/* ============================================================
   慕名私房料理 MUMING — 深海形象網站
   配色:深海墨 #061A26 / 潮青 #0F3D4A / 浪沫 #EAF4F3
         琥珀火光 #D9A648 / 帕格紅 #8E2532 / 霧砂 #9FB8BC
   ============================================================ */
:root{
  --sea-deep:#061A26;
  --sea-deeper:#04121B;
  --tide:#0F3D4A;
  --tide-soft:#123946;
  --foam:#EAF4F3;
  --ember:#D9A648;
  --ember-soft:#E8C27C;
  --pangcah:#8E2532;
  --mist:#9FB8BC;
  --line:rgba(234,244,243,.14);
  --serif:"Noto Serif TC",serif;
  --sans:"Noto Sans TC",sans-serif;
  --latin:"Cormorant Garamond",serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--sea-deep);
  color:var(--foam);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.9;
  letter-spacing:.04em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:2px}

/* ---------- 導覽列 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 5vw;
  background:linear-gradient(to bottom,rgba(4,18,27,.85),rgba(4,18,27,0));
  transition:background .4s ease, box-shadow .4s ease;
}
/* 毛玻璃背景放在偽元素上,
   ※不可直接放在 .nav 上:backdrop-filter 會讓 fixed 選單被關在導覽列裡 */
.nav::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;
  background:rgba(4,18,27,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  opacity:0;transition:opacity .4s ease;
}
.nav.scrolled{background:transparent;box-shadow:0 1px 0 var(--line)}
.nav.scrolled::before{opacity:1}
.nav-brand{display:flex;align-items:center;gap:12px}
.nav-brand img{width:44px;height:44px;border-radius:50%;box-shadow:0 0 0 1px rgba(217,166,72,.4)}
.nav-brand .name{font-family:var(--serif);font-weight:700;font-size:1.05rem;letter-spacing:.18em}
.nav-brand .name small{display:block;font-family:var(--latin);font-style:italic;font-weight:400;font-size:.68rem;letter-spacing:.3em;color:var(--ember-soft)}
.nav-links{display:flex;gap:clamp(14px,2.4vw,34px);list-style:none;align-items:center}
.nav-links a{font-size:.88rem;letter-spacing:.22em;color:var(--mist);transition:color .3s}
.nav-links a:hover{color:var(--ember-soft)}
.nav-links .book-btn{
  color:var(--sea-deeper);background:var(--ember);
  padding:8px 20px;border-radius:999px;font-weight:500;
  transition:background .3s,transform .3s;
}
.nav-links .book-btn:hover{background:var(--ember-soft);color:var(--sea-deeper);transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--foam);margin:5px 0;transition:.3s}

/* ---------- 海洋主視覺 ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden;
  background:linear-gradient(180deg,#0B2836 0%,#082230 34%,var(--sea-deep) 72%,var(--sea-deeper) 100%);
}
#oceanCanvas{position:absolute;top:0;left:0;width:100%;height:100%}
/* 海面光束 */
.hero .rays{
  position:absolute;top:-20%;bottom:-20%;left:-10%;right:-10%;pointer-events:none;
  background:
    linear-gradient(112deg,transparent 42%,rgba(217,166,72,.06) 47%,transparent 53%),
    linear-gradient(96deg,transparent 30%,rgba(234,244,243,.05) 36%,transparent 43%),
    linear-gradient(124deg,transparent 60%,rgba(234,244,243,.04) 66%,transparent 71%);
  mix-blend-mode:screen;
  animation:raysDrift 16s ease-in-out infinite alternate;
}
@keyframes raysDrift{from{transform:translateX(-2.5%) }to{transform:translateX(2.5%)}}

.hero-inner{position:relative;z-index:3;padding:120px 24px 160px;max-width:820px}
.hero-logo{width:clamp(88px,12vw,128px);height:auto;margin:0 auto 26px;border-radius:50%;
  box-shadow:0 0 0 1px rgba(217,166,72,.45),0 0 60px rgba(217,166,72,.18);
}
.hero-eyebrow{
  font-size:.82rem;letter-spacing:.5em;color:var(--ember-soft);
  text-indent:.5em; /* 平衡字距 */
  margin-bottom:22px;
}
.hero h1{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(2.1rem,6vw,3.9rem);
  letter-spacing:.16em;line-height:1.5;
  text-shadow:0 4px 30px rgba(0,0,0,.5);
}
.hero h1 .latin{
  display:block;font-family:var(--latin);font-style:italic;font-weight:400;
  font-size:clamp(.95rem,2vw,1.25rem);letter-spacing:.55em;color:var(--mist);
  margin-top:14px;text-transform:uppercase;
}
.hero-sub{
  margin:26px auto 0;max-width:34em;
  color:var(--mist);font-size:clamp(.92rem,1.6vw,1.05rem);letter-spacing:.14em;
}
.hero-cta{margin-top:44px;display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 34px;border-radius:999px;
  font-size:.95rem;letter-spacing:.24em;text-indent:.1em;
  transition:transform .3s,box-shadow .3s,background .3s,color .3s;
  border:1px solid transparent;cursor:pointer;font-family:var(--sans);
}
.btn-primary{background:var(--ember);color:var(--sea-deeper);font-weight:500}
.btn-primary:hover{background:var(--ember-soft);transform:translateY(-2px);box-shadow:0 10px 30px rgba(217,166,72,.25)}
.btn-ghost{border-color:rgba(234,244,243,.35);color:var(--foam)}
.btn-ghost:hover{border-color:var(--ember);color:var(--ember-soft);transform:translateY(-2px)}

/* 直書標語(簽名元素之一) */
.hero-vertical{
  position:absolute;right:clamp(12px,4vw,64px);top:50%;transform:translateY(-50%);
  writing-mode:vertical-rl;z-index:3;
  font-family:var(--serif);font-size:.92rem;letter-spacing:.6em;
  color:rgba(234,244,243,.55);
  border-right:1px solid rgba(217,166,72,.4);padding-right:14px;
}
.scroll-cue{
  position:absolute;bottom:110px;left:50%;transform:translateX(-50%);z-index:3;
  color:var(--mist);font-size:.72rem;letter-spacing:.4em;text-indent:.4em;
}
.scroll-cue::after{
  content:"";display:block;width:1px;height:44px;margin:10px auto 0;
  background:linear-gradient(to bottom,var(--ember),transparent);
  animation:cueDrop 2.2s ease-in-out infinite;
}
@keyframes cueDrop{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 波浪分隔線 ---------- */
.wave-divider{display:block;width:100%;height:90px;position:relative;z-index:2;margin-top:-1px}
.wave-divider svg{display:block;width:100%;height:100%}

/* ---------- 區塊共用 ---------- */
section{position:relative}
.wrap{max-width:1080px;margin:0 auto;padding:clamp(70px,10vw,120px) 6vw}
.sec-head{text-align:center;margin-bottom:clamp(44px,6vw,72px)}
.sec-head .en{
  font-family:var(--latin);font-style:italic;font-size:.95rem;
  letter-spacing:.5em;color:var(--ember);text-transform:uppercase;
}
.sec-head h2{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(1.6rem,3.6vw,2.3rem);letter-spacing:.24em;text-indent:.24em;
  margin-top:12px;
}
.sec-head .rule{
  width:56px;height:1px;background:var(--ember);margin:22px auto 0;position:relative;
}
.sec-head .rule::before{
  content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;
  transform:translate(-50%,-50%) rotate(45deg);background:var(--pangcah);
}

/* ---------- 品牌故事 ---------- */
.story{background:linear-gradient(180deg,var(--sea-deeper),var(--sea-deep))}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,72px);align-items:center}
.story-text p{color:var(--mist);margin-bottom:1.4em;font-size:.98rem}
.story-text p strong{color:var(--foam);font-weight:500}
.story-text .chef{
  font-family:var(--serif);font-size:1.2rem;letter-spacing:.2em;color:var(--foam);
  margin-bottom:.9em;
}
.chef .latin{font-family:var(--latin);font-style:italic;letter-spacing:.18em;color:var(--ember-soft);font-size:1.05rem}
.seal{
  display:inline-block;margin-top:10px;
  font-family:var(--serif);font-size:.85rem;letter-spacing:.3em;color:#fff;
  background:var(--pangcah);padding:8px 14px 8px 17px;
  box-shadow:3px 3px 0 rgba(217,166,72,.35);
}
.story-photo{position:relative}
.story-photo img{border-radius:4px;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.story-photo::before{
  content:"";position:absolute;top:-14px;right:14px;bottom:14px;left:-14px;
  border:1px solid rgba(217,166,72,.35);border-radius:4px;z-index:-1;
}
.photo-caption{margin-top:14px;font-size:.78rem;letter-spacing:.3em;color:var(--mist);text-align:right}

/* ---------- 無菜單三味 ---------- */
.omakase{background:linear-gradient(180deg,var(--sea-deep) 0%,var(--tide-soft) 120%)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,32px)}
.pillar{
  position:relative;padding:44px 30px 38px;text-align:center;
  background:rgba(4,18,27,.45);
  border:1px solid var(--line);border-radius:6px;
  transition:transform .45s ease,border-color .45s ease,box-shadow .45s ease;
  overflow:hidden;
}
.pillar:hover{transform:translateY(-8px);border-color:rgba(217,166,72,.5);box-shadow:0 18px 44px rgba(0,0,0,.35)}
.pillar .glyph{
  font-family:var(--serif);font-weight:900;font-size:2.6rem;color:var(--ember);
  line-height:1;
}
.pillar .glyph-en{
  display:block;font-family:var(--latin);font-style:italic;font-size:.8rem;
  letter-spacing:.45em;color:var(--mist);margin-top:8px;text-transform:uppercase;
}
.pillar h3{
  font-family:var(--serif);font-weight:700;font-size:1.15rem;
  letter-spacing:.22em;margin:20px 0 14px;
}
.pillar p{font-size:.9rem;color:var(--mist);text-align:justify}
.pillar::after{ /* 底部潮線 */
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--ember),transparent);
  transform:scaleX(0);transition:transform .5s ease;
}
.pillar:hover::after{transform:scaleX(1)}
.omakase-note{
  margin-top:clamp(40px,6vw,60px);text-align:center;
  font-family:var(--serif);font-size:clamp(1rem,2vw,1.2rem);
  letter-spacing:.3em;color:var(--ember-soft);
}

/* ---------- 餐桌風景(相簿) ---------- */
.gallery{background:var(--tide-soft)}
.gallery-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:14px;
}
.gallery-grid a{
  position:relative;display:block;overflow:hidden;border-radius:4px;
  padding-bottom:75%; /* 4:3 比例,全瀏覽器通用寫法 */
  background:var(--sea-deeper);
}
.gallery-grid img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .8s ease,filter .8s ease;filter:saturate(.96)}
.gallery-grid a:hover img{transform:scale(1.06);filter:saturate(1.1)}
.gallery-hint{margin-top:26px;text-align:center;font-size:.8rem;color:var(--mist);letter-spacing:.2em}

/* ---------- 線上訂位 ---------- */
.booking{background:linear-gradient(180deg,var(--tide-soft),var(--sea-deep));text-align:center}
.booking-lead{max-width:36em;margin:0 auto;color:var(--mist);font-size:.95rem}
.booking-btns{margin-top:44px;display:flex;gap:22px;justify-content:center;flex-wrap:wrap}
.platform-btn{
  display:flex;flex-direction:column;gap:6px;align-items:center;
  min-width:min(300px,80vw);padding:26px 40px;border-radius:8px;
  border:1px solid rgba(217,166,72,.45);
  background:rgba(4,18,27,.5);
  transition:transform .35s,box-shadow .35s,background .35s;
}
.platform-btn:hover{transform:translateY(-4px);background:rgba(217,166,72,.1);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.platform-btn .p-name{font-family:var(--latin);font-style:italic;font-size:1.5rem;letter-spacing:.12em;color:var(--ember-soft)}
.platform-btn .p-desc{font-size:.82rem;letter-spacing:.3em;color:var(--mist)}
.booking-phone{margin-top:30px;font-size:.86rem;color:var(--mist);letter-spacing:.14em}
.booking-phone a{color:var(--ember-soft);border-bottom:1px solid rgba(217,166,72,.4)}

/* ---------- 店舖 ---------- */
.stores{background:var(--sea-deep)}
.store-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,30px)}
.store{
  padding:38px 30px;border:1px solid var(--line);border-radius:6px;
  background:linear-gradient(180deg,rgba(15,61,74,.35),rgba(4,18,27,.55));
  display:flex;flex-direction:column;gap:12px;
  transition:border-color .4s,transform .4s;
}
.store:hover{border-color:rgba(217,166,72,.5);transform:translateY(-6px)}
.store .tag{
  align-self:flex-start;font-size:.72rem;letter-spacing:.34em;text-indent:.1em;
  color:var(--ember-soft);border:1px solid rgba(217,166,72,.5);
  padding:4px 12px;border-radius:999px;
}
.store h3{font-family:var(--serif);font-weight:700;font-size:1.2rem;letter-spacing:.14em;line-height:1.6}
.store h3 small{display:block;font-size:.78rem;font-family:var(--sans);font-weight:400;color:var(--mist);letter-spacing:.2em;margin-top:4px}
.store .addr{font-size:.88rem;color:var(--mist);flex:1}
.store .tel{font-size:1rem;letter-spacing:.12em;color:var(--foam)}
.store .tel a:hover{color:var(--ember-soft)}
.store .map-link{
  font-size:.8rem;letter-spacing:.26em;color:var(--ember);
  border-bottom:1px solid rgba(217,166,72,.4);align-self:flex-start;padding-bottom:2px;
  transition:color .3s;
}
.store .map-link:hover{color:var(--ember-soft)}

/* ---------- 聯絡表單 ---------- */
.contact{background:linear-gradient(180deg,var(--sea-deep),var(--sea-deeper))}
.contact-lead{text-align:center;max-width:34em;margin:0 auto 48px;color:var(--mist);font-size:.94rem}
.contact-lead a{color:var(--ember-soft);border-bottom:1px solid rgba(217,166,72,.4)}
.form{max-width:680px;margin:0 auto;display:grid;gap:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field label{
  display:block;font-size:.8rem;letter-spacing:.3em;color:var(--ember-soft);margin-bottom:8px;
}
.field label .req{color:var(--pangcah);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;
  background:rgba(234,244,243,.05);
  border:1px solid var(--line);border-radius:4px;
  color:var(--foam);font-family:var(--sans);font-size:.95rem;letter-spacing:.06em;
  transition:border-color .3s,background .3s;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ember) 50%),linear-gradient(135deg,var(--ember) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.field select option{background:var(--sea-deeper);color:var(--foam)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ember);background:rgba(234,244,243,.08);
}
.field textarea{min-height:150px;resize:vertical}
.form .submit-row{text-align:center;margin-top:8px}
.form-msg{
  max-width:680px;margin:0 auto 32px;padding:16px 22px;border-radius:6px;
  font-size:.92rem;letter-spacing:.1em;text-align:center;
}
.form-msg.ok{background:rgba(217,166,72,.12);border:1px solid rgba(217,166,72,.5);color:var(--ember-soft)}
.form-msg.err{background:rgba(142,37,50,.15);border:1px solid rgba(142,37,50,.6);color:#E8A8B0}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* ---------- 頁尾 ---------- */
footer{
  background:var(--sea-deeper);border-top:1px solid var(--line);
  padding:56px 6vw 40px;text-align:center;position:relative;
}
footer .f-logo{width:64px;margin:0 auto 18px;border-radius:50%;opacity:.9}
footer .f-name{font-family:var(--serif);letter-spacing:.3em;font-size:1.05rem}
footer .f-latin{font-family:var(--latin);font-style:italic;letter-spacing:.4em;color:var(--mist);font-size:.8rem;margin-top:4px;text-transform:uppercase}
footer .f-links{margin:24px 0;display:flex;gap:28px;justify-content:center;flex-wrap:wrap}
footer .f-links a{font-size:.84rem;letter-spacing:.2em;color:var(--mist);transition:color .3s}
footer .f-links a:hover{color:var(--ember-soft)}
footer .copy{font-size:.74rem;color:rgba(159,184,188,.6);letter-spacing:.14em;margin-top:10px}

/* ---------- 進場動畫 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s ease,transform .9s ease}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.12s}
.reveal-d2{transition-delay:.24s}
.reveal-d3{transition-delay:.36s}

/* ---------- 響應式 ---------- */
@media (max-width:900px){
  .story-grid{grid-template-columns:1fr}
  .story-photo{order:-1}
  .pillars{grid-template-columns:1fr}
  .store-grid{grid-template-columns:1fr}
  .hero-vertical{display:none}
}
@media (max-width:760px){
  .nav-links{
    position:fixed;top:0;left:0;width:100%;height:100%;z-index:105;
    flex-direction:column;justify-content:center;gap:34px;
    background:rgba(4,18,27,.97);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    transform:translateY(-105%);
    visibility:hidden;pointer-events:none; /* 雙重保險:就算定位失效,關閉時也完全隱形 */
    transition:transform .45s ease,visibility 0s linear .45s;
    overflow-y:auto;padding:80px 0;
  }
  .nav-links.open{
    transform:none;
    visibility:visible;pointer-events:auto;
    transition:transform .45s ease;
  }
  body.menu-open{overflow:hidden}
  .nav-links a{font-size:1.05rem}
  .nav-toggle{display:block;position:relative;z-index:110}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .form-row{grid-template-columns:1fr}
  .scroll-cue{bottom:90px}
}

/* ---------- 動態縮減 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}