/* ================================================================
   墨仙基金會 — 溫暖人文設計系統 (Warm & Humanitarian)
   ================================================================ */
:root{
  /* palette */
  --terracotta:#C15F3C;
  --terracotta-deep:#9E4526;
  --amber:#E8A87C;
  --amber-soft:#F3D9BE;
  --cream:#FBF3E9;
  --cream-deep:#F5E8D6;
  --ink:#3A2E28;
  --ink-soft:#6E5D51;
  --leaf:#7C8B5A;
  --white:#fff;

  --radius:20px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px -8px rgba(120,60,40,.30);
  --shadow:0 16px 40px -18px rgba(120,60,40,.35);
  --shadow-lg:0 30px 70px -30px rgba(120,60,40,.45);
  --maxw:1180px;
  --gap:clamp(1rem,3vw,2rem);

  --font-serif:"Noto Serif TC",serif;
  --font-sans:"Noto Sans TC",system-ui,"PingFang TC","Microsoft JhengHei",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.3;color:var(--ink)}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}
.eyebrow{
  font-size:.8rem;letter-spacing:.28em;font-weight:700;
  color:var(--terracotta);text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--terracotta);border-radius:2px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-sans);font-weight:700;font-size:.98rem;
  padding:.85rem 1.6rem;border-radius:100px;border:2px solid transparent;
  cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s;
}
.btn-primary{background:var(--terracotta);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--terracotta-deep);transform:translateY(-3px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--amber)}
.btn-ghost:hover{background:var(--amber-soft);transform:translateY(-3px)}
.btn-light{background:#fff;color:var(--terracotta-deep)}
.btn-light:hover{transform:translateY(-3px);box-shadow:var(--shadow)}

/* ---------- top bar ---------- */
.topbar{background:var(--terracotta-deep);color:#fdeee2;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-block:.5rem;flex-wrap:wrap}
.topbar a{opacity:.9}.topbar a:hover{opacity:1}
.topbar .tb-contact{display:flex;gap:1.3rem;flex-wrap:wrap}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,243,233,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--cream-deep);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.7rem}
.brand{display:flex;align-items:center;gap:.7rem;font-family:var(--font-serif);font-weight:700;font-size:1.25rem;color:var(--terracotta-deep)}
.brand img{height:46px;width:auto}
.brand small{display:block;font-family:var(--font-sans);font-size:.62rem;letter-spacing:.15em;color:var(--ink-soft);font-weight:500}
.menu{display:flex;align-items:center;gap:.3rem;list-style:none}
.menu > li > a{padding:.5rem .9rem;border-radius:100px;font-weight:500;font-size:.96rem;transition:background .2s,color .2s;display:block}
.menu > li > a:hover{background:var(--amber-soft);color:var(--terracotta-deep)}
.menu .has-sub{position:relative}
.submenu{position:absolute;top:calc(100% + .4rem);left:0;min-width:220px;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:.5rem;list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;z-index:60}
.has-sub:hover > .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:.55rem .8rem;border-radius:8px;font-size:.92rem;white-space:nowrap}
.submenu a:hover{background:var(--cream);color:var(--terracotta-deep)}
/* 巢狀（第 3、4 層）向右飛出 */
.submenu .has-sub > a{display:flex;justify-content:space-between;align-items:center;gap:1.2rem}
.submenu .has-sub > a::after{content:"›";color:var(--ink-soft);font-size:1.1rem}
.submenu .submenu{top:-.5rem;left:calc(100% + .3rem)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:.4rem;color:var(--ink)}
.hamburger svg{width:28px;height:28px}

/* ---------- hero ---------- */
.hero{position:relative;padding-block:clamp(3rem,7vw,6rem);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;
  background:radial-gradient(120% 90% at 85% 10%,var(--amber-soft) 0%,transparent 55%),
             radial-gradient(90% 80% at 0% 100%,#F7E0CB 0%,transparent 50%),
             linear-gradient(160deg,var(--cream) 0%,var(--cream-deep) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero h1{font-size:clamp(2.3rem,5.2vw,3.9rem);letter-spacing:.01em}
.hero h1 .hl{color:var(--terracotta);position:relative;white-space:nowrap}
.hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.32em;background:var(--amber-soft);z-index:-1;border-radius:4px}
.hero p.lead{font-size:1.12rem;color:var(--ink-soft);margin:1.4rem 0 2rem;max-width:34ch}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap}
/* hero collage */
.collage{position:relative;aspect-ratio:1/1}
.collage img{position:absolute;border-radius:var(--radius);box-shadow:var(--shadow);object-fit:cover}
.collage .c1{width:64%;height:74%;top:0;right:0;z-index:2}
.collage .c2{width:52%;height:52%;bottom:0;left:0;z-index:3;border:6px solid var(--cream)}
.collage .c3{width:38%;height:40%;top:8%;left:2%;z-index:1;opacity:.95}
.collage .badge{position:absolute;z-index:4;bottom:6%;right:4%;background:#fff;border-radius:var(--radius-sm);padding:.8rem 1.1rem;box-shadow:var(--shadow);text-align:center}
.collage .badge b{font-family:var(--font-serif);font-size:1.7rem;color:var(--terracotta);display:block;line-height:1}
.collage .badge span{font-size:.72rem;color:var(--ink-soft)}

/* ---------- stats ---------- */
.stats{background:var(--terracotta);color:#fff;border-radius:var(--radius);padding:clamp(1.5rem,4vw,2.6rem);margin-top:-2rem;position:relative;z-index:5;box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;text-align:center}
.stats .st b{font-family:var(--font-serif);font-size:clamp(1.8rem,4vw,2.6rem);display:block;line-height:1}
.stats .st span{font-size:.86rem;opacity:.9}
.stats .st+.st{border-left:1px solid rgba(255,255,255,.25)}

/* ---------- announcement ---------- */
.announce{display:flex;align-items:center;gap:1rem;background:var(--white);border:1px solid var(--cream-deep);border-left:5px solid var(--terracotta);border-radius:var(--radius-sm);padding:1rem 1.4rem;margin-top:2rem;box-shadow:var(--shadow-sm);flex-wrap:wrap}
.announce-tag{flex:0 0 auto;font-weight:700;color:var(--terracotta-deep);font-size:.9rem}
.announce p{margin:0;font-size:.95rem;color:var(--ink-soft)}
.announce a{color:var(--terracotta);font-weight:700;text-decoration:underline}

/* ---------- section ---------- */
.section{padding-block:clamp(3rem,7vw,5.5rem)}
.section-head{max-width:640px;margin-bottom:2.6rem}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-top:.7rem}
.section-head p{color:var(--ink-soft);margin-top:.8rem}

/* service cards */
.services{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.svc{position:relative;border-radius:var(--radius);overflow:hidden;min-height:340px;display:flex;align-items:flex-end;box-shadow:var(--shadow);isolation:isolate}
.svc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .6s}
.svc::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(to top,rgba(58,46,40,.9) 8%,rgba(58,46,40,.15) 60%,transparent)}
.svc:hover img{transform:scale(1.06)}
.svc .svc-body{padding:1.8rem;color:#fff}
.svc .tag{font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber)}
.svc h3{color:#fff;font-size:1.5rem;margin:.4rem 0 .5rem}
.svc p{font-size:.94rem;opacity:.92;margin-bottom:.9rem}
.svc .more{font-weight:700;color:#fff;display:inline-flex;gap:.4rem;align-items:center}
.svc .more::after{content:"→";transition:transform .2s}
.svc:hover .more::after{transform:translateX(5px)}

/* story cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:16/11;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .thumb img{transform:scale(1.07)}
.card .card-body{padding:1.3rem 1.4rem 1.5rem}
.card .chip{font-size:.72rem;font-weight:700;letter-spacing:.1em;color:var(--terracotta);background:var(--amber-soft);padding:.25rem .7rem;border-radius:100px;display:inline-block;margin-bottom:.7rem}
.card h3{font-size:1.2rem;margin-bottom:.5rem}
.card p{font-size:.9rem;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .read{margin-top:.9rem;font-weight:700;font-size:.9rem;color:var(--terracotta);display:inline-flex;gap:.35rem}
.card .read::after{content:"→";transition:transform .2s}
.card:hover .read::after{transform:translateX(4px)}

/* download / document cards (下載專區・公開徵信) */
.dl-thumb{aspect-ratio:16/10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.7rem;background:radial-gradient(120% 120% at 50% 0%,var(--amber-soft),var(--cream-deep));color:var(--terracotta-deep)}
.dl-thumb svg{width:46px;height:46px;opacity:.9}
.dl-thumb .ext{font-weight:700;font-size:.72rem;letter-spacing:.12em;background:var(--terracotta);color:#fff;padding:.2rem .7rem;border-radius:100px}
.card .read.dl-go::after{content:"↓";transition:transform .2s}
.card:hover .read.dl-go::after{transform:translateY(3px)}

/* news list */
.newsband{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.news-item{display:flex;gap:1.2rem;align-items:center;padding:1.15rem 1.5rem;border-bottom:1px solid var(--cream-deep);transition:background .2s}
.news-item:last-child{border-bottom:none}
.news-item:hover{background:var(--cream)}
.news-date{flex:0 0 auto;text-align:center;background:var(--cream-deep);border-radius:var(--radius-sm);padding:.5rem .8rem;min-width:66px}
.news-date b{font-family:var(--font-serif);font-size:1.3rem;color:var(--terracotta-deep);display:block;line-height:1}
.news-date span{font-size:.7rem;color:var(--ink-soft)}
.news-item h4{font-size:1.05rem;font-family:var(--font-sans);font-weight:700}
.news-item p{font-size:.85rem;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

/* donate band */
.donate{position:relative;border-radius:var(--radius);overflow:hidden;padding:clamp(2.5rem,6vw,4rem);text-align:center;color:#fff;isolation:isolate}
.donate::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,var(--terracotta) 0%,var(--terracotta-deep) 100%)}
.donate::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.15;background-image:radial-gradient(circle at 20% 30%,#fff 1.5px,transparent 1.5px);background-size:26px 26px}
.donate h2{color:#fff;font-size:clamp(1.8rem,4.5vw,2.8rem)}
.donate p{max-width:52ch;margin:1rem auto 2rem;opacity:.95}
.donate .btn-light{font-size:1.05rem;padding:1rem 2.2rem}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#e9ddd2;padding-block:3.5rem 2rem;margin-top:4rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem}
.site-footer h4{color:#fff;font-size:1.05rem;margin-bottom:1rem}
.site-footer a{color:#cbb8a8;font-size:.92rem;display:block;padding:.25rem 0}
.site-footer a:hover{color:var(--amber)}
.foot-brand p{font-size:.9rem;color:#bfaa99;margin-top:1rem;max-width:36ch;line-height:1.8}
.foot-contact li{list-style:none;font-size:.9rem;color:#cbb8a8;padding:.3rem 0;display:flex;gap:.6rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.5rem;font-size:.82rem;color:#9c8a7b;text-align:center}

/* ---------- article (story page) ---------- */
.article-hero{position:relative;padding-block:clamp(2.5rem,6vw,4.5rem);background:linear-gradient(160deg,var(--cream),var(--cream-deep))}
.article-hero .wrap{max-width:820px}
.article-hero .chip{font-size:.75rem;font-weight:700;letter-spacing:.12em;color:var(--terracotta);background:var(--amber-soft);padding:.3rem .8rem;border-radius:100px}
.article-hero h1{font-size:clamp(2rem,4.6vw,3rem);margin:1.1rem 0 .8rem}
.article-hero .meta{color:var(--ink-soft);font-size:.9rem;display:flex;gap:1.2rem;flex-wrap:wrap}
.article-cover{max-width:900px;margin:-1.5rem auto 0;padding-inline:clamp(1.1rem,4vw,2rem)}
.article-cover img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:16/9;object-fit:cover}
.article-body{max-width:720px;margin-inline:auto;padding-block:clamp(2rem,5vw,3.5rem);font-size:1.06rem;line-height:2}
.article-body p{margin-bottom:1.4rem;color:#4a3c33}
.article-body img{border-radius:var(--radius-sm);margin:1.8rem auto;box-shadow:var(--shadow-sm)}
.article-body h2,.article-body h3{margin:2rem 0 1rem}
.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:1rem}
.breadcrumb a:hover{color:var(--terracotta)}

/* ---------- list / archive page ---------- */
.page-hero{background:linear-gradient(160deg,var(--cream),var(--cream-deep));padding-block:clamp(2.5rem,6vw,4rem);text-align:center}
.page-hero h1{font-size:clamp(2rem,5vw,3rem)}
.page-hero p{color:var(--ink-soft);margin-top:.7rem}
.filter{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-top:1.6rem}
.filter a{padding:.5rem 1.1rem;border-radius:100px;font-size:.9rem;font-weight:500;background:#fff;box-shadow:var(--shadow-sm);transition:.2s}
.filter a.active,.filter a:hover{background:var(--terracotta);color:#fff}

/* ---------- reveal animation (progressive enhancement) ---------- */
/* visible by default; only hidden when JS is active, so no-JS users still see everything */
html.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
html.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero p.lead{margin-inline:auto}
  .hero-cta{justify-content:center}
  .collage{max-width:420px;margin-inline:auto;margin-top:1.5rem}
  .services{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:1.4rem}
  .stats .st:nth-child(3){border-left:none}
}
@media (max-width:640px){
  .menu,.nav-cta .btn-ghost{display:none}
  .hamburger{display:block}
  .cards{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .stats .st+.st{border-left:none}
  .topbar .tb-contact{display:none}
  /* mobile menu panel */
  .menu.open{display:flex;position:fixed;inset:0;top:0;flex-direction:column;background:var(--cream);z-index:60;padding:5rem 2rem 2rem;gap:.4rem;overflow:auto}
  .menu.open > li > a{font-size:1.2rem;padding:.8rem 0;border-bottom:1px solid var(--cream-deep)}
  .menu.open .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding-left:1rem;background:transparent}
  .mobile-close{display:block;position:fixed;top:1.4rem;right:1.4rem;z-index:61;background:none;border:none;font-size:2rem;color:var(--ink)}
}
.mobile-close{display:none}