/* ===== Unagi Shokudo — demo cơm lươn Nhật của HAYWEB =====
   Concept "一 khay · 四 cách" — editorial washoku: sumi charcoal + tare amber + triện đỏ + washi cream.
   Kỷ luật kỹ thuật nền (lining-nums, reveal, CSP-safe) — bộ mặt editorial washoku riêng.
   Display serif = Fraunces variable self-host (có subset vietnamese — Georgia vỡ dấu ố/ầ/ế → đã thay). */
@font-face{
  font-family:"Fraunces Var";font-style:normal;font-display:swap;font-weight:100 900;
  src:url("../fonts/fraunces-vietnamese.woff2") format("woff2");
  unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face{
  font-family:"Fraunces Var";font-style:normal;font-display:swap;font-weight:100 900;
  src:url("../fonts/fraunces-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
:root{
  --sumi:#191410;        /* than sumi gần đen */
  --sumi-2:#241c15;
  --ink:#2b2119;         /* chữ trên washi */
  --ink-soft:#5c4f42;
  --tare:#c68a3e;        /* men sốt tare / cánh gián */
  --tare-2:#e0ad63;
  --tare-deep:#8a531f;
  --vermilion:#b23c28;   /* đỏ triện */
  --washi:#f3ebdd;       /* giấy washi */
  --washi-2:#faf4e8;
  --wood:#d8c2a0;
  --line:rgba(43,33,25,.14);
  --line-light:rgba(243,235,221,.18);
  --serif:"Fraunces Var",Georgia,"Times New Roman",serif;   /* editorial washoku · VN-safe */
  --sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --cjk:"Yu Mincho","Hiragino Mincho ProN","Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,"MS Gothic","Microsoft YaHei",serif;
  --wrap:1180px;
  --r:14px;
  --shadow:0 24px 60px -28px rgba(15,10,6,.55);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:92px}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--washi);
  line-height:1.62;
  font-variant-numeric:lining-nums tabular-nums;   /* số ngay ngắn, không nhấp nhô (QA) */
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.amber{color:var(--tare)}
/* Display serif treatment — opsz cao cho dáng editorial + số lining (chống nhấp nhô) */
.h2,.hero__title,.hero__name,.brand__name,.fire h3,.step__body h3,.menu__cat,
.price__num,.story__media figcaption,.soon__box h2,.signature__left .h2{
  font-variation-settings:'opsz' 140,'SOFT' 0,'WONK' 0;
  font-feature-settings:'lnum' 1,'tnum' 1;
}

/* ---- Type helpers ---- */
.eyebrow{display:inline-block;font-size:.74rem;letter-spacing:.28em;text-transform:uppercase;
  font-weight:700;color:var(--vermilion);margin-bottom:16px}
.eyebrow--amber{color:var(--tare-2)}
.h2{font-family:var(--serif);font-weight:700;font-size:clamp(1.75rem,3.8vw,2.85rem);
  line-height:1.14;color:var(--ink);letter-spacing:-.01em}
.h2--light{color:var(--washi-2)}
.section{padding:clamp(66px,9vw,124px) 0;position:relative}
.section--sumi{background:var(--sumi);color:var(--washi)}
.section--washi{background:var(--washi-2)}
.section__head{max-width:760px;margin-bottom:clamp(36px,5vw,58px)}
.section__head--center{margin-inline:auto;text-align:center}
.section__sub{margin-top:14px;font-size:1.05rem;color:var(--ink-soft)}
.section__sub a{color:var(--vermilion);font-weight:600;border-bottom:1px solid transparent}
.section__sub a:hover{border-color:currentColor}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--sans);font-weight:600;font-size:.98rem;padding:.8em 1.5em;border-radius:8px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,color .25s,border-color .25s}
.btn--solid{background:var(--vermilion);color:#fff;box-shadow:0 12px 26px -12px rgba(178,60,40,.75)}
.btn--solid:hover{background:#9c3222;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--washi-2);border-color:rgba(243,235,221,.5)}
.btn--ghost:hover{background:rgba(243,235,221,.1);transform:translateY(-2px)}
.btn--lg{padding:.95em 1.8em;font-size:1.04rem}

/* ---- Scroll progress (kinetic #1) ---- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:80;
  background:linear-gradient(90deg,var(--vermilion),var(--tare));transition:width .1s linear}

/* ---- Brand ---- */
.brand{display:flex;align-items:center;gap:11px;line-height:1}
.brand__mark{display:block}
.brand__text{display:flex;flex-direction:column;gap:2px}
.brand__name{font-family:var(--serif);font-weight:700;font-size:1.24rem;letter-spacing:.01em;color:var(--washi-2)}
.brand__jp{font-family:var(--cjk);font-size:.66rem;letter-spacing:.12em;color:var(--tare-2);opacity:.85}

/* ============ NAV (shrink on scroll — kinetic #8) ============ */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;padding:16px 0;transition:background .3s,box-shadow .3s,padding .3s}
.nav__inner{display:flex;align-items:center;gap:26px}
.nav__links{display:flex;gap:24px;margin-left:auto;font-weight:600;font-size:.95rem}
.nav__links a{color:var(--washi-2);opacity:.88;position:relative;padding:4px 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--tare);transition:width .3s}
.nav__links a:hover{opacity:1}.nav__links a:hover::after,.nav__links a.is-active::after{width:100%}
.nav__cta{padding:.55em 1.2em;font-size:.92rem}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:26px;height:2.5px;background:var(--washi-2);border-radius:2px;transition:.3s}
.nav--solid{background:rgba(21,16,11,.94);backdrop-filter:blur(10px);box-shadow:0 10px 30px -18px #000;padding:10px 0}
.nav--solid .brand__mark{width:36px;height:36px;transition:.3s}

/* ============ HERO (canvas sumi liền mạch, kanji + ảnh món điện ảnh) ============ */
.hero{position:relative;background:var(--sumi);color:var(--washi);overflow:hidden;
  padding:clamp(130px,17vh,190px) 0 0;text-align:center}
.hero::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(120% 80% at 50% 0%,rgba(198,138,62,.16),transparent 60%)}
.hero__kanji{position:absolute;top:clamp(40px,10vh,120px);left:50%;transform:translateX(-50%);
  font-family:var(--cjk);font-size:min(58vw,760px);line-height:.8;color:rgba(224,173,99,.07);
  z-index:0;pointer-events:none;user-select:none;will-change:transform}
.hero__inner{position:relative;z-index:2;max-width:840px}
.hero__eyebrow{font-size:.76rem;letter-spacing:.32em;text-transform:uppercase;font-weight:700;color:var(--tare-2);margin-bottom:22px}
.hero__wordmark{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:18px}
.hero__name{font-family:var(--serif);font-weight:700;font-size:clamp(1.5rem,3vw,2.2rem);color:var(--washi-2);letter-spacing:.02em}
.hero__alt{font-family:var(--cjk);font-size:.8rem;letter-spacing:.18em;color:var(--tare-2);opacity:.8}
.hero__title{font-family:var(--serif);font-weight:700;font-size:clamp(2.2rem,5.4vw,4.1rem);
  line-height:1.08;letter-spacing:-.015em;color:var(--washi-2)}
.hero__lead{margin:22px auto 0;font-size:clamp(1rem,1.4vw,1.18rem);color:rgba(243,235,221,.82);max-width:40em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.hero__chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px}
.chip{font-size:.86rem;padding:.5em 1em;border-radius:999px;border:1px solid var(--line-light);
  color:rgba(243,235,221,.85);background:rgba(243,235,221,.04)}
.chip--accent{border-color:rgba(224,173,99,.5);color:var(--tare-2)}
.hero__band{position:relative;margin-top:clamp(44px,6vw,72px);height:clamp(260px,38vw,460px);overflow:hidden}
.hero__band img{width:100%;height:100%;object-fit:cover;object-position:center 40%;
  animation:kb 26s ease-in-out infinite alternate}
@keyframes kb{from{transform:scale(1.04)}to{transform:scale(1.13)}}
.hero__band::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,var(--sumi),transparent 22%,transparent 78%,rgba(25,20,16,.4))}

/* ============ TICKER (marquee — kinetic #6) ============ */
.ticker{background:var(--vermilion);color:#fff;overflow:hidden;white-space:nowrap;padding:11px 0}
.ticker__row{display:inline-flex;gap:28px;align-items:center;font-weight:600;font-size:.92rem;
  letter-spacing:.06em;padding-left:100%;animation:marquee 26s linear infinite}
.ticker__row span{font-family:var(--cjk)}
.ticker .dot{opacity:.6}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-100%)}}

/* ============ STORY (chuyên một món) ============ */
.story{background:var(--washi)}
.story__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.story__text p{margin-top:16px;font-size:1.06rem;color:var(--ink-soft)}
.facts{list-style:none;display:flex;gap:34px;margin-top:34px;flex-wrap:wrap}
.facts li{display:flex;flex-direction:column}
.facts b{font-family:var(--serif);font-size:2.6rem;color:var(--vermilion);line-height:1}
.facts span{font-size:.85rem;color:var(--ink-soft);margin-top:6px;max-width:8em}
.story__media{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.story__media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .8s}
.story__media:hover img{transform:scale(1.05)}
.story__media figcaption{position:absolute;left:0;right:0;bottom:0;padding:36px 22px 16px;
  background:linear-gradient(transparent,rgba(20,14,9,.86));color:var(--washi-2);font-family:var(--serif)}

/* ============ CRAFT — than hồng hai lửa (độc nhất #1, ember glow) ============ */
.craft{overflow:hidden}
.ember{position:absolute;left:50%;top:38%;width:min(90vw,720px);height:min(90vw,720px);
  transform:translate(-50%,-50%);z-index:0;pointer-events:none;border-radius:50%;
  background:radial-gradient(circle,rgba(198,138,62,.22),rgba(178,60,40,.1) 40%,transparent 66%);
  animation:ember 5s ease-in-out infinite}
@keyframes ember{0%,100%{opacity:.55;transform:translate(-50%,-50%) scale(1)}50%{opacity:.9;transform:translate(-50%,-50%) scale(1.08)}}
.craft .wrap{position:relative;z-index:1}
.craft__grid{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:stretch;max-width:920px;margin:0 auto}
.fire{background:rgba(243,235,221,.05);border:1px solid var(--line-light);border-radius:var(--r);padding:34px 30px}
.fire__num{font-family:var(--cjk);font-size:3.4rem;line-height:1;color:var(--tare-2);display:block;margin-bottom:14px}
.fire h3{font-family:var(--serif);font-size:1.4rem;color:var(--washi-2);margin-bottom:12px}
.fire p{color:rgba(243,235,221,.78)}
.craft__arrow{align-self:center;font-size:2rem;color:var(--tare);opacity:.7}
.craft__media{margin:clamp(38px,5vw,56px) auto 0;max-width:960px;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.craft__media img{width:100%;height:clamp(220px,30vw,380px);object-fit:cover;object-position:center 55%}

/* ============ RITUAL — bốn cách thưởng (độc nhất #2, scroll-highlight) ============ */
.ritual{background:var(--washi)}
.ritual__grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(34px,5vw,66px);align-items:start}
.ritual__head{position:sticky;top:96px}
.ritual__lead{margin-top:16px;font-size:1.05rem;color:var(--ink-soft);max-width:34em}
.ritual__media{margin-top:26px;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.ritual__media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.steps{list-style:none;display:flex;flex-direction:column;gap:16px}
.step{display:flex;gap:22px;align-items:flex-start;padding:26px 26px;border-radius:var(--r);
  background:var(--washi-2);border:1px solid var(--line);transition:border-color .35s,background .35s,transform .35s,box-shadow .35s}
.step.is-active{border-color:var(--tare);background:#fff;transform:translateX(6px);box-shadow:var(--shadow)}
.step__num{font-family:var(--cjk);font-size:2.9rem;line-height:.9;color:var(--wood);transition:color .35s;flex:none;width:1.4em;text-align:center}
.step.is-active .step__num{color:var(--vermilion)}
.step__body h3{font-family:var(--serif);font-size:1.32rem;color:var(--ink);margin-bottom:8px}
.step__body p{color:var(--ink-soft)}

/* ============ SIGNATURE feature (độc nhất #3) ============ */
.signature{padding:clamp(48px,7vw,92px) 0}
.signature__card{position:relative;display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;
  overflow:hidden;background:var(--sumi);color:var(--washi);border-radius:20px;
  padding:clamp(34px,4vw,56px);box-shadow:var(--shadow)}
.signature__kanji{position:absolute;right:-.1em;bottom:-.28em;font-family:var(--cjk);font-size:16rem;
  line-height:.7;color:rgba(224,173,99,.09);z-index:0;pointer-events:none}
.signature__left{position:relative;z-index:1}
.signature__left .h2{color:var(--washi-2);margin-bottom:14px}
.signature__left p{color:rgba(243,235,221,.82)}
.signature__sub{font-family:var(--cjk);color:var(--tare-2);margin-top:10px;letter-spacing:.06em}
.signature__prices{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px}
.price{border:1px solid var(--line-light);border-radius:12px;padding:18px 22px;background:rgba(243,235,221,.04)}
.price__size{display:block;font-size:.82rem;letter-spacing:.06em;color:rgba(243,235,221,.72);text-transform:uppercase}
.price__num{font-family:var(--serif);font-size:2.6rem;line-height:1.1;color:var(--tare-2)}
.price__num small{font-size:1.1rem;margin-left:.1em}

/* ============ MENU ============ */
.menu{background:var(--washi)}
.menu__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px)}
.menu__cat{font-family:var(--serif);font-size:1.28rem;color:var(--vermilion);
  padding-bottom:12px;margin-bottom:8px;border-bottom:2px solid var(--line)}
.menu__item{display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:13px 0;border-bottom:1px dashed var(--line)}
.menu__item--star{background:linear-gradient(90deg,rgba(198,138,62,.1),transparent);
  margin:0 -12px;padding:14px 12px;border-radius:8px;border-bottom:1px dashed var(--line)}
.menu__item .nm{font-weight:600;color:var(--ink)}
.menu__item .tag{display:inline-block;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
  color:#fff;background:var(--vermilion);border-radius:4px;padding:2px 7px;margin-left:8px;vertical-align:middle}
.menu__item .pr{font-family:var(--serif);font-weight:700;color:var(--tare-deep);white-space:nowrap}
.menu__item .pr small{font-size:.7em;margin-left:1px}
.menu__hint{margin-top:14px;font-size:.9rem;color:var(--ink-soft)}

/* ============ GALLERY ============ */
.gallery__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:0 16px 40px -26px rgba(15,10,6,.5)}
.tile--wide{grid-column:span 1;grid-row:span 2}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.tile:not(.tile--wide) img{aspect-ratio:4/3}
.tile--wide img{aspect-ratio:auto;height:100%;min-height:100%}
.tile:hover img{transform:scale(1.06)}
.tile figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;
  background:linear-gradient(transparent,rgba(20,14,9,.85));color:var(--washi-2);
  font-family:var(--serif);font-size:1.02rem}

/* ============ SPACE ============ */
.space__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(34px,5vw,64px);align-items:center}
.space__tall{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.space__tall img{width:100%;aspect-ratio:3/4;object-fit:cover}
.space__text p{margin-top:16px;color:rgba(243,235,221,.82)}
.space__wide{margin-top:24px;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.space__wide img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ============ SOON (§5.2 — thay wizard) ============ */
.soon{padding:56px 20px;display:grid;place-items:center;background:var(--washi-2)}
.soon__box{max-width:640px;text-align:center;background:var(--washi);
  border:1px solid var(--line);border-radius:16px;padding:38px 32px;box-shadow:0 18px 44px -30px rgba(15,10,6,.5)}
.soon__tag{display:inline-block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--vermilion);border:1px solid currentColor;border-radius:999px;padding:4px 13px}
.soon__box h2{font-family:var(--serif);margin:.55em 0 .4em;font-size:clamp(1.5rem,3vw,2rem);color:var(--ink)}
.soon__box p{color:var(--ink-soft)}
.soon__box a{color:var(--vermilion);font-weight:700}
.soon__cta{display:inline-block;margin-top:18px;padding:13px 24px;border-radius:9px;
  background:var(--vermilion);color:#fff !important;text-decoration:none;transition:transform .25s,background .25s}
.soon__cta:hover{background:#9c3222;transform:translateY(-2px)}

/* ============ CONTACT ============ */
.contact{background:var(--washi)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center;margin-bottom:40px}
.contact__list{list-style:none;margin:24px 0 30px}
.contact__list li{display:flex;flex-direction:column;gap:3px;padding:14px 0;border-bottom:1px solid var(--line)}
.contact__list span{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.contact__list b{font-size:1.06rem;color:var(--ink);font-weight:600}
.contact__list a{color:var(--vermilion)}
.contact__media{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.contact__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.contact__map{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.contact__map iframe{width:100%;height:340px;border:0;display:block}

/* ============ MOBILE BAR ============ */
.mobilebar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:10px;padding:10px 14px;
  background:rgba(21,16,11,.96);backdrop-filter:blur(8px);box-shadow:0 -8px 24px -12px #000}
.mobilebar a{flex:1;text-align:center;padding:13px 0;border-radius:9px;font-weight:700;font-size:.98rem}
.mobilebar__call{background:rgba(243,235,221,.12);color:var(--washi-2)}
.mobilebar__book{background:var(--vermilion);color:#fff}

/* ============ FOOTER ============ */
.footer{background:var(--sumi);color:rgba(243,235,221,.7);padding:44px 0 34px;text-align:center}
.footer__inner{display:flex;flex-direction:column;align-items:center;gap:12px;padding-bottom:18px;
  border-bottom:1px solid var(--line-light);margin-bottom:18px}
.footer__inner .brand{justify-content:center}
.footer__inner p{font-size:.92rem}
.footer__inner b{color:var(--tare-2);font-weight:600}
.credit{font-size:.92rem}
.credit__link{color:var(--tare-2);font-weight:700;border-bottom:1px solid transparent}
.credit__link:hover{border-color:currentColor}

/* ============ REVEAL (kinetic #2) ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .nav__links.is-open{display:flex;position:absolute;top:100%;right:16px;flex-direction:column;gap:16px;
    background:rgba(21,16,11,.97);padding:20px 26px;border-radius:12px;box-shadow:var(--shadow)}
  .story__grid,.ritual__grid,.space__grid,.contact__grid,.signature__card{grid-template-columns:1fr}
  .ritual__head{position:static}
  .space__grid{direction:ltr}
  .signature__prices{flex-direction:row}
  .signature__kanji{font-size:11rem}
  .gallery__grid{grid-template-columns:repeat(2,1fr)}
  .tile--wide{grid-column:span 2;grid-row:auto}
  .tile--wide img{aspect-ratio:16/9}
}
@media (max-width:768px){
  .mobilebar{display:flex}
  body{padding-bottom:64px}
  .menu__grid{grid-template-columns:1fr;gap:34px}
  .craft__grid{grid-template-columns:1fr;gap:16px}
  .craft__arrow{transform:rotate(90deg);justify-self:center}
  .hero__band{height:clamp(220px,52vw,320px)}
  .facts{gap:24px}
  .facts b{font-size:2.1rem}
}
@media (max-width:560px){
  .signature__prices{flex-direction:column}
  .gallery__grid{grid-template-columns:1fr}
  .tile--wide{grid-column:auto}
  .hero__title{font-size:clamp(1.9rem,8vw,2.6rem)}
  .step{padding:20px 18px;gap:14px}
  .step__num{font-size:2.2rem}
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .ticker__row{animation:none;padding-left:0}
  .hero__band img{animation:none}
  .ember{animation:none;opacity:.6}
  .step{transition:none}
}