/* Trang cho khách: ảnh bìa lớn, chữ in hoa giãn cách, nền tối sang trọng. Dùng chung màu với app.css. */
:root { --display: 'Cormorant Garamond', var(--serif); --night: #171113; --wine: #2A1A1F; }
html { scroll-behavior: smooth; }
body.store { padding-bottom: calc(84px + var(--safe-b)); }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ---------- Thanh đen trên cùng ---------- */
.topbar { background: var(--night); color: #EFE5E8; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 42px; }
.tagline { min-width: 0; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.contacts { display: flex; gap: 18px; flex-shrink: 0; }
.contacts a { display: inline-flex; align-items: center; gap: 6px; min-height: 42px; color: #EFE5E8; font-size: 13px; }
.contacts a:hover { color: #fff; }
.contacts svg { width: 16px; height: 16px; }

/* ---------- Thanh danh mục ---------- */
.catnav { position: sticky; top: 0; z-index: 15; background: rgba(48, 40, 43, .97); }
.catnav .wrap { display: flex; overflow-x: auto; scrollbar-width: none; }
.catnav .wrap::-webkit-scrollbar { display: none; }
.catnav button {
  flex-shrink: 0; min-height: 50px; padding: 0 14px; border: 0; border-bottom: 2px solid transparent; background: none;
  color: #E6DADE; font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
}
.catnav button:hover { color: #fff; }
.catnav button.on { color: #fff; border-bottom-color: var(--rose-line); }

/* ---------- Ảnh bìa ---------- */
.hero { position: relative; display: flex; flex-direction: column; justify-content: space-between; min-height: min(80svh, 720px); overflow: hidden; color: #fff; background: var(--wine); }
.hero-bg, .hero-deco { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-bg { object-fit: cover; }
.hero.has-photo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,9,11,.5) 0%, rgba(15,9,11,.08) 32%, rgba(15,9,11,.2) 55%, rgba(15,9,11,.78) 100%); }
.hero.no-photo {
  background:
    radial-gradient(circle at 80% 26%, rgba(214,106,146,.45), transparent 32%),
    radial-gradient(circle at 18% 78%, rgba(176,74,110,.5), transparent 30%),
    radial-gradient(circle at 62% 88%, rgba(127,168,142,.28), transparent 26%),
    linear-gradient(160deg, #3A1D29 0%, #1C1216 100%);
}
.hero-deco { opacity: .42; }
.hero-brand, .hero-copy { position: relative; z-index: 1; }
.hero-brand { padding: 26px 20px 0; text-align: center; }
.orn { width: 128px; height: 22px; opacity: .9; }
.hero-name { font-family: var(--display); font-size: clamp(30px, 6vw, 46px); font-weight: 600; line-height: 1.15; text-shadow: 0 2px 18px rgba(0,0,0,.35); }
.hero-city { margin-top: 4px; font-size: 11px; letter-spacing: .38em; text-transform: uppercase; opacity: .9; }
.hero-copy { width: 100%; padding-bottom: 44px; }
.hero-copy h1 {
  max-width: 780px; margin: 0; font-family: var(--display); font-size: clamp(32px, 6.4vw, 66px); font-weight: 500;
  line-height: 1.22; letter-spacing: .07em; text-transform: uppercase; text-shadow: 0 2px 24px rgba(0,0,0,.45);
}
.hero-copy p { max-width: 640px; margin: 14px 0 0; font-size: clamp(12px, 1.5vw, 15px); line-height: 1.75; letter-spacing: .14em; text-transform: uppercase; text-shadow: 0 1px 12px rgba(0,0,0,.5); }
.hero .cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.btn-light { background: rgba(255,255,255,.94); border-color: transparent; color: var(--ink); }
.btn-light:hover { background: #fff; color: var(--ink); }

/* ---------- Thân trang ---------- */
.season { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 24px; }
.season b { font-family: var(--display); font-size: 21px; font-weight: 600; }
.season .btn { flex-shrink: 0; white-space: nowrap; }

.steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.step { padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.step-no { font-family: var(--display); font-size: 30px; font-weight: 600; line-height: 1; color: var(--rose); }
.step b { display: block; margin-top: 8px; font-size: 15px; }
.step p { margin: 4px 0 0; font-size: 13px; color: var(--muted); }

.catalog { margin-top: 40px; scroll-margin-top: 62px; }
.catalog-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.kicker { font-size: 11px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; color: var(--rose); }
.catalog-head h2 { margin: 2px 0 0; font-family: var(--display); font-size: clamp(32px, 5vw, 44px); font-weight: 600; line-height: 1.1; }

.grid-products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.p-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; text-align: left; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); }
.p-card:hover { border-color: var(--rose-line); }
.p-card:focus-visible { outline: 2px solid var(--rose); outline-offset: 2px; }
.p-media { display: block; overflow: hidden; }
.p-img { display: flex; align-items: center; justify-content: center; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .6s ease; }
.p-card:hover .p-img { transform: scale(1.04); }
.p-img svg { width: 42%; height: 42%; }
.ph.tint0 { background: var(--rose-soft); color: var(--rose-line); }
.ph.tint1 { background: var(--green-soft); color: #A9CDB6; }
.ph.tint2 { background: var(--amber-soft); color: #E5C68F; }
.ph.tint3 { background: var(--blue-soft); color: #AFC3E0; }
.p-body { display: flex; flex-direction: column; gap: 3px; padding: 12px 14px 16px; }
.p-name { font-family: var(--display); font-size: 19px; font-weight: 600; line-height: 1.2; }
.p-price { font-size: 15px; font-weight: 700; color: var(--rose-ink); }
.p-note { font-size: 12px; font-weight: 600; color: var(--amber); }

.custom-band {
  margin-top: 56px; padding: 56px 0; text-align: center; color: #fff;
  background: radial-gradient(circle at 50% 0%, rgba(214,106,146,.35), transparent 60%), var(--wine);
}
.custom-band .kicker { color: var(--rose-line); }
.custom-band h2 { margin: 8px 0 0; font-family: var(--display); font-size: clamp(30px, 4.6vw, 42px); font-weight: 600; }
.custom-band p { max-width: 520px; margin: 10px auto 24px; color: #E8DCE0; }

.foot { padding: 34px 0 28px; background: var(--night); color: #CFC2C7; font-size: 14px; }
.foot .wrap { display: grid; gap: 18px; }
.foot-name { font-family: var(--display); font-size: 28px; font-weight: 600; color: #fff; line-height: 1.1; }
.foot .hero-city { opacity: .7; }
.foot-info { display: grid; gap: 8px; }
.foot-info a, .foot-info span { display: inline-flex; align-items: center; gap: 8px; color: #CFC2C7; }
.foot-info a:hover { color: #fff; }
.foot-info svg { flex-shrink: 0; color: var(--rose-line); }

/* Thanh nút liên hệ ở đáy (điện thoại): hiện khi đã cuộn qua ảnh bìa. */
.dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; padding: 10px 16px calc(10px + var(--safe-b)); background: rgba(255,255,255,.96); border-top: 1px solid var(--line); transform: translateY(110%); transition: transform .25s; }
body.scrolled .dock { transform: none; }
.dock > div { display: flex; gap: 10px; max-width: 640px; margin: 0 auto; }
.dock .btn { flex: 1; }
#toast { bottom: calc(96px + var(--safe-b)); }

/* ---------- Chi tiết mẫu ---------- */
.detail-layout { display: flex; flex-direction: column; gap: 12px; }
.detail-info { gap: 12px; }
.detail-img { width: 100%; aspect-ratio: 4 / 5; max-height: 52vh; object-fit: cover; border-radius: 16px; }
.detail-img.ph { display: flex; align-items: center; justify-content: center; }
.detail-img.ph svg { width: 30%; height: 30%; }
.detail-price { font-size: 22px; font-weight: 700; color: var(--rose-ink); }
.detail-desc { margin: 0; font-size: 15px; color: var(--ink-2); white-space: pre-line; }
.tip { font-size: 13px; text-align: center; color: var(--muted); }

/* ---------- Máy tính bảng & máy tính ---------- */
@media (max-width: 639px) {
  /* Hai nút trên ảnh bìa nằm cùng một hàng. */
  .hero .cta { display: grid; grid-template-columns: auto minmax(0, 1fr); }
  .hero .cta .btn-lg { min-height: 48px; padding: 0 14px; font-size: 15px; }
  .hero .cta > :only-child { grid-column: 1 / -1; }
}
@media (min-width: 640px) {
  .grid-products { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
}
@media (min-width: 700px) {
  .detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
  .detail-img { max-height: none; }
}
@media (min-width: 900px) {
  .wrap { padding: 0 32px; }
  .catnav .wrap { justify-content: center; }
  .catnav button { padding: 0 20px; font-size: 13px; }
  .hero { min-height: min(88vh, 880px); }
  .hero-brand { padding-top: 40px; }
  .hero-copy { padding-bottom: 72px; }
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
  .catalog { margin-top: 56px; }
  .catalog-head { display: grid; grid-template-columns: 1fr minmax(240px, 340px); align-items: end; gap: 24px; }
  .grid-products { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .foot .wrap { grid-template-columns: 1fr auto; align-items: center; }
  .dock { display: none; }
  body.store { padding-bottom: 0; }
  #toast { bottom: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .p-img { transition: none; }
}