/* Foong AC — Cool Stone 設計系統（serif 標題 + 編號服務清單，淡色高端風） */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
:root{
  --bg:#f3f6f7;
  --surface:#ffffff;
  --ink:#20282c;
  --ink-soft:#5e6a70;
  --accent:#2f6f82;
  --accent-2:#4a8a9d;
  --accent-ink:#ffffff;
  --line:#dbe3e5;
  --radius:2px;
  --shadow:0 10px 34px rgba(32,40,44,.08);
  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;line-height:1.15;text-wrap:balance;}
em{font-style:italic;color:var(--accent);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.container{max-width:1120px;margin:0 auto;padding:0 1.75rem;}
section{padding:5rem 0;}
.label{font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-body);font-weight:700;font-size:.8rem;
  letter-spacing:.04em;padding:.9rem 1.7rem;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;
  transition:all .15s;}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}

/* ── Top bar ── */
.topbar{background:var(--ink);color:#fff;font-size:.8rem;padding:.55rem 0;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;}
.topbar a{color:#bfe3ec;font-weight:600;}
.topbar .emergency{color:#e8f3f5;font-weight:700;}

/* ── Nav ── */
nav.main{position:sticky;top:0;z-index:100;background:rgba(243,246,247,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);}
nav.main .container{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 1.75rem;}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:400;font-size:1.3rem;color:var(--ink);}
.brand b{font-weight:400;color:var(--accent);}
.nav-links{display:flex;gap:2.1rem;align-items:center;}
.nav-links a{font-weight:600;font-size:.85rem;color:var(--ink-soft);transition:color .2s;}
.nav-links a:hover,.nav-links a.active{color:var(--accent);}
.nav-cta{display:flex;align-items:center;gap:1rem;}
.menu-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--ink);}

@media(max-width:860px){
  .nav-links{position:fixed;top:0;right:-100%;width:78%;max-width:320px;height:100vh;background:var(--surface);
    flex-direction:column;align-items:flex-start;padding:6rem 2rem 2rem;gap:1.5rem;transition:right .3s;
    box-shadow:-10px 0 40px rgba(0,0,0,.12);}
  .nav-links.open{right:0;}
  .menu-toggle{display:block;}
  .nav-cta .btn-outline{display:none;}
}

/* ── Hero ── */
.hero{position:relative;padding:4.5rem 0 3.5rem;border-bottom:1px solid var(--line);}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;}
.eyebrow{display:flex;align-items:center;gap:.5rem;margin-bottom:1.1rem;}
.live-dot{width:7px;height:7px;background:#2e8f5a;border-radius:50%;animation:pulse 1.6s infinite;flex-shrink:0;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1.hero-title{font-size:clamp(2.2rem,5vw,3.5rem);margin-bottom:1.1rem;max-width:600px;}
.hero-desc{color:var(--ink-soft);font-size:1.05rem;max-width:480px;margin-bottom:1.9rem;}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.25rem;}
.hero-stats{display:flex;gap:2.5rem;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:1.5rem;}
.hero-stat b{display:block;font-family:var(--font-display);font-size:1.4rem;color:var(--accent);font-weight:400;}
.hero-stat span{font-size:.7rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;}

/* ── Placeholder graphic ── */
.ph{border-radius:var(--radius);display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--accent) 0%,#274f5c 100%);position:relative;overflow:hidden;}
.ph .ph-icon{font-size:2.75rem;filter:drop-shadow(0 4px 10px rgba(0,0,0,.15));}
.ph.hero-ph{aspect-ratio:4/5;box-shadow:var(--shadow);}
.ph.card-ph{aspect-ratio:4/3;}
.ph.wide-ph{aspect-ratio:16/9;}
.ph.sq-ph{aspect-ratio:1/1;}
.ph::after{content:'Photo Coming Soon';position:absolute;bottom:.7rem;left:50%;transform:translateX(-50%);
  font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.9);
  background:rgba(0,0,0,.22);padding:.2rem .6rem;border-radius:999px;white-space:nowrap;}

/* ── Photo strip (multi-image row) ── */
.photo-strip{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:1rem;}
.photo-strip .ph:first-child{grid-row:1/3;aspect-ratio:auto;}
@media(max-width:700px){.photo-strip{grid-template-columns:1fr 1fr;} .photo-strip .ph:first-child{grid-row:auto;aspect-ratio:4/3;}}

/* ── Section headers ── */
.section-head{max-width:620px;margin-bottom:2.75rem;}
.section-head .label{margin-bottom:.7rem;}
.section-head h2{font-size:clamp(1.7rem,3.3vw,2.5rem);}
.section-head p{color:var(--ink-soft);margin-top:.85rem;}

/* ── Ledger (services list) ── */
.ledger{border-top:1px solid var(--line);}
.ledger-row{display:grid;grid-template-columns:64px 1fr 1.3fr;gap:1.9rem;align-items:start;
  padding:2.25rem 0;border-bottom:1px solid var(--line);}
.ledger-row .num{font-family:var(--font-display);font-size:1.45rem;color:var(--accent);}
.ledger-row h3{font-size:1.25rem;margin-bottom:.5rem;font-weight:400;}
.ledger-row p{color:var(--ink-soft);font-size:.92rem;max-width:48ch;}
.ledger-row a.svc-link{display:inline-block;margin-top:.7rem;font-weight:700;font-size:.82rem;color:var(--accent);}
@media(max-width:700px){.ledger-row{grid-template-columns:36px 1fr;} .ledger-row p,.ledger-row a{grid-column:1/-1;}}

/* ── Why / feature cards ── */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2.25rem;}
.why-card{padding:0;}
.why-card .label{display:block;margin-bottom:.6rem;}
.why-card h3{font-size:1.1rem;margin-bottom:.45rem;font-weight:400;}
.why-card p{color:var(--ink-soft);font-size:.88rem;}

/* ── CTA plate ── */
.plate{background:var(--surface);border:1px solid var(--line);text-align:center;padding:3.5rem 2.5rem;position:relative;}
.plate::before,.plate::after{content:'';position:absolute;width:14px;height:14px;border:1px solid var(--accent);top:14px;}
.plate::before{left:14px;border-right:none;border-bottom:none;}
.plate::after{right:14px;border-left:none;border-bottom:none;}
.plate h2{font-size:clamp(1.6rem,3.3vw,2.3rem);margin-bottom:.85rem;}
.plate p{color:var(--ink-soft);margin-bottom:1.75rem;}
.plate .phone-link{font-family:var(--font-display);font-size:clamp(1.7rem,4vw,2.4rem);color:var(--accent);
  display:block;margin-bottom:1.6rem;}

/* ── Area tags ── */
.area-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:0;border-top:1px solid var(--line);
  border-left:1px solid var(--line);}
.area-tag{background:var(--surface);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  text-align:center;padding:.85rem;font-size:.85rem;font-weight:600;color:var(--ink-soft);}

/* ── FAQ ── */
.faq-item{border-bottom:1px solid var(--line);padding:1.5rem 0;}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:1.02rem;gap:1rem;}
.faq-q .plus{font-size:1.3rem;color:var(--accent);transition:transform .2s;flex-shrink:0;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--ink-soft);font-size:.92rem;}
.faq-item.open .faq-a{max-height:400px;padding-top:.9rem;}

/* ── Gallery ── */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;}

/* ── Contact ── */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;align-items:start;}
.contact-info-card{background:var(--surface);border:1px solid var(--line);padding:2rem;}
.contact-row{display:flex;gap:1rem;align-items:flex-start;padding:1.1rem 0;border-bottom:1px solid var(--line);}
.contact-row:last-child{border-bottom:none;}
.contact-row .ic{font-size:1.3rem;}
.contact-row b{display:block;font-size:.95rem;font-weight:600;}
.contact-row span{color:var(--ink-soft);font-size:.88rem;}
form.quote-form{display:flex;flex-direction:column;gap:1rem;background:var(--surface);border:1px solid var(--line);padding:2rem;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--ink);
  font-family:var(--font-body);font-size:.92rem;padding:.85rem 1rem;border-radius:var(--radius);outline:none;
  transition:border-color .2s;}
input:focus,select:focus,textarea:focus{border-color:var(--accent);}
label{font-size:.78rem;font-weight:700;color:var(--ink-soft);margin-bottom:-.4rem;display:block;}

/* ── Footer ── */
footer{background:var(--ink);color:#c3ced1;padding:3.5rem 0 1.5rem;margin-top:3rem;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem;}
.footer-brand{font-family:var(--font-display);font-weight:400;color:#fff;font-size:1.25rem;margin-bottom:.75rem;}
.footer-brand b{color:#8fc4d2;font-weight:400;}
footer h4{color:#fff;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1rem;}
footer a{display:block;color:#a6b3b7;font-size:.88rem;margin-bottom:.6rem;transition:color .2s;}
footer a:hover{color:#8fc4d2;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;font-size:.78rem;color:#8b979b;text-align:center;}

@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero .container,.contact-grid{grid-template-columns:1fr;}
  .hero-ph{order:-1;max-width:320px;margin:0 auto;}
  .form-row{grid-template-columns:1fr;}
}

/* ── Scroll reveal ── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.visible{opacity:1;transform:none;}

/* ── Page hero (subpages) ── */
.page-hero{background:var(--surface);border-bottom:1px solid var(--line);padding:3.5rem 0 2.75rem;text-align:center;}
.page-hero h1{font-size:clamp(2rem,4vw,2.7rem);}
.page-hero p{color:var(--ink-soft);margin-top:.6rem;}