/* 林老師裝修講堂｜共用樣式 */
:root{
  --ink:#16302c; --muted:#5b6b67; --line:#e4e0d6; --paper:#fffdf8; --cream:#fbf5e8;
  --green:#0d4a42; --green-2:#0a3a34; --orange:#f6a623; --orange-soft:#fff1d6;
  --accent:var(--green); --accent-ink:#fff; --hi:var(--orange); --hi-soft:var(--orange-soft);
  --radius:18px; --max:1040px;
}
body.t-navy{ --accent:#063f81; --hi:#f4d21a; --hi-soft:#fff8cf; }
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans TC",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;font-size:17px;line-height:1.75;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:var(--accent)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;font-weight:900;letter-spacing:.02em}
h2{font-size:clamp(26px,5vw,36px)}
h3{font-size:20px}
p{margin:0 0 1em}
.eyebrow{display:inline-block;font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--accent);background:var(--hi-soft);padding:4px 12px;border-radius:99px;margin-bottom:14px}
section{padding:64px 0}
section.alt{background:var(--cream)}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:58px;gap:12px}
.brand{font-weight:900;color:var(--ink);text-decoration:none;font-size:16px;white-space:nowrap}
.brand small{font-weight:500;color:var(--muted);margin-left:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font:inherit;font-weight:900;text-decoration:none;border-radius:99px;padding:14px 28px;background:var(--accent);color:var(--accent-ink);font-size:17px;transition:transform .15s, box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.12)}
.btn.small{padding:9px 18px;font-size:15px}
.btn.hi{background:var(--hi);color:var(--ink)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* hero */
.hero{padding:40px 0 56px;background:linear-gradient(180deg,var(--cream),var(--paper))}
.hero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(32px,6.4vw,54px)}
.hero h1 em{font-style:normal;color:var(--accent);background:linear-gradient(transparent 62%,var(--hi-soft) 62%)}
.hero .lead{font-size:19px;color:var(--muted)}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px;padding:0;list-style:none}
.facts li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 14px;font-size:15px;font-weight:700}
.facts li b{color:var(--accent)}
.poster{border-radius:var(--radius);box-shadow:0 18px 40px rgba(22,48,44,.18);transform:rotate(1.2deg)}
.seat-pill{display:inline-flex;align-items:center;gap:8px;font-weight:900;color:var(--accent);margin-left:14px;font-size:15px}
.seat-pill::before{content:"";width:9px;height:9px;border-radius:50%;background:#e2483d;box-shadow:0 0 0 4px rgba(226,72,61,.18)}

/* pain points */
.pains{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.pain{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 18px;position:relative}
.pain .q{font-weight:900;font-size:18px;margin-bottom:6px}
.pain p{color:var(--muted);margin:0;font-size:16px}
.callout{margin-top:28px;background:var(--accent);color:#fff;border-radius:var(--radius);padding:26px 28px;font-size:18px}
.callout b{color:var(--hi)}

/* outcomes */
.outcomes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.outcome{background:#fff;border-radius:var(--radius);padding:24px;border-top:5px solid var(--hi)}
.outcome .n{font-size:34px;font-weight:900;color:var(--accent);line-height:1}
.outcome h3{margin-top:10px}
.outcome p{color:var(--muted);font-size:16px;margin:0}

/* timeline */
.timeline{margin-top:28px;border-left:3px solid var(--hi);padding-left:26px;display:grid;gap:22px}
.tl{position:relative}
.tl::before{content:"";position:absolute;left:-35px;top:6px;width:15px;height:15px;border-radius:50%;background:var(--accent);border:3px solid var(--paper)}
.tl .time{font-size:14px;font-weight:900;color:var(--accent);letter-spacing:.06em}
.tl h3{margin:2px 0 4px}
.tl ul{margin:6px 0 0;padding-left:20px;color:var(--muted);font-size:16px}
.note{font-size:14px;color:var(--muted);background:var(--hi-soft);border-radius:10px;padding:10px 14px;margin-top:18px}

/* value compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.compare .box{border-radius:var(--radius);padding:24px;background:#fff;border:1px solid var(--line)}
.compare .box.win{border:2px solid var(--accent)}
.compare .price{font-size:32px;font-weight:900}
.compare .box.win .price{color:var(--accent)}
.compare .lbl{font-weight:700;color:var(--muted);font-size:15px}

/* teacher */
.teacher{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:center}
.teacher img{height:auto;width:100%;max-width:220px;border-radius:50%;border:6px solid var(--hi);aspect-ratio:1;object-fit:cover}
.creds{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.creds li{padding-left:24px;position:relative;font-size:16px}
.creds li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:900}

/* gallery */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.gallery img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%}

/* reviews */
.rating{display:flex;align-items:center;gap:14px;margin:6px 0 24px}
.rating .big{font-size:44px;font-weight:900;color:var(--accent);line-height:1}
.stars{color:#f2a900;letter-spacing:2px}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column}
.review p{flex:1;font-size:16px}
.review .who{font-weight:700;font-size:14px;color:var(--muted)}
.src{font-size:13px;color:var(--muted);margin-top:14px}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px}
summary{font-weight:900;cursor:pointer;list-style:none;position:relative;padding-right:28px}
summary::-webkit-details-marker{display:none}
summary::after{content:"＋";position:absolute;right:0;top:0;color:var(--accent)}
details[open] summary::after{content:"－"}
details p{margin:10px 0 0;color:var(--muted);font-size:16px}

/* info + map */
.info{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 16px}
.info dt{font-weight:900;color:var(--accent)}
.info dd{margin:0}
.map{border:0;width:100%;height:100%;min-height:280px;border-radius:var(--radius)}
.access{display:grid;gap:8px;margin-top:18px;font-size:16px}

/* signup */
#signup{background:var(--accent);color:#fff}
#signup h2{color:#fff}
#signup .eyebrow{background:rgba(255,255,255,.14);color:var(--hi)}
.signup-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
.price-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:24px}
.price-card .amt{font-size:48px;font-weight:900;color:var(--hi);line-height:1.1}
.price-card ul{padding-left:20px;margin:14px 0 0}
form.card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:26px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:900;font-size:15px;margin-bottom:6px}
.field label .req{color:#d0392b;margin-left:3px}
.field .hint{font-size:13px;color:var(--muted);margin-top:4px}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;font:inherit;font-size:17px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--hi-soft)}
.radio-row{display:flex;gap:10px;flex-wrap:wrap}
.radio-row label{display:flex;align-items:center;gap:6px;font-weight:500;border:1.5px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer}
.radio-row input{accent-color:var(--accent)}
.invoice-extra{display:none}
.invoice-extra.on{display:block}
.agree{font-size:14px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.agree input{margin-top:6px;accent-color:var(--accent);width:18px;height:18px;flex:none}
.form-msg{margin-top:12px;font-weight:700;color:#d0392b;min-height:1em}
.policy{background:rgba(255,255,255,.08);border-radius:14px;padding:18px 20px;margin-top:20px;font-size:15px}
.policy h3{color:var(--hi);font-size:17px}
.policy ul{margin:0;padding-left:20px}

/* other courses */
.others{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.other{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-decoration:none;color:var(--ink)}
.other img{width:96px;border-radius:10px;aspect-ratio:4/5;object-fit:cover}
.other .d{color:var(--accent);font-weight:900;font-size:14px}
.other .pr{font-weight:900;margin-top:4px}
@media (max-width:820px){.others{grid-template-columns:1fr}}
footer{padding:36px 0 110px;font-size:14px;color:var(--muted);background:var(--cream)}
footer .wrap{display:grid;gap:6px}

/* mobile sticky cta */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:none;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -6px 20px rgba(0,0,0,.06);transition:transform .25s}
.sticky-cta .p{font-weight:900;font-size:20px;color:var(--accent);line-height:1.1}
.sticky-cta .p small{display:block;font-size:12px;color:var(--muted);font-weight:700}

@media (max-width:820px){
  body{font-size:16px}
  section{padding:48px 0}
  .wrap{padding:0 16px}
  .hero{padding-top:24px}
  .hero .grid,.signup-grid,.info,.teacher{grid-template-columns:1fr}
  .hero .poster-col{order:-1;max-width:420px;margin:0 auto}
  .poster{transform:none}
  .pains,.compare,.gallery{grid-template-columns:1fr}
  .outcomes,.reviews{grid-template-columns:1fr}
  .teacher img{width:180px;margin:0 auto}
  .creds{grid-template-columns:1fr}
  .sticky-cta{display:flex}
  .topbar .btn{display:none}
  .brand small{display:none}
}