:root{
  --ink:#0c1c16;
  --ink-soft:#2a4338;
  --forest:#146b4a;
  --leaf:#1f9a5a;
  --sky:#2aa0cc;
  --mist:#eef5f1;
  --paper:#f7faf8;
  --white:#ffffff;
  --line:rgba(20,40,32,.1);
  --glass:rgba(255,255,255,.72);
  --shadow:0 18px 50px rgba(12,28,22,.1);
  --radius:22px;
  --max:1180px;
  --nav-h:82px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:"Noto Sans TC","Outfit",system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(var(--max), calc(100% - 40px));margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  letter-spacing:.16em;text-transform:uppercase;
  font-family:"Outfit",sans-serif;font-size:12px;font-weight:600;
  color:var(--forest);
}
.eyebrow:before{content:"";width:18px;height:1.5px;background:linear-gradient(90deg,var(--sky),var(--leaf))}
h1,h2,h3{font-weight:700;line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(36px,6vw,68px);letter-spacing:-.03em}
h2{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.02em}
h3{font-size:22px}
p{margin:0 0 1em;color:var(--ink-soft)}
.lead{font-size:1.08rem;max-width:40em}

/* Nav */
.nav{
  position:sticky;top:0;z-index:50;height:var(--nav-h);
  display:flex;align-items:center;
  backdrop-filter:blur(18px) saturate(1.2);
  background:rgba(247,250,248,.78);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;width:min(var(--max), calc(100% - 40px));margin:0 auto}
.logo{display:flex;align-items:center;flex:0 0 auto}
.logo img{height:52px;width:auto}
.menu{display:flex;gap:4px;align-items:center;margin-left:auto;list-style:none;padding:0}
.menu>li{position:relative}
.menu a{
  text-decoration:none;padding:10px 12px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-soft);
}
.menu a:hover,.menu a.active{color:var(--ink);background:rgba(20,107,74,.08)}
.drop{position:absolute;top:calc(100% + 8px);left:0;min-width:240px;
  background:var(--glass);backdrop-filter:blur(20px);
  border:1px solid var(--line);border-radius:16px;padding:8px;
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(8px);
  transition:.25s ease}
.menu>li:hover .drop,.menu>li:focus-within .drop{opacity:1;pointer-events:auto;transform:none}
.drop a{display:block;padding:9px 12px;border-radius:10px;font-size:13.5px}
.nav-cta{display:flex;gap:8px;align-items:center;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  text-decoration:none;border:0;cursor:pointer;
  padding:12px 20px;border-radius:999px;font-weight:600;font-size:14px;
  transition:transform .25s ease, box-shadow .25s ease, background .25s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--sky),var(--leaf));color:#fff;box-shadow:0 10px 24px rgba(32,154,90,.28)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.phone{font-family:"Outfit",sans-serif;font-weight:600;font-size:14px;text-decoration:none;color:var(--ink)}
.burger{display:none;background:none;border:0;width:44px;height:44px}
.burger span{display:block;height:2px;background:var(--ink);margin:6px 8px}

/* Hero */
.hero{position:relative;min-height:calc(100vh - var(--nav-h));display:grid;place-items:end start;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:ken 22s ease-in-out alternate infinite}
@keyframes ken{to{transform:scale(1)}}
.hero-media:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,20,16,.25) 0%,rgba(8,20,16,.55) 48%,rgba(8,20,16,.78) 100%);
}
.air{position:absolute;inset:0;pointer-events:none;z-index:1}
.hero-copy{position:relative;z-index:2;padding:0 0 88px;width:min(var(--max), calc(100% - 40px));margin:0 auto}
.hero-copy .eyebrow{color:#d9f6e6}
.hero-copy h1{color:#fff;max-width:12em}
.hero-copy p{color:rgba(255,255,255,.86);max-width:36em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.scroll-hint{position:absolute;bottom:28px;right:max(20px, calc((100% - var(--max))/2));color:#fff;font-size:12px;letter-spacing:.12em;z-index:2}

/* Surfaces */
section{padding:88px 0}
.panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 10px 40px rgba(12,28,22,.05);
}
.glass{
  background:rgba(255,255,255,.68);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split.reverse{grid-template-columns:.95fr 1.05fr}
.split.reverse .copy{order:2}
.media-frame{border-radius:28px;overflow:hidden;position:relative;min-height:320px;box-shadow:var(--shadow)}
.media-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.media-frame:after{content:"";position:absolute;inset:auto 18px 18px 18px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;
  box-shadow:0 8px 30px rgba(12,28,22,.05);
  transition:transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s;
  text-decoration:none;color:inherit;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-8px);box-shadow:0 24px 50px rgba(12,28,22,.12)}
.card .pic{height:190px;overflow:hidden}
.card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.card:hover .pic img{transform:scale(1.06)}
.card .body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.card h3{margin-bottom:8px}
.card p{flex:1;font-size:14.5px}
.card .more{font-size:13px;font-weight:700;color:var(--forest)}

.clients{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:center}
.clients img{width:100%;height:140px;object-fit:contain;background:#fff;border-radius:16px;border:1px solid var(--line);padding:16px;filter:grayscale(.2)}

table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;border-radius:16px;overflow:hidden}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--mist);font-weight:650}

.cta-band{
  margin:0 auto;width:min(var(--max), calc(100% - 40px));
  padding:48px;border-radius:28px;color:#fff;
  background:
    radial-gradient(800px 200px at 10% 0%, rgba(42,160,204,.45), transparent 50%),
    linear-gradient(135deg,#0e2a20 0%, #146b4a 55%, #1c8d8a 100%);
  display:flex;justify-content:space-between;align-items:center;gap:24px;
}
.cta-band p{color:rgba(255,255,255,.84)}

footer{padding:56px 0 28px;background:#fff;color:var(--ink-soft);margin-top:40px;border-top:1px solid var(--line)}
footer a{color:var(--ink-soft);text-decoration:none}
footer a:hover{color:var(--forest)}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}
.foot-grid h4{color:var(--ink);margin:0 0 12px;font-size:15px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14px}
.foot-grid p{color:var(--ink-soft)}
.legal{margin-top:32px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#6b7f76}

.wa-icon{width:1.1em;height:1.1em;display:block;flex-shrink:0}
.btn .wa-icon{width:16px;height:16px}
.foot-grid .wa-icon{width:16px;height:16px;color:#25D366;display:inline-block;vertical-align:-3px;margin-right:6px}
.wa{
  position:fixed;right:20px;bottom:20px;z-index:40;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(37,211,102,.4);text-decoration:none;
  transition:transform .25s ease, box-shadow .25s ease;
}
.wa:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 14px 28px rgba(37,211,102,.48)}
.wa .wa-icon{width:30px;height:30px}
.reveal{opacity:0;transform:translateY(28px);animation:up .9s cubic-bezier(.2,.7,.2,1) forwards}
.reveal:nth-child(2){animation-delay:.1s}
.reveal:nth-child(3){animation-delay:.18s}
.reveal:nth-child(4){animation-delay:.26s}
@keyframes up{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .reveal,.hero-media img{animation:none!important;opacity:1;transform:none}
  html{scroll-behavior:auto}
}
.page-hero{padding:72px 0 36px}
.page-hero h1{max-width:14em}
.crumbs{font-size:13px;color:var(--ink-soft);margin-bottom:14px}
.crumbs a{color:var(--forest);text-decoration:none}

.form{display:grid;gap:12px}
.form input,.form textarea{
  width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);
  font:inherit;background:#fff;
}
.form textarea{min-height:120px;resize:vertical}

@media (max-width:980px){
  .split,.split.reverse{grid-template-columns:1fr}
  .split.reverse .copy{order:0}
  .grid-3,.grid-4,.clients,.foot-grid{grid-template-columns:1fr 1fr}
  .menu{display:none}
  .menu.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(247,250,248,.96);padding:16px 20px 24px;border-bottom:1px solid var(--line)}
  .drop{position:static;opacity:1;pointer-events:auto;transform:none;box-shadow:none;background:transparent;border:0;padding-left:8px}
  .burger{display:block}
  .phone{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .nav-inner{width:calc(100% - 24px)}
}
@media (max-width:640px){
  .grid-3,.grid-4,.clients,.foot-grid{grid-template-columns:1fr}
  section{padding:64px 0}
}