1; }
.crumbs { font-family: var(--f-ui); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft); }
.crumbs a:hover { color: var(--gold); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: clamp(34px, 4vw, 56px);
}
.chip {
  padding: 9px 20px;
  border: 1px solid var(--line);
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: all .35s var(--ease);
}
.chip:hover { border-color: var(--ink); }
.chip.is-active { background: var(--ink); color: var(--cream); border-color: var(--ink); }

/* ---- Chi tiết sản phẩm */
.pdp { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(30px, 4vw, 70px); padding: 130px var(--pad-x) var(--sect); }
.pdp__media { background: var(--white); border: 1px solid var(--line); display: grid; place-items: center; aspect-ratio: 4/5; position: relative; }
.pdp__media img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.pdp__media img.is-cover { object-fit: cover; padding: 0; }
.pdp__body { align-self: center; max-width: 520px; }
.pdp__name { font-family: var(--f-display); font-weight: 300; font-size: clamp(34px, 3.8vw, 54px); line-height: 1.08; margin: 10px 0 14px; }
.pdp__price { font-family: var(--f-ui); font-size: 20px; letter-spacing: .04em; margin-bottom: 22px; }
.pdp__desc { color: var(--ink-soft); margin-bottom: 26px; }
.pdp__opts { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.pdp__specs { list-style: none; margin-top: 34px; border-top: 1px solid var(--line); }
.pdp__specs li {
  display: grid; grid-template-columns: 150px 1fr; gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.pdp__specs b { font-family: var(--f-ui); font-size: 10px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); }

/* ---- Liên hệ */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 4vw, 70px); }
.field { display: grid; gap: 8px; margin-bottom: 18px; }
.field label { font-family: var(--f-ui); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); }
.field input, .field textarea, .field select {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 13px 14px;
  font-family: var(--f-body);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color .3s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--gold); }
.field textarea { min-height: 130px; resize: vertical; }

.info-list { list-style: none; display: grid; gap: 22px; }
.info-list li { display: grid; gap: 4px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.info-list b { font-family: var(--f-ui); font-size: 10px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }

/* ---- Câu chuyện */
.prose { max-width: 68ch; margin: 0 auto; }
.prose p { margin-bottom: 20px; color: var(--ink-soft); }
.prose h3 { font-family: var(--f-display); font-weight: 400; font-size: 30px; margin: 42px 0 16px; color: var(--ink); }
.prose blockquote {
  margin: 34px 0;
  padding-left: 26px;
  border-left: 2px solid var(--gold);
  font-family: var(--f-display);
  font-size: 24px;
  line-height: 1.45;
  color: var(--ink);
}
.timeline { list-style: none; display: grid; gap: 0; }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.timeline b { font-family: var(--f-display); font-size: 30px; color: var(--gold); line-height: 1; }
.timeline p { color: var(--ink-soft); font-size: 14px; }

/* ========================================================== HIỆU ỨNG XUẤT HIỆN */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* thông báo nhỏ */
.toast {
  position: fixed;
  left: 50%; bottom: 30px;
  transform: translate(-50%, 20px);
  z-index: 120;
  background: var(--ink);
  color: var(--cream);
  padding: 14px 26px;
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s, transform .4s var(--ease);
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ========================================================== ĐÁP ỨNG (responsive) */
@media (max-width: 1024px) {
  .quote { grid-template-columns: 1fr; }
  .quote__img { aspect-ratio: 16/10; }
  .pdp { grid-template-columns: 1fr; padding-top: 118px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .header { height: 68px; grid-template-columns: 1fr auto 1fr; }
  .header.is-solid { height: 62px; }
  .header__logo img { height: 38px; }
  .header__lang { display: none; }
  .nav { grid-template-columns: 1fr; }
  .nav__visual { display: none; }
  .nav__panel { padding-top: 96px; }
  .split, .split--flip { grid-template-columns: 1fr; }
  .split--flip .split__media { order: 0; }
  .split__media { aspect-ratio: 4/3; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats__item:nth-child(2n) { border-right: 0; }
  .stats__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .grid-products { grid-template-columns: repeat(2, 1fr); gap: 26px 14px; }
  .card__quick { transform: none; position: static; padding: 12px 0 0; }
  .pdp__specs li { grid-template-columns: 1fr; gap: 2px; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; }
}

@media (max-width: 520px) {
  .grid-products { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
}