/* ============================
   午食 Bento Go — Stylesheet
   暖色日式便當美學
   ============================ */

:root {
  --red:        #C8412B;
  --red-dark:   #A8301E;
  --red-soft:   #E8634A;
  --orange:     #E8743C;
  --amber:      #F5A623;
  --cream:      #FAF4EA;
  --paper:      #F5EEDC;
  --ink:        #2B2018;
  --ink-soft:   #5A4A3E;
  --muted:      #8A7A6E;
  --line:       #E0D4C0;
  --white:      #FFFFFF;
  --shadow-sm:  0 2px 8px rgba(43,32,24,.08);
  --shadow-md:  0 6px 20px rgba(43,32,24,.12);
  --shadow-red: 6px 6px 0 var(--red);
  --radius:     14px;
  --maxw:       1180px;
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'Inter','Noto Sans TC',sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  background-image:
    radial-gradient(rgba(200,65,43,.04) 1px,transparent 1px),
    radial-gradient(rgba(232,116,60,.03) 1px,transparent 1px);
  background-size:28px 28px,28px 28px;
  background-position:0 0,14px 14px;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* ===== NAV ===== */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(250,244,234,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:0 28px;height:66px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav__logo{
  display:flex;align-items:center;gap:8px;
  font-family:'Shippori Mincho',serif;
  font-weight:800;font-size:1.3rem;color:var(--ink);
}
.nav__logo i{font-size:1.5rem;color:var(--red)}
.nav__logo em{font-style:normal;color:var(--red);font-size:1rem;letter-spacing:.5px}
.nav__links{display:flex;gap:28px}
.nav__links a{
  font-size:.92rem;font-weight:500;color:var(--ink-soft);
  position:relative;padding:4px 0;transition:color .2s;
}
.nav__links a::after{
  content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;
  background:var(--red);transition:width .25s;
}
.nav__links a:hover{color:var(--red)}
.nav__links a:hover::after{width:100%}
.nav__cta{
  background:var(--red);color:#fff !important;
  padding:9px 22px;border-radius:30px;
  font-weight:600;font-size:.9rem;
  transition:all .2s;
}
.nav__cta:hover{background:var(--red-dark);transform:translateY(-1px);box-shadow:var(--shadow-sm)}

/* ===== HERO ===== */
.hero{
  max-width:var(--maxw);margin:0 auto;
  padding:60px 28px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.hero__tag{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--paper);border:1px solid var(--line);
  padding:7px 16px;border-radius:20px;
  font-size:.85rem;font-weight:600;color:var(--red);
  margin-bottom:22px;
}
.hero__tag i{font-size:1.05rem}
.hero__title{
  font-family:'Shippori Mincho',serif;
  font-size:3.4rem;line-height:1.12;font-weight:800;
  letter-spacing:-.5px;margin-bottom:20px;
}
.hero__title em{font-style:normal;color:var(--red);position:relative}
.hero__title em::after{
  content:'';position:absolute;bottom:4px;left:0;width:100%;height:10px;
  background:rgba(245,166,35,.35);z-index:-1;border-radius:4px;
}
.hero__desc{
  font-size:1.05rem;color:var(--ink-soft);
  max-width:440px;margin-bottom:28px;
}
.hero__meta{margin-bottom:28px}
.hero__price{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}
.hero__price-now{
  font-family:'Shippori Mincho',serif;
  font-size:2.6rem;font-weight:800;color:var(--red);
}
.hero__price-was{
  font-size:1.1rem;color:var(--muted);text-decoration:line-through;
}
.hero__price-tag{
  background:var(--red);color:#fff;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
  padding:4px 10px;border-radius:6px;text-transform:uppercase;
}
.hero__badges{display:flex;gap:20px;flex-wrap:wrap}
.hero__badges span{
  display:flex;align-items:center;gap:6px;
  font-size:.85rem;color:var(--ink-soft);font-weight:500;
}
.hero__badges i{color:var(--red);font-size:1.05rem}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:30px;
  font-weight:600;font-size:.95rem;
  transition:all .2s;
}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(200,65,43,.3)}
.btn--ghost{background:transparent;border:2px solid var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--cream)}
.btn--block{width:100%;justify-content:center}

.hero__visual{display:flex;justify-content:center}
.hero__card{
  position:relative;width:100%;max-width:420px;
  box-shadow:var(--shadow-red);
  border-radius:var(--radius);overflow:hidden;
  transform:rotate(-2deg);transition:transform .4s;
}
.hero__card:hover{transform:rotate(0deg)}
.hero__card img{aspect-ratio:1/1;object-fit:cover}
.hero__card-badge{
  position:absolute;top:18px;right:18px;
  background:rgba(43,32,24,.85);color:#fff;
  padding:8px 16px;border-radius:10px;
  font-size:.85rem;font-weight:600;
  display:flex;align-items:center;gap:7px;backdrop-filter:blur(4px);
}
.hero__card-badge i{color:var(--amber);font-size:1.05rem}

/* ===== SECTION HEAD ===== */
.section-head{
  text-align:center;max-width:600px;margin:0 auto 44px;
  padding:0 28px;
}
.section-eyebrow{
  font-size:.78rem;font-weight:700;letter-spacing:2px;
  color:var(--red);text-transform:uppercase;
}
.section-title{
  font-family:'Shippori Mincho',serif;
  font-size:2.4rem;font-weight:800;color:var(--ink);
  margin:8px 0 10px;
}
.section-sub{font-size:1rem;color:var(--muted)}

/* ===== MENU GRID ===== */
.menu{max-width:var(--maxw);margin:0 auto;padding:80px 28px}
.menu__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.dish{
  background:var(--white);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  border:1px solid var(--line);
  transition:transform .3s,box-shadow .3s;
  display:flex;flex-direction:column;
}
.dish:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.dish--featured{
  border:2px solid var(--red);
  position:relative;
}
.dish--featured::before{
  content:'主打';position:absolute;top:0;left:0;
  background:var(--red);color:#fff;
  font-size:.75rem;font-weight:700;
  padding:5px 14px;border-radius:0 0 10px 0;z-index:5;
}
.dish__img{position:relative;overflow:hidden;aspect-ratio:4/3}
.dish__img img{object-fit:cover;transition:transform .5s}
.dish:hover .dish__img img{transform:scale(1.06)}
.dish__badge{
  position:absolute;top:14px;right:14px;
  background:rgba(43,32,24,.82);color:#fff;
  padding:6px 13px;border-radius:8px;
  font-size:.78rem;font-weight:600;backdrop-filter:blur(4px);
}
.dish__badge--new{background:var(--amber);color:var(--ink)}
.dish__badge--green{background:#3B8B5C}
.dish__body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.dish__body h3{
  font-family:'Shippori Mincho',serif;
  font-size:1.32rem;font-weight:700;margin-bottom:8px;
}
.dish__body p{font-size:.9rem;color:var(--ink-soft);margin-bottom:14px;flex:1}
.dish__tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.dish__tags span{
  background:var(--paper);border:1px solid var(--line);
  padding:3px 10px;border-radius:20px;
  font-size:.74rem;color:var(--ink-soft);font-weight:500;
}
.dish__foot{display:flex;align-items:center;justify-content:space-between}
.dish__price{
  font-family:'Shippori Mincho',serif;
  font-size:1.5rem;font-weight:800;color:var(--red);
}
.add-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--ink);color:var(--cream);
  padding:9px 18px;border-radius:24px;
  font-size:.85rem;font-weight:600;
  transition:all .2s;
}
.add-btn:hover{background:var(--red);transform:scale(1.04)}
.add-btn:active{transform:scale(.96)}

/* ===== HOW ===== */
.how{background:var(--paper);padding:80px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.how .section-head{max-width:var(--maxw);margin:0 auto 48px}
.how__steps{
  max-width:var(--maxw);margin:0 auto;
  padding:0 28px;
  display:flex;align-items:stretch;gap:16px;
}
.step{
  flex:1;background:var(--white);border-radius:var(--radius);
  padding:32px 28px;text-align:center;
  border:1px solid var(--line);position:relative;
}
.step__num{
  position:absolute;top:16px;right:20px;
  font-family:'Shippori Mincho',serif;
  font-size:2.2rem;font-weight:800;color:var(--line);
}
.step__icon{
  width:64px;height:64px;margin:0 auto 18px;
  border-radius:50%;background:var(--cream);
  border:2px solid var(--red);
  display:flex;align-items:center;justify-content:center;
  color:var(--red);font-size:1.8rem;
}
.step h3{
  font-family:'Shippori Mincho',serif;
  font-size:1.3rem;font-weight:700;margin-bottom:10px;
}
.step p{font-size:.9rem;color:var(--ink-soft)}
.step__arrow{
  display:flex;align-items:center;color:var(--red);font-size:1.6rem;
}
.how__channels{
  max-width:var(--maxw);margin:36px auto 0;padding:0 28px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.channel{
  background:var(--ink);color:var(--cream);
  border-radius:var(--radius);padding:24px 28px;
}
.channel i{font-size:2rem;color:var(--amber);margin-bottom:12px;display:block}
.channel h4{font-family:'Shippori Mincho',serif;font-size:1.2rem;margin-bottom:8px}
.channel p{font-size:.88rem;color:rgba(250,244,234,.72);line-height:1.5}
.channel strong{color:var(--cream)}

/* ===== DELIVERY ===== */
.delivery{max-width:var(--maxw);margin:0 auto;padding:80px 28px}
.delivery__wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:32px}
.delivery__table table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.delivery__table th,.delivery__table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:.92rem}
.delivery__table th{background:var(--ink);color:var(--cream);font-weight:600;font-size:.85rem;letter-spacing:.5px;text-transform:uppercase}
.delivery__table tr:last-child td{border-bottom:none}
.delivery__table td:first-child{font-weight:600;color:var(--red)}
.delivery__table tr:hover{background:var(--paper)}

.delivery__slots{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.delivery__slots h3{font-family:'Shippori Mincho',serif;font-size:1.25rem;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.delivery__slots h3 i{color:var(--red)}
.slot{margin-bottom:16px}
.slot__time{font-weight:600;font-size:.95rem;display:block;margin-bottom:5px}
.slot__stock{font-size:.82rem;color:var(--muted);display:block;margin-bottom:7px}
.slot__bar{height:8px;background:var(--line);border-radius:10px;overflow:hidden}
.slot__bar i{display:block;height:100%;background:var(--red);border-radius:10px;transition:width .8s}
.slot__bar--low i{background:var(--amber)}
.delivery__note{
  margin-top:18px;font-size:.85rem;color:var(--ink-soft);
  display:flex;gap:7px;align-items:flex-start;
  padding:12px 14px;background:var(--paper);border-radius:10px;
}
.delivery__note i{color:var(--red);flex-shrink:0;margin-top:2px}

/* ===== FOOTER ===== */
.footer{background:var(--ink);color:var(--cream);padding:60px 28px 28px}
.footer__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer__brand .nav__logo{color:var(--cream)}
.footer__brand .nav__logo em{color:var(--amber)}
.footer__brand p{margin-top:14px;font-size:.9rem;color:rgba(250,244,234,.65);line-height:1.7}
.footer__col h4{font-family:'Shippori Mincho',serif;font-size:1.15rem;margin-bottom:14px;color:var(--amber)}
.footer__col p{font-size:.88rem;color:rgba(250,244,234,.72);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.footer__col i{color:var(--red-soft)}
.footer__bottom{
  max-width:var(--maxw);margin:36px auto 0;padding-top:24px;
  border-top:1px solid rgba(250,244,234,.15);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.82rem;color:rgba(250,244,234,.55);
}
.footer__bottom i{color:var(--red-soft)}

/* ===== CART ===== */
.cart-fab{
  position:fixed;bottom:28px;right:28px;z-index:200;
  width:60px;height:60px;border-radius:50%;
  background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;cursor:pointer;
  box-shadow:0 8px 24px rgba(200,65,43,.4);
  transition:transform .2s;
}
.cart-fab:hover{transform:scale(1.08)}
.cart-fab__count{
  position:absolute;top:-4px;right:-4px;
  background:var(--amber);color:var(--ink);
  width:24px;height:24px;border-radius:50%;
  font-size:.78rem;font-weight:700;font-family:'Inter',sans-serif;
  display:flex;align-items:center;justify-content:center;
}
.cart-fab__count:empty,.cart-fab__count[data-count="0"]{display:none}

.cart-overlay{
  position:fixed;inset:0;z-index:150;
  background:rgba(43,32,24,.4);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s;
}
.cart-overlay.open{opacity:1;visibility:visible}

.cart-panel{
  position:fixed;top:0;right:0;z-index:160;
  width:400px;max-width:92vw;height:100vh;
  background:var(--cream);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .35s cubic-bezier(.32,.72,0,1);
  box-shadow:-8px 0 30px rgba(0,0,0,.12);
}
.cart-panel.open{transform:translateX(0)}
.cart-panel__head{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 24px;border-bottom:1px solid var(--line);
  background:var(--white);
}
.cart-panel__head h3{font-family:'Shippori Mincho',serif;font-size:1.3rem;display:flex;align-items:center;gap:8px}
.cart-panel__head h3 i{color:var(--red)}
#cartClose{
  width:36px;height:36px;border-radius:50%;background:var(--paper);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--ink);
  transition:background .2s;
}
#cartClose:hover{background:var(--line)}
.cart-panel__body{flex:1;overflow-y:auto;padding:20px 24px}
.cart-empty{text-align:center;color:var(--muted);font-size:.92rem;padding:60px 20px;line-height:1.7}
.cart-item{
  display:flex;gap:14px;align-items:center;
  padding:14px 0;border-bottom:1px solid var(--line);
}
.cart-item__info{flex:1}
.cart-item__name{font-weight:600;font-size:.95rem;margin-bottom:4px}
.cart-item__price{font-size:.85rem;color:var(--red);font-weight:600}
.cart-item__qty{display:flex;align-items:center;gap:10px}
.cart-item__qty button{
  width:30px;height:30px;border-radius:8px;background:var(--paper);
  font-size:1.1rem;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.cart-item__qty button:hover{background:var(--line)}
.cart-item__qty span{font-weight:600;min-width:24px;text-align:center}
.cart-item__remove{
  color:var(--muted);font-size:1.2rem;margin-left:8px;transition:color .2s;
}
.cart-item__remove:hover{color:var(--red)}
.cart-panel__foot{padding:20px 24px;border-top:1px solid var(--line);background:var(--white)}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}
.cart-total span{font-size:.95rem;color:var(--ink-soft)}
.cart-total strong{font-family:'Shippori Mincho',serif;font-size:1.8rem;color:var(--red);font-weight:800}

/* ===== RESPONSIVE ===== */
@media(max-width:920px){
  .hero{grid-template-columns:1fr;gap:32px;padding:40px 22px}
  .hero__title{font-size:2.6rem}
  .hero__visual{order:-1}
  .menu__grid{grid-template-columns:repeat(2,1fr)}
  .how__steps{flex-direction:column}
  .step__arrow{transform:rotate(90deg);justify-content:center;padding:8px 0}
  .how__channels{grid-template-columns:1fr}
  .delivery__wrap{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;gap:28px}
  .nav__links{display:none}
  .nav__inner{padding:0 22px}
}
@media(max-width:560px){
  .hero__title{font-size:2.1rem}
  .section-title{font-size:1.9rem}
  .menu__grid{grid-template-columns:1fr}
  .hero__badges{gap:14px}
  .cart-panel{width:100vw}
}