/* Cổng Đỏ (quan-an 4.0): a street-corner Hanoi eatery with a painted shop sign. Lacquer red and sign yellow on warm
   paper, a framed sign as the header, a yellow sticky bar, red category bands, photo-left rows, a paper order ticket.
   Fonts: Montserrat (sign, headings, prices) + Be Vietnam Pro (text). */
:root {
  --red: #c0241c;
  --red-deep: #8f1912;
  --yel: #ffcc2e;
  --yel-soft: #fff3c4;
  --paper: #fffaf0;
  --ink: #261a14;
  --muted: #6b5a4e;
  --line: rgba(38, 26, 20, 0.14);
  --k-font: 'Be Vietnam Pro', system-ui, sans-serif;
  --k-font-display: 'Montserrat', system-ui, sans-serif;
  --k-accent: #c0241c;
  --k-accent-ink: #ffffff;
  --k-ink: #261a14;
  --k-paper: #fffaf0;
  --k-muted: #6b5a4e;
  --k-line: rgba(38, 26, 20, 0.16);
  --k-radius: 6px;
}
body { background: var(--paper); color: var(--ink); font: 400 16px/1.6 'Be Vietnam Pro', system-ui, sans-serif; }
a { color: inherit; }
img { display: block; }
h1, h2, h3, h4 { margin: 0; font-family: 'Montserrat', system-ui, sans-serif; font-weight: 800; line-height: 1.15; }
.plain { margin: 0; padding: 0; list-style: none; }
.k-icon { width: 20px; height: 20px; flex: none; }

/* Sign */
.sign { padding: 14px 12px; background: var(--red-deep); }
.sign-board { max-width: 900px; margin: 0 auto; padding: 14px 12px 12px; border: 3px solid var(--yel); outline: 6px solid var(--red); background: var(--red); text-align: center; color: var(--yel); box-shadow: inset 0 0 0 4px var(--red-deep); }
.sign-top { margin: 0; font: 700 13px/1.2 'Montserrat', sans-serif; letter-spacing: 0.28em; text-transform: uppercase; color: #fff; }
.sign-name { display: block; margin: 4px 0; font: 900 clamp(40px, 13vw, 84px)/1 'Montserrat', sans-serif; text-transform: uppercase; letter-spacing: 0.04em; text-decoration: none; text-shadow: 3px 3px 0 var(--red-deep); }
.sign-sub { margin: 0; font-size: 14px; color: #ffe9a8; }

.bar { position: sticky; top: 0; z-index: 20; display: flex; justify-content: center; gap: 4px; padding: 6px 8px; background: var(--yel); border-bottom: 3px solid var(--red-deep); }
.bar a { display: inline-flex; align-items: center; gap: 6px; min-height: 42px; padding: 0 14px; font: 800 15px/1 'Montserrat', sans-serif; text-transform: uppercase; text-decoration: none; color: var(--red-deep); }
.bar a[aria-current] { background: var(--red); color: var(--yel); }
.bar-cart b { display: grid; place-items: center; min-width: 22px; height: 22px; padding: 0 5px; border-radius: 11px; background: var(--red-deep); color: #fff; font-size: 12px; }
.bar a[aria-current] b { background: var(--yel); color: var(--red-deep); }

/* Buttons */
.big-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.big { flex: 1 1 150px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 54px; padding: 0 12px; white-space: nowrap; border: 3px solid var(--red-deep); font: 800 16px/1 'Montserrat', sans-serif; text-transform: uppercase; text-decoration: none; cursor: pointer; }
.big-red { background: var(--red); color: #fff; }
.big-red:hover { background: var(--red-deep); }
.big-yel { background: var(--yel); color: var(--red-deep); }
.big-yel:hover { background: #ffd95c; }
.wide { width: 100%; flex: none; }
.add { display: inline-flex; align-items: center; gap: 4px; min-height: 40px; padding: 0 12px; border: 2px solid var(--red); background: var(--paper); color: var(--red); font: 800 14px/1 'Montserrat', sans-serif; cursor: pointer; }
.add:hover { background: var(--red); color: #fff; }
.price { display: inline-block; padding: 5px 10px; background: var(--red); color: #fff; font: 800 16px/1 'Montserrat', sans-serif; }

/* Intro */
.intro { display: grid; max-width: 1100px; margin: 0 auto; }
.intro-pic img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.intro-txt { padding: 22px 16px 26px; }
.intro h1 { font-size: clamp(28px, 7vw, 40px); color: var(--red-deep); margin-bottom: 8px; }
.open { display: grid; gap: 6px; margin-top: 18px; font-size: 15px; }
.open li { display: flex; gap: 8px; }
.open .k-icon { color: var(--red); margin-top: 2px; }
@media (min-width: 900px) { .intro { grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center; padding: 30px 16px; } .intro-txt { padding: 0; } }

/* Menu */
.menu { max-width: 1100px; margin: 0 auto; padding: 24px 12px 10px; }
.menu-title { margin-bottom: 18px; text-align: center; }
.menu-title span { display: inline-block; padding: 8px 26px; border: 3px double var(--red); font-size: 26px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--red); }
.cat { margin-bottom: 22px; }
.cat-band { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 4px; padding: 10px 14px; background: var(--red); color: var(--yel); font-size: 19px; text-transform: uppercase; letter-spacing: 0.04em; }
.cat-band small { font: 600 13px/1 'Be Vietnam Pro', sans-serif; text-transform: none; letter-spacing: 0; color: #ffe9a8; }
.dishes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 12px; padding: 14px 2px 4px; }
.dish { display: flex; flex-direction: column; min-width: 0; }
.dish-pic { position: relative; display: block; }
.dish-pic img { width: 100%; aspect-ratio: 1; object-fit: cover; border: 4px solid var(--yel); }
.sticker { position: absolute; top: -8px; right: -6px; display: grid; place-items: center; width: 74px; height: 74px; border-radius: 50%; border: 3px dashed var(--yel); background: var(--red); color: #fff; font: 800 14px/1 'Montserrat', sans-serif; transform: rotate(-10deg); box-shadow: 0 0 0 3px var(--red); }
.dish-name { flex: 1; margin: 8px 0; font-size: 16px; overflow-wrap: anywhere; }
.dish-name a { text-decoration: none; }
.dish .add { justify-content: center; border-color: var(--red-deep); background: var(--yel); color: var(--red-deep); }
.dish .add:hover { background: var(--red); color: #fff; }
@media (min-width: 720px) { .dishes { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px 18px; } }
@media (min-width: 1000px) { .dishes { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* Info */
.info { margin-top: 18px; padding: 26px 12px; background: var(--yel-soft); border-block: 3px solid var(--yel); }
.info-in { display: grid; gap: 18px; max-width: 1100px; margin: 0 auto; }
.info-box { padding: 18px 16px; background: var(--paper); border: 2px solid var(--red); }
.info-box h2 { margin-bottom: 10px; font-size: 22px; color: var(--red); text-transform: uppercase; }
.info-box p { margin: 0 0 10px; }
.says li { padding: 10px 0; border-top: 1px dashed var(--line); }
.says li:first-child { border-top: 0; padding-top: 0; }
.says p { margin: 0; }
.stars { color: #d79a00; letter-spacing: 2px; }
.who { font-weight: 700; font-size: 15px; color: var(--red-deep); }
@media (min-width: 800px) { .info-in { grid-template-columns: 1fr 1fr; align-items: start; } }

.qa { max-width: 860px; margin: 0 auto; padding: 28px 16px 8px; }
.qa-title { margin-bottom: 10px; font-size: 24px; color: var(--red-deep); text-transform: uppercase; }
.qa details { border-bottom: 1px solid var(--line); }
.qa summary { padding: 14px 0; font-weight: 700; cursor: pointer; }
.qa details p { margin: 0 0 14px; color: var(--muted); }

.where { max-width: 1100px; margin: 0 auto; padding: 28px 16px 34px; }
.where h2 { font-size: 24px; color: var(--red-deep); text-transform: uppercase; }
.where-addr { display: flex; gap: 8px; margin: 8px 0 14px; }
.where-addr .k-icon { color: var(--red); margin-top: 3px; }
.map { height: 280px; border: 3px solid var(--red); }

/* Footer */
.ftr { padding: 24px 16px 28px; background: var(--red-deep); color: #ffe9a8; text-align: center; font-size: 15px; }
.ftr p { margin: 0 0 6px; }
.ftr-name { font: 900 26px/1 'Montserrat', sans-serif !important; text-transform: uppercase; color: var(--yel); margin-bottom: 10px !important; }
.ftr-link { padding: 0; border: 0; background: none; color: #fff; font: inherit; text-decoration: underline; cursor: pointer; }

/* Pages */
.page { max-width: 1100px; margin: 0 auto; padding: 22px 12px 30px; }
.page-title { font-size: 30px; color: var(--red-deep); text-transform: uppercase; text-align: center; }
.board { max-width: 760px; margin: 0 auto; padding: 22px 16px 26px; background: var(--red); border: 4px solid var(--yel); outline: 6px solid var(--red-deep); color: #fff; }
.board-title { text-align: center; font-size: clamp(30px, 8vw, 44px); text-transform: uppercase; letter-spacing: 0.08em; color: var(--yel); text-shadow: 2px 2px 0 var(--red-deep); }
.board-sub { margin: 4px 0 14px; text-align: center; font-size: 15px; color: #ffe9a8; }
.bl { display: grid; grid-template-columns: minmax(0, 1fr) auto 40px; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255, 204, 46, 0.35); }
.bl-name { font: 700 17px/1.3 'Montserrat', sans-serif; text-decoration: none; overflow-wrap: anywhere; }
.bl-price { font: 800 17px/1 'Montserrat', sans-serif; color: var(--yel); white-space: nowrap; }
.bl-add { display: grid; place-items: center; width: 40px; height: 40px; border: 2px solid var(--yel); background: none; color: var(--yel); cursor: pointer; }
.bl-add:hover { background: var(--yel); color: var(--red-deep); }
.board .empty { color: #ffe9a8; }
.empty { grid-column: 1 / -1; padding: 20px; text-align: center; color: var(--muted); }

.one { display: grid; gap: 18px; }
.one-pic { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 4px solid var(--yel); outline: 3px solid var(--red); }
.one-cat { margin: 0; font: 700 13px/1 'Montserrat', sans-serif; letter-spacing: 0.16em; text-transform: uppercase; color: var(--red); }
.one h1 { margin: 6px 0; font-size: clamp(28px, 7vw, 40px); overflow-wrap: anywhere; }
.one-price { margin: 0 0 12px; color: var(--muted); }
.one-price b { display: inline-block; padding: 6px 12px; background: var(--red); color: #fff; font: 800 22px/1 'Montserrat', sans-serif; }
.one-attrs { margin: 0 0 14px; padding: 10px 14px; background: var(--yel-soft); }
.one [data-options] { margin-bottom: 16px; }
.back { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 700; color: var(--red); text-decoration: none; }
.same { grid-column: 1 / -1; margin-top: 12px; }
@media (min-width: 900px) { .one { grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; } }

.ticket { position: relative; max-width: 620px; margin: 0 auto; padding: 0 0 22px; background: #fff; border: 2px solid var(--line); box-shadow: 0 8px 24px rgba(38, 26, 20, 0.1); }
.ticket::after { content: ''; position: absolute; left: 0; right: 0; bottom: -10px; height: 10px; background: radial-gradient(circle at 8px 0, #fff 7px, transparent 8px) 0 0 / 16px 10px repeat-x; }
.ticket-head { padding: 16px; background: var(--red); color: var(--yel); font-size: 24px; text-align: center; text-transform: uppercase; letter-spacing: 0.08em; }
.ticket-lines { padding: 6px 16px 0; }
.tl { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: 'n x' 'q s'; gap: 6px 10px; align-items: center; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.tl-name { grid-area: n; display: grid; }
.tl-name a { font-weight: 700; text-decoration: none; overflow-wrap: anywhere; }
.tl-name small { color: var(--muted); }
.tl-qty { grid-area: q; display: inline-flex; align-items: center; gap: 12px; }
.tl-qty button, .tl-x { display: grid; place-items: center; width: 36px; height: 36px; border: 2px solid var(--red); background: #fff; color: var(--red); cursor: pointer; }
.tl-sum { grid-area: s; font: 800 16px/1 'Montserrat', sans-serif; }
.tl-x { grid-area: x; border-color: var(--line); color: var(--muted); }
.ticket-total { display: flex; justify-content: space-between; margin: 12px 16px 18px; padding-top: 10px; border-top: 3px double var(--ink); font: 800 18px/1 'Montserrat', sans-serif; text-transform: uppercase; }
.ticket-total b { color: var(--red); font-size: 22px; }
.ticket-form { padding: 0 16px; }
.small { margin: 10px 0 0; font-size: 14px; color: var(--muted); text-align: center; }