/* =========================================================================
   SOTO SUSHI — styles.css
   Dark nocturnal / izakaya-after-dark. See DESIGN.md.
   ========================================================================= */

/* ---- Tokens ---- */
:root{
  --ink:#0C0C0E;
  --ink-2:#121215;
  --surface:#18171B;
  --surface-2:#211F25;
  --line:rgba(244,238,228,.10);
  --line-strong:rgba(244,238,228,.18);

  --cream:#F4EEE4;
  --cream-dim:#CFC8BC;
  --muted:#938C82;

  --coral:#FF4D3D;
  --coral-deep:#E0392B;
  --teal:#2BD4C0;
  --amber:#E3A85A;

  --font-display:"Shippori Mincho", Georgia, "Times New Roman", serif;
  --font-sans:"Hanken Grotesk", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --maxw:1240px;
  --gutter:clamp(20px,5vw,64px);
  --radius:3px;

  --ease:cubic-bezier(.22,1,.36,1);
  --shadow:0 24px 60px -24px rgba(0,0,0,.7);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--ink);
  color:var(--cream);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,picture,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}
::selection{background:var(--coral);color:#fff}

/* ---- Type scale ---- */
.display{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.02;
  letter-spacing:-.01em;
  font-size:clamp(2.6rem,7vw,6.2rem);
}
h2.section-title{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.06;
  letter-spacing:-.01em;
  font-size:clamp(1.9rem,4vw,3.3rem);
}
h3{font-family:var(--font-display);font-weight:500;font-size:clamp(1.2rem,2vw,1.5rem);line-height:1.15}
p{max-width:68ch}
.eyebrow{
  font-size:.72rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--coral);display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--coral);opacity:.8}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--cream-dim)}
.jp{font-family:var(--font-display);color:var(--amber)}

/* ---- Layout ---- */
.wrap{width:min(100% - var(--gutter)*2, var(--maxw));margin-inline:auto}
section{padding-block:clamp(64px,10vw,140px);position:relative}
.section-head{max-width:62ch;margin-bottom:clamp(32px,5vw,64px)}
.section-head p{margin-top:18px}

/* ---- Buttons ---- */
.btn{
  --bg:var(--coral);--fg:#fff;
  display:inline-flex;align-items:center;gap:.55em;
  background:var(--bg);color:var(--fg);
  padding:.92em 1.5em;border-radius:var(--radius);
  font-weight:600;font-size:.95rem;letter-spacing:.01em;
  transition:transform .35s var(--ease), background .25s, box-shadow .35s var(--ease);
  will-change:transform;
}
.btn:hover{background:var(--coral-deep);transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(255,77,61,.5)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--cream);box-shadow:inset 0 0 0 1px var(--line-strong)}
.btn--ghost:hover{background:rgba(244,238,228,.06);box-shadow:inset 0 0 0 1px var(--cream);transform:translateY(-2px)}
.btn--lg{padding:1.05em 1.9em;font-size:1rem}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* =========================================================================
   Header
   ========================================================================= */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--gutter);
  transition:padding .4s var(--ease), background .4s var(--ease), border-color .4s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  padding:11px var(--gutter);
  background:rgba(12,12,14,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
/* Wordmark (typeset from the real logo: そと / SOTO / sushi) */
.brand{display:flex;flex-direction:column;align-items:center;line-height:.9;gap:1px}
.brand .kana{font-family:var(--font-display);font-size:.78rem;color:var(--amber);letter-spacing:.35em;margin-left:.35em}
.brand .word{font-family:var(--font-sans);font-weight:800;font-size:1.32rem;letter-spacing:.42em;margin-left:.42em}
.brand .sub{font-size:.55rem;letter-spacing:.55em;text-transform:lowercase;color:var(--muted);margin-left:.55em}
.brand:hover .word{color:var(--cream)}

.nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,34px)}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2.2vw,30px)}
.nav-links a{
  font-size:.92rem;font-weight:500;color:var(--cream-dim);position:relative;padding:4px 0;
  transition:color .25s;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--coral);transition:width .3s var(--ease)}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--cream)}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{width:100%}

.nav-actions{display:flex;align-items:center;gap:14px}
.lang-toggle{
  display:inline-flex;align-items:center;gap:2px;
  border:1px solid var(--line-strong);border-radius:999px;padding:3px;font-size:.74rem;font-weight:700;letter-spacing:.04em;
}
.lang-toggle button{padding:4px 9px;border-radius:999px;color:var(--muted);transition:color .2s,background .3s var(--ease)}
.lang-toggle button[aria-pressed="true"]{background:var(--coral);color:#fff}

.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:8px;align-items:center;justify-content:center}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{content:"";display:block;width:18px;height:1.6px;background:var(--cream);transition:.3s var(--ease);position:relative}
.menu-toggle span::before{position:absolute;top:-6px}
.menu-toggle span::after{position:absolute;top:6px}
.menu-toggle[aria-expanded="true"] span{background:transparent}
.menu-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* =========================================================================
   Hero
   ========================================================================= */
.hero{min-height:100svh;display:flex;align-items:flex-end;position:relative;isolation:isolate;padding-bottom:clamp(48px,9vh,110px)}
.hero__media{position:absolute;inset:0;z-index:-2;overflow:hidden}
.hero__media img{width:100%;height:120%;object-fit:cover;will-change:transform}
.hero__media::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(120% 80% at 80% 10%, transparent, rgba(12,12,14,.2) 55%, var(--ink) 100%),
    linear-gradient(180deg, rgba(12,12,14,.55) 0%, rgba(12,12,14,.15) 35%, rgba(12,12,14,.85) 88%, var(--ink) 100%);
}
.hero__inner{position:relative;z-index:2}
.hero .display{margin:.18em 0 .35em;max-width:14ch}
.hero .display em{font-style:normal;color:var(--coral)}
.hero__lead{max-width:42ch;color:var(--cream-dim);font-size:clamp(1.05rem,1.7vw,1.3rem)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__scroll{position:absolute;right:var(--gutter);bottom:42px;z-index:2;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;writing-mode:vertical-rl}
.hero__scroll .dot{writing-mode:horizontal-tb;width:1px;height:46px;background:linear-gradient(var(--coral),transparent)}

/* =========================================================================
   Stats / social proof band
   ========================================================================= */
.proof{border-block:1px solid var(--line);background:var(--ink-2)}
.proof .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:clamp(34px,5vw,56px)}
.stat .n{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);color:var(--cream);line-height:1}
.stat .n .star{color:var(--amber);font-size:.6em}
.stat .l{margin-top:8px;color:var(--muted);font-size:.86rem;letter-spacing:.02em}
@media(max-width:720px){.proof .wrap{grid-template-columns:repeat(2,1fr);gap:30px 18px}}

/* =========================================================================
   Intro / about split
   ========================================================================= */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,90px);align-items:center}
.split--rev{grid-template-columns:.95fr 1.05fr}
.split__media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}
.split__media .tag{position:absolute;left:16px;bottom:16px;background:rgba(12,12,14,.7);backdrop-filter:blur(8px);border:1px solid var(--line);padding:8px 13px;border-radius:999px;font-size:.78rem;color:var(--cream-dim)}
.split ul.ticks{margin-top:24px;display:grid;gap:12px}
.split ul.ticks li{display:flex;gap:12px;color:var(--cream-dim)}
.split ul.ticks li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;background:var(--coral);transform:rotate(45deg)}
@media(max-width:860px){.split,.split--rev{grid-template-columns:1fr}.split__media img{aspect-ratio:16/11}}

/* =========================================================================
   Dish cards
   ========================================================================= */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px)}
.card{
  position:relative;border-radius:var(--radius);overflow:hidden;background:var(--surface);
  box-shadow:0 1px 0 var(--line);transition:transform .5s var(--ease),box-shadow .5s var(--ease);
  will-change:transform;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card__img{aspect-ratio:4/5;overflow:hidden}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card__img img{transform:scale(1.06)}
.card__body{padding:18px 20px 22px}
.card__body h3{margin-bottom:6px}
.card__body p{color:var(--muted);font-size:.92rem}
.card__price{position:absolute;top:14px;right:14px;background:rgba(12,12,14,.7);backdrop-filter:blur(8px);border:1px solid var(--line);color:var(--cream);font-weight:600;font-size:.86rem;padding:5px 11px;border-radius:999px}
@media(max-width:860px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}

/* =========================================================================
   Mural feature (full-bleed parallax)
   ========================================================================= */
.feature{position:relative;min-height:78vh;display:flex;align-items:center;isolation:isolate;overflow:hidden}
.feature__media{position:absolute;inset:0;z-index:-1;overflow:hidden}
.feature__media img{width:100%;height:118%;object-fit:cover;will-change:transform}
.feature__media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 8%,rgba(12,12,14,.55) 48%,rgba(12,12,14,.2) 100%)}
.feature__card{max-width:46ch;background:rgba(12,12,14,.5);backdrop-filter:blur(6px);border:1px solid var(--line);padding:clamp(24px,3vw,40px);border-radius:var(--radius)}
.feature__card p{margin-top:16px;color:var(--cream-dim)}

/* =========================================================================
   Menu (menu.html)
   ========================================================================= */
.menu-hero{padding-top:clamp(120px,18vh,200px);padding-bottom:clamp(30px,5vw,60px)}
.menu-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 8px;position:sticky;top:64px;z-index:20;
  padding:12px 0;background:linear-gradient(var(--ink),var(--ink) 70%,transparent)}
.menu-tabs a{font-size:.82rem;font-weight:600;color:var(--muted);padding:7px 13px;border:1px solid var(--line);border-radius:999px;transition:.25s var(--ease)}
.menu-tabs a:hover{color:var(--cream);border-color:var(--line-strong)}
.menu-cat{padding-block:clamp(34px,5vw,56px);border-top:1px solid var(--line)}
.menu-cat__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.menu-cat__head .jp{font-size:1.1rem}
.menu-list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 48px}
.m-item{display:grid;grid-template-columns:1fr auto;gap:8px 14px;align-items:baseline;padding:15px 0;border-bottom:1px dashed var(--line)}
.m-item__name{font-weight:600;color:var(--cream);letter-spacing:.01em}
.m-item__desc{grid-column:1/-1;color:var(--muted);font-size:.88rem;margin-top:-4px;max-width:54ch}
.m-item__price{font-family:var(--font-display);color:var(--amber);white-space:nowrap;font-size:1rem}
.m-item.vegan .m-item__name::after{content:"VG";margin-left:8px;font:700 .58rem/1 var(--font-sans);color:var(--teal);border:1px solid var(--teal);border-radius:3px;padding:2px 4px;vertical-align:middle;letter-spacing:.05em}
@media(max-width:760px){.menu-list{grid-template-columns:1fr;gap:0}}

/* =========================================================================
   Locations
   ========================================================================= */
.loc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px)}
.loc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .5s var(--ease),border-color .4s}
.loc:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.loc__img{aspect-ratio:3/2;overflow:hidden}
.loc__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.loc:hover .loc__img img{transform:scale(1.05)}
.loc__body{padding:22px}
.loc__body h3{margin-bottom:4px}
.loc__addr{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.loc__row{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;font-size:.9rem;color:var(--cream-dim)}
.loc__row a{color:var(--cream);border-bottom:1px solid var(--line-strong);padding-bottom:1px;transition:border-color .25s}
.loc__row a:hover{border-color:var(--coral)}
.loc__badge{font-size:.72rem;color:var(--amber);border:1px solid var(--gold-line,rgba(227,168,90,.35));padding:3px 8px;border-radius:999px}
@media(max-width:860px){.loc-grid{grid-template-columns:1fr;max-width:460px;margin-inline:auto}}

/* =========================================================================
   Gallery (masonry-ish)
   ========================================================================= */
.gallery{columns:3 240px;column-gap:14px}
.gallery figure{break-inside:avoid;margin-bottom:14px;border-radius:var(--radius);overflow:hidden;position:relative}
.gallery img{width:100%;transition:transform .8s var(--ease),filter .5s;filter:saturate(.92)}
.gallery figure:hover img{transform:scale(1.05);filter:saturate(1.08)}

/* =========================================================================
   Contact
   ========================================================================= */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,70px);align-items:start}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field label{font-size:.8rem;letter-spacing:.04em;color:var(--cream-dim);font-weight:600}
.field input,.field textarea{
  background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);
  color:var(--cream);padding:13px 15px;font:inherit;font-size:.95rem;transition:border-color .25s,background .25s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--coral);background:var(--surface-2)}
.form-note{font-size:.8rem;color:var(--muted);margin-top:6px}
.info-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.info-row .k{font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);min-width:92px;padding-top:3px}
.info-row .v{color:var(--cream);font-size:1.02rem}
.info-row .v a:hover{color:var(--coral)}
.map-embed{margin-top:26px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.map-embed iframe{display:block;width:100%;height:320px;border:0;filter:grayscale(.3) contrast(1.05) brightness(.9)}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding-block:clamp(48px,7vw,84px)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-top h4{font-size:.74rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);margin-bottom:16px;font-weight:700}
.footer-top a{color:var(--cream-dim);display:block;padding:5px 0;transition:color .2s}
.footer-top a:hover{color:var(--coral)}
.footer-brand .word{font-family:var(--font-sans);font-weight:800;letter-spacing:.4em;font-size:1.3rem}
.footer-brand .kana{font-family:var(--font-display);color:var(--amber);letter-spacing:.3em}
.footer-brand p{color:var(--muted);font-size:.9rem;margin-top:14px;max-width:34ch}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:40px;height:40px;border:1px solid var(--line-strong);border-radius:50%;display:grid;place-items:center;color:var(--cream-dim);transition:.3s var(--ease)}
.socials a:hover{color:#fff;background:var(--coral);border-color:var(--coral);transform:translateY(-3px)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.82rem}
.footer-bottom .disclaimer{max-width:70ch}
@media(max-width:860px){.footer-top{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:520px){.footer-top{grid-template-columns:1fr}}

/* =========================================================================
   Reveal (GSAP target) + reduced motion
   ========================================================================= */
.reveal{opacity:0;transform:translateY(24px)}
.is-ready .reveal{will-change:transform,opacity}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
  .hero__media img,.feature__media img{height:100%!important}
}
/* no-JS / fallback: never leave content invisible */
.no-js .reveal{opacity:1;transform:none}

/* =========================================================================
   Mobile nav
   ========================================================================= */
@media(max-width:880px){
  .menu-toggle{display:flex}
  .nav-links{
    position:fixed;inset:0 0 0 auto;width:min(82vw,360px);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:26px;
    background:var(--ink-2);border-left:1px solid var(--line);padding:40px var(--gutter);
    transform:translateX(100%);transition:transform .45s var(--ease);z-index:45;
  }
  .nav-links a{font-size:1.25rem;color:var(--cream)}
  body.nav-open .nav-links{transform:translateX(0)}
  body.nav-open::after{content:"";position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:44}
}