/* ============================================================
   OKA Onigiri — Berlin's first Onigiri Chef's Table
   Design system: warm charcoal · cream · gold · matcha
   Type: Shippori Mincho (display) · Inter (body) · Space Mono (labels)
   ============================================================ */

:root {
  --bg:        #100f0c;
  --bg-2:      #17150f;
  --bg-3:      #1d1a13;
  --ink:       #f4eee2;
  --ink-soft:  #b6ad9b;
  --ink-faint: #7d756650;
  --accent:    #c9a35b;   /* warm gold / sake */
  --accent-2:  #6d7d5e;   /* muted matcha */
  --line:      rgba(244, 238, 226, 0.13);
  --line-soft: rgba(244, 238, 226, 0.07);

  --serif: "Shippori Mincho", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "Space Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --container: 1200px;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.15; letter-spacing: 0.005em; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
}

.jp { font-family: var(--serif); color: var(--accent-2); font-weight: 500; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--pad); }

section { padding-block: clamp(4.5rem, 11vw, 9rem); }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); max-width: 56ch; }

.section-head { max-width: 60ch; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head h2 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 0.8rem 0 1.2rem; }

/* ---------- Buttons ---------- */
.btn {
  --bw: 1px;
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 1rem 1.9rem; border: var(--bw) solid var(--accent); color: var(--accent);
  background: transparent; cursor: pointer; border-radius: 2px;
  transition: background .45s var(--ease), color .45s var(--ease), transform .3s var(--ease);
}
.btn:hover { background: var(--accent); color: var(--bg); transform: translateY(-2px); }
.btn--solid { background: var(--accent); color: var(--bg); }
.btn--solid:hover { background: transparent; color: var(--accent); }
.btn--ghost { border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem var(--pad);
  transition: background .5s var(--ease), padding .5s var(--ease), border-color .5s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(16, 15, 12, 0.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  padding-block: 1rem; border-bottom-color: var(--line-soft);
}
.brand { display: flex; align-items: center; gap: 0.65rem; font-family: var(--serif); font-size: 1.35rem; letter-spacing: 0.18em; font-weight: 600; }
.brand .mark {
  width: 26px; height: 26px; display: grid; place-items: center; flex: none;
}
.brand .mark svg { width: 100%; height: 100%; }
.brand small { font-family: var(--mono); font-size: 0.5rem; letter-spacing: 0.3em; color: var(--ink-soft); display: block; margin-top: 2px; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 2.2rem; }
.nav a {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft);
  position: relative; padding-block: 4px; transition: color .3s var(--ease);
}
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--accent); transition: width .35s var(--ease); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.nav .btn { padding: 0.7rem 1.3rem; }
.nav .btn:hover { color: var(--bg); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 30px; height: 22px; position: relative; z-index: 120; }
.nav-toggle span { position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--ink); transition: transform .4s var(--ease), opacity .3s var(--ease), top .4s var(--ease); }
.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 18px; }
body.nav-open .nav-toggle span:nth-child(1) { top: 10px; transform: rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.92) brightness(0.62); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 90% at 75% 20%, transparent 30%, rgba(16,15,12,0.55) 100%),
    linear-gradient(180deg, rgba(16,15,12,0.75) 0%, rgba(16,15,12,0.30) 35%, rgba(16,15,12,0.92) 100%);
}
.hero__inner { padding-top: 6rem; max-width: 46ch; }
.hero h1 { font-size: clamp(2.8rem, 8vw, 6rem); line-height: 1.04; margin: 1.4rem 0 1.6rem; font-weight: 600; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero .lead { color: var(--ink); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.6rem; }
.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--ink-soft);
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
}
.hero__scroll::after { content: ""; width: 1px; height: 38px; background: linear-gradient(var(--accent), transparent); animation: scrollpulse 2.4s var(--ease) infinite; }
@keyframes scrollpulse { 0%,100%{ opacity:.3; transform: scaleY(.6);} 50%{ opacity:1; transform: scaleY(1);} }

/* ---------- Marquee strip ---------- */
.strip { border-block: 1px solid var(--line-soft); background: var(--bg-2); overflow: hidden; }
.strip__track { display: flex; gap: 3.5rem; white-space: nowrap; padding-block: 1rem; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); width: max-content; animation: marquee 38s linear infinite; }
.strip__track span { display: inline-flex; align-items: center; gap: 3.5rem; }
.strip__track span::after { content: "🍙"; filter: grayscale(1) opacity(.6); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Intro / split ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 6vw, 5.5rem); align-items: center; }
.split--reverse .split__media { order: -1; }
.split__media { position: relative; }
.split__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 3px; }
.split__media .tag {
  position: absolute; bottom: 1rem; left: 1rem; background: rgba(16,15,12,0.8); backdrop-filter: blur(6px);
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent);
  padding: 0.55rem 0.9rem; border: 1px solid var(--line);
}
.split__body h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); margin: 0.8rem 0 1.4rem; }
.split__body p + p { margin-top: 1.1rem; }
.split__body .btn { margin-top: 2.2rem; }
.quote-jp { font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2rem); color: var(--accent-2); margin-bottom: 0.4rem; }

/* ---------- Feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 1.5rem; }
.card {
  background: var(--bg-2); border: 1px solid var(--line-soft); border-radius: 3px; overflow: hidden;
  transition: transform .5s var(--ease), border-color .5s var(--ease);
}
.card:hover { transform: translateY(-6px); border-color: var(--line); }
.card__img { aspect-ratio: 1/1; overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.card:hover .card__img img { transform: scale(1.06); }
.card__body { padding: 1.5rem 1.5rem 1.8rem; }
.card__body h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.card__body p { color: var(--ink-soft); font-size: 0.95rem; }
.card__price { font-family: var(--mono); color: var(--accent); font-size: 0.85rem; margin-top: 1rem; display: block; }

/* ---------- Info / hours + location ---------- */
.info { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: stretch; }
.panel { background: var(--bg-2); border: 1px solid var(--line-soft); border-radius: 3px; padding: clamp(1.8rem, 4vw, 3rem); }
.hours-list { list-style: none; margin-top: 1.5rem; }
.hours-list li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line-soft); font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.06em; }
.hours-list li:last-child { border-bottom: 0; }
.hours-list .day { color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.74rem; }
.hours-list .time { color: var(--ink); }
.hours-list li.today { color: var(--accent); }
.hours-list li.today .day, .hours-list li.today .time { color: var(--accent); }

.map-embed { border: 0; width: 100%; height: 100%; min-height: 280px; border-radius: 3px; filter: grayscale(1) invert(0.92) contrast(0.9); }

/* Static location card (robust fallback for a live map) */
.map-card {
  position: relative; min-height: 340px; display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(1.6rem, 4vw, 2.4rem); overflow: hidden; border-radius: 3px;
  background:
    radial-gradient(120% 90% at 30% 20%, rgba(201,163,91,0.10), transparent 55%),
    repeating-linear-gradient(0deg, transparent 0 38px, var(--line-soft) 38px 39px),
    repeating-linear-gradient(90deg, transparent 0 38px, var(--line-soft) 38px 39px),
    var(--bg-3);
}
.map-card::before {
  /* diagonal "road" accent */
  content: ""; position: absolute; inset: -20% -10%; pointer-events: none;
  background:
    linear-gradient(118deg, transparent 46%, rgba(201,163,91,0.16) 46.5%, rgba(201,163,91,0.16) 48%, transparent 48.5%),
    linear-gradient(28deg, transparent 60%, var(--line) 60.4%, var(--line) 61.4%, transparent 61.8%);
}
.map-card__pin {
  position: absolute; top: 38%; left: 50%; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem; text-align: center;
}
.map-card__pin svg { width: 40px; height: 40px; filter: drop-shadow(0 6px 14px rgba(0,0,0,0.5)); }
.map-card__pin span { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
.map-card__foot { position: relative; z-index: 1; background: linear-gradient(transparent, rgba(16,15,12,0.6)); }
.map-card__foot .where { font-family: var(--serif); font-size: 1.15rem; margin-bottom: 0.2rem; }
.map-card__foot .sub { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 1.2rem; }
@keyframes pindrop { 0% { transform: translate(-50%, -90%); opacity: 0; } 60% { transform: translate(-50%, -45%); } 100% { transform: translate(-50%, -50%); opacity: 1; } }
.reveal.in .map-card__pin { animation: pindrop 0.8s var(--ease) both; }
.address-block { margin-top: 1.5rem; font-style: normal; line-height: 1.9; color: var(--ink-soft); }
.address-block strong { color: var(--ink); font-weight: 500; }

/* ---------- Menu page ---------- */
.page-hero { padding-top: clamp(9rem, 16vw, 13rem); padding-bottom: clamp(2rem,5vw,3.5rem); text-align: center; }
.page-hero h1 { font-size: clamp(2.6rem, 7vw, 5rem); margin: 1rem 0 1.2rem; }
.page-hero .lead { margin-inline: auto; text-align: center; }

.menu-group + .menu-group { margin-top: clamp(3rem, 7vw, 5rem); }
.menu-group__head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2rem; }
.menu-group__head h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); white-space: nowrap; }
.menu-group__head .rule { flex: 1; height: 1px; background: var(--line); }
.menu-group__head .jp { font-size: 1rem; }

.menu-item { display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 1.5rem; padding: 1.3rem 0; border-bottom: 1px solid var(--line-soft); align-items: baseline; }
.menu-item__name { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; }
.menu-item__name .badge { font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-2); border: 1px solid var(--accent-2); padding: 2px 7px; border-radius: 999px; margin-left: 0.6rem; vertical-align: middle; }
.menu-item__price { font-family: var(--mono); color: var(--accent); font-size: 0.95rem; }
.menu-item__desc { grid-column: 1 / -1; color: var(--ink-soft); font-size: 0.95rem; max-width: 60ch; }

.menu-note { margin-top: 3rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--ink-soft); text-align: center; line-height: 2; }

/* ---------- Gallery ---------- */
.gallery-grid { columns: 3 240px; column-gap: 1rem; }
.gallery-grid figure { break-inside: avoid; margin-bottom: 1rem; position: relative; overflow: hidden; border-radius: 3px; cursor: zoom-in; }
.gallery-grid img { width: 100%; transition: transform .8s var(--ease), filter .5s var(--ease); filter: saturate(0.95); }
.gallery-grid figure:hover img { transform: scale(1.05); filter: saturate(1.1); }
.gallery-grid figcaption {
  position: absolute; inset: auto 0 0 0; padding: 1.4rem 1rem 0.9rem; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase;
  background: linear-gradient(transparent, rgba(16,15,12,0.85)); color: var(--ink); opacity: 0; transform: translateY(8px); transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.gallery-grid figure:hover figcaption { opacity: 1; transform: none; }

.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(8,7,5,0.94); backdrop-filter: blur(8px); display: grid; place-items: center; opacity: 0; pointer-events: none; transition: opacity .4s var(--ease); padding: var(--pad); }
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: min(92vw, 900px); max-height: 84vh; border-radius: 3px; box-shadow: 0 30px 80px rgba(0,0,0,0.6); }
.lightbox__close { position: absolute; top: 1.5rem; right: 1.5rem; background: none; border: 1px solid var(--line); color: var(--ink); width: 46px; height: 46px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; transition: background .3s, color .3s; }
.lightbox__close:hover { background: var(--ink); color: var(--bg); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); background: none; border: 0; color: var(--ink-soft); font-size: 2.4rem; cursor: pointer; padding: 1rem; transition: color .3s; }
.lightbox__nav:hover { color: var(--accent); }
.lightbox__nav.prev { left: 0.5rem; } .lightbox__nav.next { right: 0.5rem; }

/* ---------- Reservation form ---------- */
.reserve-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.reserve-aside .quote-jp { margin-bottom: 1rem; }
.reserve-aside ul { list-style: none; margin-top: 2rem; }
.reserve-aside li { display: flex; gap: 0.9rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line-soft); color: var(--ink-soft); font-size: 0.95rem; }
.reserve-aside li b { color: var(--accent); font-family: var(--mono); font-size: 0.8rem; }

form .field { margin-bottom: 1.4rem; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
label { display: block; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.6rem; }
input, select, textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line); color: var(--ink); font-family: var(--sans); font-size: 0.98rem;
  padding: 0.95rem 1.1rem; border-radius: 3px; transition: border-color .3s var(--ease), background .3s var(--ease);
}
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--accent); background: var(--bg-3); }
textarea { resize: vertical; min-height: 120px; }
input::placeholder, textarea::placeholder { color: var(--ink-faint); }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #b5564e; }
.field .error { display: none; color: #d98a83; font-size: 0.78rem; margin-top: 0.4rem; font-family: var(--mono); letter-spacing: 0.04em; }
.field.invalid .error { display: block; }
.form-status { margin-top: 1.3rem; font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.04em; padding: 1rem 1.2rem; border-radius: 3px; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(109,125,94,0.18); border: 1px solid var(--accent-2); color: #cfe0bf; }
form .btn { margin-top: 0.6rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line-soft); background: var(--bg-2); padding-block: clamp(3rem, 7vw, 5rem); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.site-footer .brand { margin-bottom: 1.2rem; }
.footer-col h4 { font-family: var(--mono); font-weight: 400; font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.2rem; }
.footer-col p, .footer-col a { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.95; display: block; transition: color .3s; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 3.5rem; padding-top: 1.8rem; border-top: 1px solid var(--line-soft); font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; color: var(--ink-faint); text-transform: uppercase; }
.footer-bottom a { color: var(--ink-soft); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .1s; }
.reveal[data-d="2"] { transition-delay: .2s; }
.reveal[data-d="3"] { transition-delay: .3s; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .split, .info, .reserve-wrap { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { columns: 2 180px; }
}
@media (max-width: 720px) {
  .nav {
    position: fixed; inset: 0; flex-direction: column; justify-content: center; gap: 2rem;
    background: rgba(16,15,12,0.97); backdrop-filter: blur(16px);
    transform: translateX(100%); transition: transform .5s var(--ease); padding: 2rem;
  }
  body.nav-open .nav { transform: none; }
  .nav a { font-size: 1rem; }
  .nav-toggle { display: block; }
  .site-header { padding-block: 1.1rem; }
  body.nav-open { overflow: hidden; }
  form .row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}