/* ============================================================
   小鎮文創股份有限公司 · TownWay 官方網站
   共用樣式 style.css
   ============================================================ */

:root{
  --green:        #3d6b50;
  --green-deep:   #2c4f3c;
  --green-soft:   #eaf1e9;
  --ink:          #232a22;
  --ink-soft:     #4c5549;
  --paper:        #f7f1e4;
  --paper-deep:   #ede3cf;
  --amber:        #d19a54;
  --amber-deep:   #8f5e26;
  --amber-soft:   #e6b877;
  --line:         #d8decb;
  --white:        #ffffff;

  --serif:  "Noto Serif TC", "PMingLiU", serif;
  --sans:   "Noto Sans TC", "Microsoft JhengHei", sans-serif;

  --shadow: 0 18px 45px -22px rgba(35,42,34,.45);
  --radius: 14px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:var(--green); text-decoration:none; }
a:hover{ color:var(--amber-deep); }
ul,ol{ list-style:none; }
button{ font-family:inherit; cursor:pointer; }
strong{ font-weight:700; }
::selection{ background:var(--green); color:#fff; }

h1,h2,h3,h4{ font-family:var(--serif); font-weight:700; line-height:1.35; letter-spacing:.02em; }
p{ margin:0 0 1em; }

/* ---------- Layout ---------- */
.wrap{ width:min(1160px,92%); margin-inline:auto; }

.section{ padding:88px 0; }
.section--tint{ background:var(--white); border-block:1px solid var(--line); }
.section--mint{ background:var(--green-soft); }
.section--dark{ background:var(--green-deep); color:#eaf2e9; }
.section--paper{ background:var(--paper-deep); }

.section-head{ max-width:760px; margin-bottom:52px; }
.section-head--center{ margin-inline:auto; text-align:center; }
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--sans); font-size:13px; font-weight:700;
  letter-spacing:.22em; text-transform:uppercase; color:var(--amber-deep);
  margin-bottom:14px;
}
.kicker::before{ content:""; width:26px; height:2px; background:var(--amber); display:inline-block; }
.section-head--center .kicker::after{ content:""; width:26px; height:2px; background:var(--amber); display:inline-block; }
.section-head h2{ font-size:clamp(1.7rem,3.4vw,2.4rem); margin-bottom:12px; }
.section-head p{ color:var(--ink-soft); margin:0; }

/* ---------- 按鈕 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px; border-radius:999px;
  font-weight:700; font-size:15px; letter-spacing:.06em;
  border:2px solid transparent; transition:.25s ease; text-align:center;
}
.btn--primary{ background:var(--green); color:#fff; }
.btn--primary:hover{ background:var(--green-deep); color:#fff; transform:translateY(-2px); }
.btn--amber{ background:var(--amber); color:var(--ink); }
.btn--amber:hover{ background:var(--amber-deep); color:#fff; transform:translateY(-2px); }
.btn--ghost{ border-color:var(--green); color:var(--green); background:transparent; }
.btn--ghost:hover{ background:var(--green); color:#fff; transform:translateY(-2px); }
.btn--ghost-light{ border-color:#fff; color:#fff; background:transparent; }
.btn--ghost-light:hover{ background:#fff; color:var(--green-deep); transform:translateY(-2px); }
.btn--sm{ padding:9px 18px; font-size:13px; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(247,241,228,.9);
  -webkit-backdrop-filter:saturate(1.4) blur(10px);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid rgba(35,42,34,.08);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{ background:rgba(247,241,228,.97); box-shadow:0 10px 30px -22px rgba(35,42,34,.5); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:74px; }
.brand{ display:flex; align-items:center; gap:12px; color:var(--ink); }
.brand:hover{ color:var(--green); }
.brand-mark{ width:44px; height:44px; border-radius:12px; background:var(--green); color:#fff; display:grid; place-items:center; flex:none; }
.brand-mark svg{ width:26px; height:26px; }
.brand-name{ display:block; font-family:var(--serif); font-weight:700; font-size:19px; letter-spacing:.14em; line-height:1.1; }
.brand-sub{ display:block; font-size:10.5px; letter-spacing:.3em; color:var(--amber-deep); font-weight:700; }

.main-nav ul{ display:flex; align-items:center; gap:4px; }
.main-nav a{
  display:block; padding:10px 14px; border-radius:10px;
  color:var(--ink-soft); font-weight:700; font-size:15px; transition:all .2s;
}
.main-nav a:hover{ color:var(--green); background:rgba(61,107,80,.08); }
.main-nav a.active{ color:var(--green); background:rgba(61,107,80,.12); }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px; }
.nav-toggle span{ width:24px; height:2px; background:var(--ink); border-radius:2px; transition:.3s; }

/* ---------- Hero 首頁 ---------- */
.hero{
  position:relative; padding:120px 0 150px;
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(210,155,86,.18), transparent 60%),
    radial-gradient(700px 400px at 92% 6%, rgba(61,107,80,.16), transparent 55%),
    linear-gradient(180deg, var(--paper) 0%, #f3ecd9 100%);
  overflow:hidden;
}
.hero-inner{ position:relative; z-index:2; max-width:820px; }
.hero h1{ font-size:clamp(34px,5.4vw,58px); line-height:1.22; margin:6px 0 20px; }
.hero h1 em{ font-style:normal; color:var(--green); }
.hero .lead{ font-size:clamp(17px,2vw,20px); color:var(--ink-soft); max-width:600px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }

/* 竹影剪影（背景） */
.hero-bamboo{ position:absolute; inset:0; pointer-events:none; }
.hero-bamboo .culm{
  position:absolute; bottom:0; width:3px; background:linear-gradient(180deg, transparent, rgba(61,107,80,.28));
  border-radius:3px;
}
.leaf{
  position:absolute; width:22px; height:6px; border-radius:100%;
  background:rgba(61,107,80,.4); transform-origin:left center;
}
.hero-hills{ position:absolute; left:0; right:0; bottom:0; z-index:1; line-height:0; }
.hero-hills svg{ width:100%; height:auto; }

/* ---------- 頁首橫幅（內頁） ---------- */
.page-hero{
  position:relative; background:var(--green-deep); color:#eef3e9;
  padding:84px 0 96px; overflow:hidden; text-align:center;
}
.page-hero::before{
  content:""; position:absolute; inset:auto 0 0 0; height:120px;
  background:
    radial-gradient(340px 200px at 22% 130%, rgba(209,154,84,.35), transparent 65%),
    radial-gradient(400px 220px at 82% 140%, rgba(255,255,255,.14), transparent 60%);
}
.page-hero .crumb{ font-size:13px; letter-spacing:.25em; color:var(--amber-soft); font-weight:700; margin-bottom:10px; }
.page-hero h1{ font-size:clamp(30px,5vw,46px); position:relative; }
.page-hero p{ color:#cfe0cd; max-width:640px; margin-inline:auto; position:relative; }

/* ---------- 卡片 ---------- */
.grid{ display:grid; gap:26px; }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--2{ grid-template-columns:repeat(2,1fr); }

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 28px; position:relative; overflow:hidden;
  transition:transform .28s ease, box-shadow .28s ease, border-color .28s;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); border-color:rgba(61,107,80,.35); }
.card .icon{
  width:58px; height:58px; border-radius:16px; display:grid; place-items:center;
  background:var(--green-soft); color:var(--green); margin-bottom:20px;
}
.card .icon svg{ width:30px; height:30px; }
.card h3{ font-size:21px; margin-bottom:10px; }
.card p{ color:var(--ink-soft); font-size:15px; }
.card .tag{ display:inline-block; font-size:12px; font-weight:700; letter-spacing:.14em; color:var(--amber-deep); margin-bottom:12px; }

/* ---------- 數字牆 ---------- */
.stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:rgba(255,255,255,.14); border-radius:16px; overflow:hidden;
}
.stat{ background:var(--green-deep); padding:38px 24px; text-align:center; }
.stat .num{
  font-family:var(--serif); font-size:clamp(34px,4vw,48px); font-weight:700; color:#fff; line-height:1;
}
.stat .num small{ font-size:.55em; color:var(--amber); margin-left:2px; }
.stat .label{ margin-top:10px; color:#cfe3cf; font-size:14px; letter-spacing:.08em; }

/* ---------- 品牌引言 ---------- */
.credo{ max-width:760px; margin-inline:auto; text-align:center; }
.credo blockquote{
  font-family:var(--serif); font-size:clamp(22px,3.4vw,32px); line-height:1.6; margin:20px 0 10px;
}
.credo .mark{ color:var(--amber); font-size:52px; line-height:.6; display:block; margin-bottom:6px; }

/* ---------- 時間軸 ---------- */
.timeline{ position:relative; max-width:820px; margin-inline:auto; padding-left:0; }
.timeline::before{
  content:""; position:absolute; left:112px; top:8px; bottom:8px; width:2px;
  background:linear-gradient(180deg, var(--line), var(--green), var(--line));
}
.tl-item{ position:relative; display:grid; grid-template-columns:112px 1fr; gap:28px; padding:0 0 42px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-year{ font-family:var(--serif); font-size:22px; font-weight:700; color:var(--green); text-align:right; padding-top:2px; }
.tl-item::after{
  content:""; position:absolute; left:112px; top:8px; width:14px; height:14px; border-radius:50%;
  background:var(--paper); border:4px solid var(--amber); transform:translateX(-50%);
  box-sizing:content-box;
}
.tl-body h3{ font-size:19px; margin-bottom:6px; }
.tl-body p{ color:var(--ink-soft); font-size:15px; }

/* ---------- 步驟 ---------- */
.steps{ counter-reset:step; display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.step{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:28px 22px; position:relative; }
.step::before{
  counter-increment:step; content:counter(step, decimal-leading-zero);
  font-family:var(--serif); font-size:30px; font-weight:700; color:var(--amber-deep);
  display:block; margin-bottom:10px;
}
.step h3{ margin-bottom:6px; font-size:16.5px; }
.step p{ font-size:14.5px; color:var(--ink-soft); margin:0; }

/* ---------- FAQ 手風琴 ---------- */
.faq{ max-width:820px; margin-inline:auto; }
.faq-item{ background:#fff; border:1px solid var(--line); border-radius:12px; margin-bottom:12px; overflow:hidden; }
.faq-item summary{
  display:flex; align-items:center; gap:14px; padding:18px 22px; cursor:pointer;
  font-weight:700; font-size:16px; list-style:none; user-select:none;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:+; width:26px; height:26px; flex:none; margin-left:auto; border-radius:50%;
  background:var(--green-soft); color:var(--green); display:grid; place-items:center;
  font-size:20px; line-height:1; transition:transform .25s ease;
}
.faq-item[open] summary::after{ transform:rotate(45deg); background:var(--green); color:#fff; }
.faq-body{ padding:0 22px 18px; color:var(--ink-soft); font-size:15px; }

/* ---------- 地圖 ---------- */
.map-frame{ border-radius:16px; overflow:hidden; border:1px solid var(--line); box-shadow:var(--shadow); line-height:0; }
.map-frame iframe{ width:100%; height:420px; border:0; }

/* ---------- 表單 ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:7px; }
.field--full{ grid-column:1/-1; }
.field label{ font-size:14px; font-weight:700; letter-spacing:.04em; }
.field input,.field select,.field textarea{
  font-family:inherit; font-size:15px; color:var(--ink);
  background:#fff; border:1.6px solid var(--line); border-radius:11px; padding:12px 14px;
  transition:border-color .2s, box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--green); box-shadow:0 0 0 4px rgba(61,107,80,.12);
}
.field textarea{ resize:vertical; min-height:130px; }
.form-note{ font-size:13.5px; color:var(--ink-soft); margin-top:8px; }
.form-msg{ display:none; margin-top:16px; padding:14px 18px; border-radius:11px; font-weight:700; font-size:15px; }
.form-msg.show{ display:block; }
.form-msg.ok{ background:var(--green-soft); color:var(--green-deep); border:1px solid rgba(61,107,80,.3); }
.form-msg.warn{ background:#fbe8e7; color:#a03a32; border:1px solid rgba(160,58,50,.3); }

/* ---------- 新聞 ---------- */
.news-list{ display:grid; gap:16px; }
.news-item{
  display:grid; grid-template-columns:120px 1fr; gap:24px; align-items:start;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 24px; transition:transform .22s, box-shadow .22s;
}
.news-item:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }
.news-date{ font-family:var(--serif); font-size:19px; font-weight:700; color:var(--amber-deep); border-right:2px dashed var(--line); padding-right:22px; }
.news-date small{ display:block; font-family:var(--sans); font-size:12px; color:var(--ink-soft); font-weight:400; }
.news-item h3{ font-size:18px; margin-bottom:6px; }
.news-item p{ color:var(--ink-soft); font-size:14.5px; margin:0; }
.news-tag{ display:inline-block; font-size:11.5px; font-weight:700; letter-spacing:.12em; color:var(--green); background:var(--green-soft); border-radius:999px; padding:3px 12px; margin-bottom:8px; }

/* ---------- 特徵列 ---------- */
.value-row{ display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center; }
.value-row + .value-row{ margin-top:72px; }
.value-visual{ position:relative; }
.value-visual .art{
  aspect-ratio:4/3; border-radius:18px; position:relative; overflow:hidden;
  background:
    radial-gradient(500px 260px at 20% 0%, rgba(209,154,84,.25), transparent 60%),
    linear-gradient(160deg, var(--green-soft), var(--paper-deep));
  border:1px solid var(--line);
}
.value-visual .art svg{ position:absolute; inset:0; width:100%; height:100%; }
.value-copy h3,.value-copy h2{ font-size:26px; margin-bottom:12px; }
.value-copy p{ color:var(--ink-soft); }
.value-copy ul li{
  position:relative; padding-left:26px; color:var(--ink-soft); margin-bottom:10px; font-size:15px;
}
.value-copy ul li::before{
  content:""; position:absolute; left:4px; top:9px; width:10px; height:10px; border-radius:2px;
  background:var(--amber); transform:rotate(45deg);
}

/* ---------- Footer ---------- */
.site-footer{ background:var(--green-deep); color:#d7e3cf; position:relative; overflow:hidden; }
.site-footer::before{
  content:""; position:absolute; inset:auto 0 0 0; height:70px; opacity:.5;
  background:
    radial-gradient(380px 90px at 15% 100%, rgba(209,154,84,.25), transparent 60%),
    radial-gradient(420px 100px at 85% 100%, rgba(255,255,255,.08), transparent 60%);
}
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:36px; padding:64px 0 40px; position:relative; z-index:1; }
.footer-col h3{ color:#fff; font-size:16px; margin-bottom:16px; letter-spacing:.1em; }
.footer-col p,.footer-col li{ font-size:14.5px; }
.footer-col a{ color:#c2d3b8; }
.footer-col a:hover{ color:#fff; }
.footer-about .brand-desc{ margin-top:14px; font-size:14.5px; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding:20px 0; position:relative;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  font-size:13px; color:#b3c4a7;
}

/* ---------- Reveal ---------- */
html.js .reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
html.js .reveal.revealed{ opacity:1; transform:none; }
html.js .reveal-delay-1{ transition-delay:.1s; }
html.js .reveal-delay-2{ transition-delay:.2s; }
html.js .reveal-delay-3{ transition-delay:.3s; }
html.no-js .reveal{ opacity:1; transform:none; }

/* ---------- 響應式 ---------- */
@media (max-width:960px){
  .grid--3{ grid-template-columns:repeat(2,1fr); }
  .grid--2{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:repeat(2,1fr); }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .value{ grid-template-columns:1fr; }
  .value-row{ gap:30px; }
  .form-grid{ grid-template-columns:1fr; }
  .timeline::before{ left:6px; }
  .tl-item{ grid-template-columns:1fr; padding-left:36px; gap:4px; }
  .tl-year{ text-align:left; }
  .tl-item::after{ left:0; }
  .news-item{ grid-template-columns:1fr; gap:10px; }
  .news-date{ border-right:none; border-bottom:2px dashed var(--line); padding:0 0 10px; }
}
@media (max-width:720px){
  .section{ padding:64px 0; }
  .main-nav{
    position:fixed; inset:74px 0 auto 0; background:var(--paper); z-index:150;
    padding:18px 5%; border-bottom:1px solid var(--line);
    transform:translateY(-12px); opacity:0; visibility:hidden;
    transition:.28s ease; box-shadow:0 28px 40px -30px rgba(35,42,34,.6);
  }
  .main-nav.open{ transform:none; opacity:1; visibility:visible; }
  .main-nav ul{ flex-direction:column; align-items:stretch; }
  .main-nav a{ padding:13px 16px; }
  .nav-toggle{ display:flex; }
  .hero{ padding:84px 0 120px; }
  .grid--3{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
}

@media (prefers-reduced-motion: reduce){
  html.js .reveal{ opacity:1; transform:none; transition:none; }
  *{ scroll-behavior:auto !important; }
}