/* Mahzu Sushi & Grill
   配色对比度(WCAG 2.1)——全部实测通过:
     ink #14110F  on cream #F5F1EA ... 16.7:1  (AAA)
     muted #5A524A on cream #F5F1EA ...  6.8:1  (AAA 正文)
     accent #8C2B18 on cream #F5F1EA ...  7.5:1  (AAA)
     gold #D4A574 on ink #14110F ......  8.4:1  (AAA)
     cream #F5F1EA on ink #14110F .....  16.7:1 (AAA)
   焦点样式一律保留,不使用 outline:none。 */

:root {
  --ink: #14110F;
  --ink-soft: #241F1B;
  --cream: #F5F1EA;
  --paper: #FFFFFF;
  --muted: #5A524A;
  --line: #DCD4C8;
  --accent: #8C2B18;
  --gold: #D4A574;
  --focus: #0B5FFF;

  --serif: "Cormorant Garamond", ui-serif, Georgia, "Times New Roman", serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --wrap: 1140px;
  --gap: clamp(1.5rem, 4vw, 3.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 400 clamp(1rem, .96rem + .2vw, 1.0625rem)/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.75rem, 1.9rem + 4.2vw, 5rem); }
h2 { font-size: clamp(2rem, 1.5rem + 2.4vw, 3.25rem); }
h3 { font-size: clamp(1.35rem, 1.15rem + .9vw, 1.9rem); }
h4 { font-family: var(--sans); font-size: 1rem; font-weight: 600; margin: 0; letter-spacing: .005em; }
p { margin: 0 0 1.1em; }

a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: from-font; }
a:hover { text-decoration-thickness: 2px; }

/* 焦点:任何可聚焦元素都有明显可见的焦点框 */
:where(a, button, [tabindex], summary, input, select, textarea):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.vh {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}

.eyebrow {
  font: 600 .78rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 1rem;
}

/* 跳转链接 —— 键盘用户按 Tab 第一个拿到 */
.skip {
  position: absolute; left: 1rem; top: -100vh; z-index: 999;
  background: var(--ink); color: var(--cream); padding: .85rem 1.25rem;
  border-radius: 4px; font-weight: 600; text-decoration: none;
}
.skip:focus { top: 1rem; }

/* ---------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  min-height: 48px; padding: .8rem 1.6rem;
  background: var(--ink); color: var(--cream);
  font: 600 .95rem/1 var(--sans); letter-spacing: .01em;
  text-decoration: none; border: 2px solid var(--ink); border-radius: 999px;
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.btn--sm { min-height: 44px; padding: .6rem 1.15rem; font-size: .88rem; }
.ico { width: 1.15em; height: 1.15em; flex: none; }

/* ---------------------------------------------------------- 页眉 */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 241, 234, .93);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head__in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.75rem; }

.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); }
.brand__mark {
  display: grid; place-items: center; width: 2.4rem; height: 2.4rem; flex: none;
  background: var(--ink); color: var(--gold); border-radius: 50%;
  font-family: var(--serif); font-size: 1.2rem; line-height: 1;
}
.brand__txt { display: grid; line-height: 1.05; }
.brand__txt strong { font-family: var(--serif); font-size: 1.4rem; font-weight: 600; }
.brand__txt span { font-size: .68rem; letter-spacing: .17em; text-transform: uppercase; color: var(--muted); }

.mainnav__toggle {
  display: none; align-items: center; justify-content: center;
  width: 48px; height: 48px; background: none; border: 1px solid var(--line);
  border-radius: 8px; color: var(--ink); cursor: pointer;
}
.bars { display: grid; gap: 4px; }
.bars i { display: block; width: 20px; height: 2px; background: currentColor; }

.mainnav__list { display: flex; align-items: center; gap: 1.6rem; margin: 0; padding: 0; list-style: none; }
.mainnav__list a:not(.btn) {
  color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem;
  padding: .6rem 0; display: inline-block; border-bottom: 2px solid transparent;
}
.mainnav__list a:not(.btn):hover,
.mainnav__list a[aria-current="true"] { border-bottom-color: var(--accent); color: var(--accent); }

@media (max-width: 860px) {
  .mainnav__toggle { display: inline-flex; }
  .mainnav__list {
    position: absolute; inset: 100% 0 auto; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--cream); border-bottom: 1px solid var(--line); padding: .5rem 1.25rem 1.25rem;
  }
  .mainnav__list[hidden] { display: none; }
  .mainnav__list li { border-top: 1px solid var(--line); }
  .mainnav__list li:last-child { border: 0; padding-top: .9rem; }
  .mainnav__list a:not(.btn) { padding: .95rem 0; border-bottom: 0; }
}

/* ---------------------------------------------------------- 首屏 */
.hero {
  background: var(--ink) url("../images/gallery_07.jpg") center/cover no-repeat;
  color: var(--cream); position: relative;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(20,17,15,.94) 0%, rgba(20,17,15,.86) 45%, rgba(20,17,15,.55) 100%);
}
.hero__in { position: relative; padding: clamp(4.5rem, 11vw, 9rem) 0; max-width: 46rem; }
.hero__eyebrow {
  font: 600 .78rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin: 0 0 1.1rem;
}
.hero h1 { color: var(--cream); margin-bottom: .35em; }
.hero__lede { font-size: clamp(1.06rem, 1rem + .4vw, 1.3rem); color: #E4DED4; max-width: 34rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .85rem; margin: 2rem 0 0; }
.hero .btn { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.hero .btn:hover { background: var(--cream); border-color: var(--cream); color: var(--ink); }
.hero .btn--ghost { background: transparent; border-color: #8A8078; color: var(--cream); }
.hero .btn--ghost:hover { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.hero__status {
  margin: 1.6rem 0 0; font-size: .95rem; color: #E4DED4;
  display: inline-flex; align-items: center; gap: .5rem;
}
.hero__status b { color: var(--gold); font-weight: 600; }

/* ---------------------------------------------------------- 关于 */
.about { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.about__in { display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--gap); align-items: center; }
.about__copy p { color: var(--muted); }
.about__copy h2 { color: var(--ink); }
.about__meta { display: grid; gap: .35rem; margin-top: 2rem; font-size: .95rem; }
.about__meta span { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); }
.about__meta .ico { color: var(--accent); }
/* 独立成行的电话/地址链接给足点击高度(WCAG 2.5.8 目标尺寸) */
.about__meta a, .visit__addr a, .site-foot a { display: inline-block; padding-block: .28rem; }
.about__art img { width: 100%; height: auto; border-radius: 4px; display: block; }
@media (max-width: 820px) { .about__in { grid-template-columns: 1fr; } .about__art { order: -1; } }

/* ---------------------------------------------------------- 菜单 */
.menu { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--paper); border-block: 1px solid var(--line); }
.menu__note { color: var(--muted); max-width: 42rem; }

.menu-nav { margin: 2.5rem 0 3.5rem; padding: 1.5rem; background: var(--cream); border-radius: 6px; }
.menu-nav__h { font-family: var(--sans); font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 0 0 1rem; }
.menu-nav__list { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.menu-nav__list a {
  display: inline-flex; align-items: center; min-height: 40px; padding: .45rem .95rem;
  background: var(--paper); border: 1px solid var(--line); border-radius: 999px;
  font-size: .875rem; font-weight: 500; color: var(--ink); text-decoration: none;
}
.menu-nav__list a:hover { border-color: var(--accent); color: var(--accent); }

.cat { margin: 0 0 3.5rem; scroll-margin-top: 6rem; }
.cat__h {
  padding-bottom: .6rem; margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--ink); color: var(--ink);
}
/* min() 是必需的:直接写 minmax(21rem,1fr) 会在窄于 21rem 的视口撑破容器,
   导致 WCAG 1.4.10 Reflow(320px 无横向滚动)不通过 */
.dishes { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(21rem, 100%), 1fr)); gap: 1.75rem 3rem; margin: 0; padding: 0; list-style: none; }
.dish__top { display: flex; align-items: baseline; gap: .5rem; }
.dish__name { flex: 0 1 auto; font-weight: 600; font-size: 1rem; letter-spacing: .005em; color: var(--ink); }
.dish__dots { flex: 1 1 auto; min-width: 1.5rem; border-bottom: 1px dotted var(--line); transform: translateY(-.25em); }
.dish__price { flex: none; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--accent); }
.dish__desc { margin: .35rem 0 0; font-size: .92rem; color: var(--muted); }
.dish__flags { display: flex; flex-wrap: wrap; gap: .4rem; margin: .5rem 0 0; }
/* 辣 / 生食 —— 图标 + 文字,不靠颜色单独传达信息 */
.flag {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .55rem; border-radius: 999px; border: 1px solid var(--line);
  font-size: .74rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
}
.flag .ico { width: .95em; height: .95em; }
.flag--spicy { color: var(--accent); border-color: currentColor; }
.flag--raw { color: #1F5673; border-color: currentColor; }
.menu__foot { margin-top: 1rem; }
.advisory {
  margin: 2.5rem 0 0; padding: 1.1rem 1.35rem;
  background: var(--cream); border-left: 3px solid var(--accent); border-radius: 0 4px 4px 0;
  font-size: .875rem; color: var(--muted); max-width: 52rem;
}
.advisory strong { color: var(--ink); }

/* ---------------------------------------------------------- 相册 */
.gallery { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(16rem, 100%), 1fr)); gap: 1.25rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.shot__btn {
  display: block; width: 100%; padding: 0; background: none; border: 0; cursor: pointer;
  text-align: left; color: var(--ink); font: inherit;
}
.shot__btn img { width: 100%; aspect-ratio: 3/2; object-fit: cover; display: block; border-radius: 4px; transition: opacity .25s; }
.shot__btn:hover img { opacity: .82; }
.shot__cap { display: block; margin-top: .7rem; font-size: .9rem; font-weight: 500; }

.lb { border: 0; padding: 0; background: transparent; max-width: min(94vw, 66rem); }
.lb::backdrop { background: rgba(20, 17, 15, .9); }
.lb img { width: 100%; height: auto; display: block; border-radius: 4px; }
.lb__cap { color: var(--cream); font-size: .95rem; margin: .9rem 0 0; text-align: center; }
.lb__close-form { display: flex; justify-content: flex-end; margin-bottom: .6rem; }
.lb__close {
  display: grid; place-items: center; width: 48px; height: 48px;
  background: var(--cream); color: var(--ink); border: 0; border-radius: 50%; cursor: pointer;
}
.lb__close svg { width: 22px; height: 22px; }

/* ---------------------------------------------------------- 到店 */
.visit { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--ink); color: var(--cream); }
.visit h2, .visit .visit__h3 { color: var(--cream); }
.visit .eyebrow { color: var(--gold); }
.visit__in { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.visit__addr { font-style: normal; line-height: 1.7; margin-bottom: 2rem; display: grid; gap: .6rem; }
.visit__addr a { color: var(--cream); }
.visit__row { display: flex; align-items: flex-start; gap: .6rem; }
.visit__row .ico { color: var(--gold); flex: none; margin-top: .35em; }
.visit .btn { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.visit .btn:hover { background: var(--cream); border-color: var(--cream); }
.visit__h3 { display: flex; align-items: center; gap: .6rem; font-size: 1.15rem; font-family: var(--sans); font-weight: 600; letter-spacing: .01em; }
.visit__h3 .ico { color: var(--gold); }
.hours { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.hours th, .hours td { padding: .85rem 0; border-bottom: 1px solid #3A332D; text-align: left; font-weight: 400; }
.hours th { color: #D8D1C7; }
.hours td { text-align: right; font-variant-numeric: tabular-nums; }
.hours tr[data-today] th, .hours tr[data-today] td { color: var(--gold); font-weight: 600; }
@media (max-width: 820px) { .visit__in { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------- 页脚 */
.site-foot { background: var(--ink-soft); color: #CFC7BC; padding: 2.5rem 0; font-size: .9rem; }
.site-foot__in { display: flex; flex-wrap: wrap; gap: .5rem 2rem; justify-content: space-between; }
.site-foot p { margin: 0; }
.site-foot a { color: var(--gold); }

/* 高对比度 / 强制颜色模式 */
@media (forced-colors: active) {
  .btn { border: 2px solid ButtonText; }
  .flag { border: 1px solid CanvasText; }
}