/* Gió Nồm — ấm, đậm, ngon mắt: than nâu, đỏ ớt, vàng nghệ, giấy kem. */
:root {
  --char: #1f1512;
  --char-2: #2a1d18;
  --char-3: #3a2a23;
  --cream: #fbf3e6;
  --paper: #fffaf1;
  --red: #b3361f;
  --red-dark: #8e2814;
  --gold: #f2b33d;
  --gold-soft: #f8deb0;
  --ink: #2a1d18;
  --muted: #6b5546;
  --on-dark: #f6ecdd;
  --on-dark-muted: #d6c3ad;
  --line: #e8d8bf;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 400 16px/1.65 var(--body); overflow-x: hidden; }
svg { display: block; max-width: 100%; }
a { color: var(--red-dark); }
h1, h2, h3 { font-family: var(--display); line-height: 1.08; margin: 0 0 .5em; font-optical-sizing: auto; }
h2 { font-size: clamp(2rem, 6vw, 3.3rem); font-weight: 900; letter-spacing: -.02em; }
h3 { font-size: 1.35rem; font-weight: 800; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--gold); color: var(--ink); border-radius: 8px; font-weight: 700; }
.skip:focus { top: 12px; }

/* Nút */
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: 14px;
  border: 2px solid transparent; font: 700 15.5px/1.2 var(--body); text-decoration: none; cursor: pointer;
  transition: transform .15s, background .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-red { background: var(--red); color: #fff; box-shadow: 0 6px 0 var(--red-dark); }
.btn-red:hover { background: #c23d24; }
.btn-red:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--red-dark); }
.btn-line { border-color: rgba(246, 236, 221, .55); color: var(--on-dark); }
.btn-line:hover { border-color: var(--gold); color: var(--gold); }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: #ffc552; }
.btn-sm { min-height: 44px; padding: 0 18px; font-size: 14.5px; box-shadow: 0 4px 0 var(--red-dark); }

/* Đầu trang */
.site-header { position: sticky; top: 0; z-index: 40; background: var(--char); border-bottom: 1px solid #3a2a23; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--on-dark); }
.brand-mark { width: 42px; height: 42px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font: 900 1.55rem/1 var(--display); letter-spacing: -.01em; }
.brand-sub { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); margin-top: 4px; font-weight: 600; }

.nav-toggle { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 14px; border: 1.5px solid #5a463c; border-radius: 12px; background: transparent; color: var(--on-dark); font: 700 14px var(--body); cursor: pointer; }
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative; transition: transform .2s; }
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

.site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 8px 20px 22px; background: var(--char); border-bottom: 1px solid #3a2a23; }
.site-nav.is-open { display: block; }
.site-nav ul { list-style: none; margin: 0 0 14px; padding: 0; }
.site-nav li a { display: flex; align-items: center; min-height: 50px; color: var(--on-dark); text-decoration: none; font-weight: 600; border-bottom: 1px solid #3a2a23; }
.site-nav .btn { width: 100%; }
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav { display: flex; align-items: center; gap: 28px; position: static; padding: 0; border: 0; background: none; }
  .site-nav ul { display: flex; gap: 24px; margin: 0; }
  .site-nav li a { min-height: 44px; border: 0; font-size: 15px; color: var(--on-dark-muted); }
  .site-nav li a:hover { color: var(--gold); }
  .site-nav .btn { width: auto; }
}

/* Hero */
.hero {
  background:
    radial-gradient(600px 400px at 85% 30%, rgba(242, 179, 61, .18), transparent 70%),
    radial-gradient(500px 400px at 0% 100%, rgba(179, 54, 31, .28), transparent 70%),
    var(--char);
  color: var(--on-dark); padding: 40px 0 56px; overflow: hidden;
}
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero-kicker { display: inline-block; margin-bottom: 18px; padding: 6px 12px; border: 1px dashed rgba(242, 179, 61, .6); border-radius: 8px; color: var(--gold); font-size: .85rem; font-weight: 600; }
.hero h1 { font-size: clamp(2.6rem, 10vw, 5rem); font-weight: 900; letter-spacing: -.03em; color: #fff; }
.hero h1 em { display: block; font-style: italic; font-weight: 800; color: var(--gold); }
.lead { font-size: 1.08rem; color: var(--on-dark-muted); max-width: 32em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 30px; }
.hero-meta { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-meta li { padding: 8px 14px; border-radius: 999px; background: rgba(255, 255, 255, .07); font-size: .88rem; color: var(--on-dark-muted); }
.hero-meta strong { color: #fff; }
.hero-art { position: relative; max-width: 480px; width: 100%; margin: 0 auto; }
.hero-art svg { width: 100%; height: auto; }
.steam path { animation: steam 3.2s ease-in-out infinite; }
.steam path:nth-child(2) { animation-delay: .6s; }
.steam path:nth-child(3) { animation-delay: 1.2s; }
@keyframes steam { 0%, 100% { opacity: .15; transform: translateY(6px); } 50% { opacity: .7; transform: translateY(-6px); } }
@media (prefers-reduced-motion: reduce) { .steam path { animation: none; } html { scroll-behavior: auto; } }
.sticker {
  position: absolute; right: 2%; top: 4%; width: 112px; height: 112px; margin: 0; border-radius: 50%; background: var(--gold); color: var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.1; transform: rotate(10deg);
  box-shadow: 0 0 0 6px rgba(242, 179, 61, .25); font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
}
.sticker strong { font: 900 2rem/1 var(--display); letter-spacing: -.02em; text-transform: none; }
@media (min-width: 900px) {
  .hero { padding: 72px 0 88px; }
  .hero-grid { grid-template-columns: 1.1fr .9fr; gap: 40px; }
  .sticker { width: 130px; height: 130px; }
}

/* Dải chữ */
.strip { background: var(--gold); color: var(--ink); overflow: hidden; border-block: 3px solid var(--char); }
.strip p { margin: 0 auto; max-width: 1180px; padding: 14px 20px; font: italic 800 1.1rem/1.7 var(--display); text-align: center; }
.strip span { color: var(--red-dark); margin: 0 8px; font-style: normal; }

/* Section */
.section { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head p:not(.kicker) { color: var(--muted); }
.kicker { margin: 0 0 10px; font-size: .8rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--red); }
.kicker-gold { color: var(--gold); }
@media (min-width: 900px) { .section { padding: 96px 0; } }

/* Món nên thử */
.sig-grid { display: grid; gap: 20px; }
.sig { background: var(--paper); border: 2px solid var(--char); border-radius: 22px; overflow: hidden; box-shadow: 6px 6px 0 var(--char); display: flex; flex-direction: column; }
.sig-art { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; background: #3a2a1f; border-bottom: 2px solid var(--char); transition: transform 1.1s cubic-bezier(.2, .7, .2, 1); }
.sig { isolation: isolate; }
.sig:hover .sig-art { transform: scale(1.04); }
.sig-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.sig-body p { color: var(--muted); font-size: .95rem; }
.tag { align-self: flex-start; margin-bottom: 10px !important; padding: 3px 10px; border-radius: 6px; background: var(--char); color: var(--gold) !important; font-size: .74rem !important; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.tag-hot { background: var(--red); color: #fff !important; }
.sig-price { margin: auto 0 0; font: 900 1.7rem/1 var(--display); color: var(--red) !important; }
@media (min-width: 760px) { .sig-grid { grid-template-columns: repeat(3, 1fr); gap: 26px; } }

/* Thực đơn */
.menu { background: var(--paper); border-block: 1px solid var(--line); }
.menu-board { display: grid; gap: 10px; padding: 28px 20px; border-radius: 26px; background: var(--cream); border: 1px solid var(--line); }
.menu-cat { display: flex; align-items: baseline; gap: 10px; font-size: 1.6rem; font-weight: 900; color: var(--red); margin: 18px 0 6px; padding-bottom: 8px; border-bottom: 3px double var(--red); }
.menu-col > .menu-cat:first-child { margin-top: 0; }
.menu-cat small { font: 600 .82rem var(--body); color: var(--muted); }
.dishes { list-style: none; margin: 0 0 12px; padding: 0; }
.dishes li { display: grid; grid-template-columns: 1fr auto; gap: 2px 14px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.d-name { font-weight: 700; font-size: 1.02rem; }
.d-price { font: 800 1.12rem/1.4 var(--display); color: var(--ink); }
.d-desc { grid-column: 1 / -1; font-size: .88rem; color: var(--muted); }
.badge { display: inline-block; vertical-align: 2px; margin-left: 4px; padding: 1px 7px; border-radius: 5px; background: var(--gold-soft); color: #6a4100; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.badge-veg { background: #dcefd6; color: #2f5d24; }
.badge-hot { background: #f8d6cc; color: var(--red-dark); }
.combo { margin-top: 20px; padding: 24px 22px; border-radius: 20px; background: var(--char); color: var(--on-dark); position: relative; overflow: hidden; }
.combo::after { content: ""; position: absolute; right: -40px; bottom: -40px; width: 140px; height: 140px; border-radius: 50%; border: 18px solid rgba(242, 179, 61, .15); }
.combo-tag { margin-bottom: 4px; color: var(--gold); font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.combo-price { font: 900 2.4rem/1 var(--display); color: #fff; margin-bottom: 12px; }
.combo p:not(.combo-tag):not(.combo-price) { color: var(--on-dark-muted); font-size: .95rem; }
.combo .btn { position: relative; z-index: 1; }
.menu-note { text-align: center; color: var(--muted); font-size: .88rem; margin: 22px 0 0; }
@media (min-width: 900px) { .menu-board { grid-template-columns: 1fr 1fr; gap: 56px; padding: 52px 52px; } }

/* Đặt bàn & dịch vụ */
.services { background: var(--char-2); color: var(--on-dark); }
.services h2, .services h3 { color: #fff; }
.svc-grid { display: grid; gap: 18px; }
.svc { padding: 28px 24px; border-radius: 22px; background: var(--char-3); border: 1px solid #4a372e; display: flex; flex-direction: column; }
.svc-ico { width: 48px; height: 48px; margin-bottom: 14px; fill: none; stroke: var(--gold); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.svc ul { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 8px; }
.svc li { position: relative; padding-left: 20px; color: var(--on-dark-muted); font-size: .95rem; }
.svc li::before { content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 8px; border-radius: 2px; background: var(--red); transform: rotate(45deg); }
.svc .btn { margin-top: auto; }
.space { list-style: none; margin: 34px 0 0; padding: 0; display: grid; gap: 12px; }
.space li { display: flex; align-items: baseline; gap: 12px; padding: 16px 0; border-top: 1px solid #4a372e; }
.space strong { font: 900 2.4rem/1 var(--display); color: var(--gold); min-width: 2.2em; }
.space span { color: var(--on-dark-muted); }
@media (min-width: 900px) {
  .svc-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .space { grid-template-columns: repeat(3, 1fr); gap: 28px; }
}

/* Cảm nhận */
.rv-grid { display: grid; gap: 18px; }
.rv { margin: 0; padding: 28px 24px; border-radius: 22px; background: var(--paper); border: 2px solid var(--char); display: flex; flex-direction: column; }
.rv-alt { background: var(--gold); }
.rv blockquote { margin: 0 0 16px; }
.rv blockquote p { margin: 0; font: italic 600 1.18rem/1.45 var(--display); }
.rv figcaption { margin-top: auto; font-weight: 700; font-size: .9rem; color: var(--muted); }
.rv-alt figcaption { color: var(--ink); }
@media (min-width: 900px) { .rv-grid { grid-template-columns: repeat(3, 1fr); } .rv-alt { transform: translateY(18px); } }

/* Hỏi đáp */
.faq { background: var(--paper); border-top: 1px solid var(--line); }
.faq-wrap { display: grid; gap: 10px; }
.faq-list { display: grid; gap: 10px; }
.faq details { border-radius: 16px; background: var(--cream); border: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 14px; min-height: 58px; padding: 14px 20px; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: var(--red); color: #fff; font-size: 1.2rem; font-weight: 700; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 20px 18px; color: var(--muted); }
@media (min-width: 900px) { .faq-wrap { grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; } }

/* Liên hệ */
.contact { background: var(--char); color: var(--on-dark); }
.contact h2 { color: #fff; }
.contact-grid { display: grid; gap: 30px; align-items: center; }
.info { margin: 0 0 26px; display: grid; gap: 14px; }
.info div { padding-bottom: 14px; border-bottom: 1px solid #3a2a23; }
.info dt { font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.info dd { margin: 2px 0 0; font-size: 1.05rem; color: var(--on-dark); }
.info a { color: #fff; font: 900 1.6rem var(--display); text-decoration: none; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.river { border-radius: 24px; overflow: hidden; border: 2px solid #4a372e; }
.river svg { width: 100%; height: auto; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 56px; } }

/* Chân trang */
.site-footer { background: #150e0c; color: var(--on-dark-muted); padding: 40px 0 120px; font-size: .9rem; }
.footer-inner p { margin: 0 0 6px; }
.footer-brand { font: 900 1.8rem/1.1 var(--display); color: var(--gold); }
.footer-note { font-size: .82rem; color: #a8927d; }
@media (min-width: 900px) { .site-footer { padding-bottom: 48px; } }

@media (max-width: 420px) {
  .hero-actions .btn, .contact-actions .btn { flex: 1 1 100%; }
  .sticker { width: 92px; height: 92px; font-size: .68rem; right: 0; top: 0; }
  .sticker strong { font-size: 1.6rem; }
  .menu-board { padding: 22px 16px; }
}

/* Ảnh thật món ăn: khung viền đậm, bóng lệch như thẻ menu */
.hero-art .hero-photo { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 28px;
  border: 3px solid var(--gold); box-shadow: 14px 14px 0 var(--red), 0 30px 60px -20px rgba(0, 0, 0, .6); }