/* ===========================================================================
   AINA Steak & Seafood — site styles
   Palette derived from the restaurant interior:
     crimson walls · warm-black steel · Calacatta marble · amber glow · espresso
   =========================================================================== */

:root {
  --crimson:      #9e1b1b;   /* deep brand red (walls / logo) */
  --crimson-deep: #7a1414;
  --crimson-lite: #c0392b;
  --ink:          #16110f;   /* warm near-black (beams / ceiling) */
  --ink-2:        #211a17;
  --char:         #2c231f;   /* espresso brown */
  --marble:       #f6f1e7;   /* marble cream */
  --marble-2:     #ece4d5;
  --amber:        #d4a24c;   /* warm pendant glow / gold accent */
  --amber-lite:   #e9c789;
  --paper:        #faf6ef;
  --muted:        #b7a99a;

  --serif: "Playfair Display", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;

  --maxw: 1160px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--marble);
  background: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif { font-family: var(--serif); font-weight: 700; line-height: 1.1; }

a { color: var(--amber-lite); text-decoration: none; }
a:hover { color: var(--amber); }

img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .28em;
  font-size: .72rem;
  font-weight: 600;
  color: var(--amber);
}

.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 2px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: .82rem;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.btn-primary { background: var(--crimson); color: #fff; }
.btn-primary:hover { background: var(--crimson-lite); color: #fff; transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--amber); color: var(--amber); }
.btn-ghost:hover { background: var(--amber); color: var(--ink); }

/* ---- Top nav ---------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(22, 17, 15, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212, 162, 76, .18);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav .brand { display: flex; align-items: baseline; gap: .5rem; }
.nav .brand .mark {
  font-family: var(--serif); font-size: 1.7rem; font-weight: 700;
  letter-spacing: .18em; color: var(--marble);
}
.nav .brand .mark b { color: var(--crimson-lite); }
.nav .brand .sub { font-size: .62rem; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); }
.nav .links { display: flex; gap: 30px; align-items: center; }
.nav .links a {
  color: var(--marble); font-size: .82rem; letter-spacing: .1em;
  text-transform: uppercase; font-weight: 500;
}
.nav .links a:hover { color: var(--amber); }
.nav .links .btn { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; color: var(--marble); font-size: 1.6rem; cursor: pointer; }

/* ---- Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 84vh;
  display: flex; align-items: center;
  text-align: center;
  overflow: hidden;
  /* Layered crimson→ink with an amber spotlight; swap in a real photo later. */
  background:
    radial-gradient(120% 90% at 50% 8%, rgba(212,162,76,.16), transparent 55%),
    radial-gradient(90% 120% at 50% 120%, rgba(158,27,27,.55), transparent 60%),
    linear-gradient(180deg, #1b1310 0%, #120c0a 60%, #0e0908 100%);
}
.hero::before {
  /* faint marble veining texture on the floor edge */
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,.015) 0 2px, transparent 2px 26px);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero .badge {
  width: 120px; height: 120px; margin: 0 auto 26px;
  display: grid; place-items: center;
  border: 2px solid var(--crimson-lite); border-radius: 50%;
  color: var(--crimson-lite);
  box-shadow: 0 0 0 6px rgba(158,27,27,.12);
}
.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  letter-spacing: .06em; margin: 0 0 .2em; color: var(--paper);
  text-shadow: 0 2px 30px rgba(0,0,0,.5);
}
.hero h1 .amp { color: var(--crimson-lite); font-style: italic; }
.hero .tagline {
  font-size: clamp(1rem, 2.2vw, 1.35rem); letter-spacing: .22em;
  text-transform: uppercase; color: var(--amber); margin: 0 0 1.6em;
}
.hero .cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- Section scaffolding --------------------------------------------- */
section { padding: 92px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.section-head h2 { font-size: clamp(2rem, 4.5vw, 3rem); margin: .3em 0 .35em; color: var(--paper); }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.rule { width: 64px; height: 2px; background: var(--amber); margin: 14px auto 0; border: 0; }

.about { background: linear-gradient(180deg, #120c0a, #1a1310); }
.about .grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.about .photo {
  aspect-ratio: 4 / 3; border-radius: 4px;
  background:
    radial-gradient(80% 80% at 30% 20%, rgba(212,162,76,.22), transparent 60%),
    linear-gradient(135deg, var(--crimson-deep), var(--ink));
  border: 1px solid rgba(212,162,76,.2);
  display: grid; place-items: center; color: rgba(255,255,255,.25);
  font-family: var(--serif); letter-spacing: .2em; text-transform: uppercase; font-size: .8rem;
}
.about h2 { color: var(--paper); font-size: clamp(1.8rem, 4vw, 2.6rem); }

/* ---- Menu ------------------------------------------------------------- */
.menu { background: var(--ink); }
.menu-tabs {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;
  margin: 0 auto 48px; max-width: 900px;
}
.menu-tab {
  font-family: var(--sans); cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1px solid rgba(212,162,76,.28); border-radius: 2px;
  padding: 10px 22px; font-size: .78rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  transition: all .2s var(--ease);
}
.menu-tab:hover { color: var(--amber); border-color: var(--amber); }
.menu-tab.active { background: var(--crimson); color: #fff; border-color: var(--crimson); }
.menu-panel { display: none; animation: fade .35s var(--ease); }
.menu-panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.menu-cat { margin-bottom: 56px; }
.menu-cat > h3 {
  font-size: 1.7rem; color: var(--amber);
  display: flex; align-items: baseline; gap: 16px; margin: 0 0 4px;
}
.menu-cat > h3::after { content: ""; flex: 1; height: 1px; background: rgba(212,162,76,.28); }
.menu-cat .cat-desc { color: var(--muted); font-style: italic; margin: 0 0 22px; }
.menu-item {
  display: grid; grid-template-columns: 1fr auto; gap: 6px 18px;
  padding: 15px 0; border-bottom: 1px dashed rgba(255,255,255,.08);
}
.menu-item .mi-name { font-family: var(--serif); font-size: 1.2rem; color: var(--paper); font-weight: 600; }
.menu-item .mi-price { font-family: var(--serif); font-size: 1.15rem; color: var(--amber); white-space: nowrap; }
.menu-item .mi-desc { grid-column: 1 / -1; color: var(--muted); font-size: .95rem; max-width: 60ch; }
.menu-note { text-align: center; color: var(--muted); font-size: .9rem; margin-top: 10px; font-style: italic; }

/* ---- Visit / footer --------------------------------------------------- */
.visit { background: linear-gradient(180deg, #1a1310, #120c0a); }
.visit .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.visit .card h3 { color: var(--amber); font-size: 1.2rem; letter-spacing: .04em; margin: 0 0 .5em; }
.visit .card p { color: var(--marble); margin: 0; }

.site-footer {
  background: #0c0807; border-top: 1px solid rgba(212,162,76,.15);
  padding: 40px 0; text-align: center; color: var(--muted); font-size: .85rem;
}
.site-footer .mark { font-family: var(--serif); color: var(--marble); letter-spacing: .18em; font-size: 1.1rem; }
.site-footer a { color: var(--muted); }

/* ---- Responsive ------------------------------------------------------- */
@media (max-width: 820px) {
  .nav .links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--ink-2);
    border-bottom: 1px solid rgba(212,162,76,.18);
    max-height: 0; overflow: hidden; transition: max-height .3s var(--ease);
  }
  .nav .links.open { max-height: 420px; }
  .nav .links a, .nav .links .btn { padding: 16px 24px; width: 100%; text-align: center; border-radius: 0; }
  .nav-toggle { display: block; }
  .about .grid, .visit .grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
}