/* ===================================================================
   綠竹弄民宿 BAMHOUSE — stylesheet
   =================================================================== */

:root{
  --green-900:#1f4d2e;
  --green-700:#2f6b42;
  --green-600:#3d8253;
  --green-500:#52a06a;
  --green-300:#a9d4b3;
  --green-50:#eef6ef;
  --wood-700:#9a6b3f;
  --wood-500:#c08a52;
  --sand-200:#ece0c8;
  --cream:#fbf7ef;
  --ink:#26271f;
  --muted:#6b6e62;
  --sky:#4d9fd0;
  --berry:#e2705f;
  --white:#fff;

  --shadow-sm:0 4px 14px rgba(31,77,46,.08);
  --shadow-md:0 14px 36px rgba(31,77,46,.12);
  --shadow-lg:0 26px 60px rgba(31,77,46,.18);
  --radius:18px;
  --radius-lg:28px;

  --font-sans:"Noto Sans TC",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
  --font-round:"Baloo 2","Noto Sans TC",sans-serif;

  --header-h:74px;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
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}
ul{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-sans);font-weight:700;font-size:1rem;
  padding:.85em 1.9em;border-radius:999px;cursor:pointer;border:2px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-sm{padding:.6em 1.4em;font-size:.92rem}
.btn-primary{background:var(--green-600);color:#fff;box-shadow:0 10px 22px rgba(61,130,83,.32)}
.btn-primary:hover{background:var(--green-700);transform:translateY(-3px);box-shadow:0 16px 30px rgba(61,130,83,.4)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.8);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:#fff;color:var(--green-700);transform:translateY(-3px)}

/* ---------- section scaffolding ---------- */
.section{padding:96px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.eyebrow{
  font-family:var(--font-round);font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--green-600);font-size:.82rem;margin-bottom:14px;
}
.eyebrow.light{color:var(--green-300)}
.section-title{
  font-size:clamp(1.65rem,3.4vw,2.5rem);font-weight:900;line-height:1.3;
  color:var(--green-900);letter-spacing:.01em;
}
.section-lead{margin-top:16px;color:var(--muted);font-size:1.05rem}

/* ===================================================================
   HEADER
   =================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.scrolled{background:rgba(251,247,239,.92);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);height:64px}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:46px;height:46px;filter:drop-shadow(0 3px 6px rgba(0,0,0,.18))}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--font-sans);font-weight:900;font-size:1.32rem;color:#fff;letter-spacing:.04em}
.brand-sub{font-family:var(--font-round);font-weight:600;font-size:.7rem;letter-spacing:.16em;color:rgba(255,255,255,.85)}
.site-header.scrolled .brand-name{color:var(--green-900)}
.site-header.scrolled .brand-sub{color:var(--green-600)}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  font-weight:700;font-size:.96rem;color:#fff;padding:.5em .9em;border-radius:999px;
  transition:color .2s,background .2s;position:relative;
}
.main-nav a:hover{background:rgba(255,255,255,.16)}
.site-header.scrolled .main-nav a{color:var(--green-900)}
.site-header.scrolled .main-nav a:hover{background:var(--green-50);color:var(--green-700)}
.main-nav a.active{color:var(--green-300)}
.site-header.scrolled .main-nav a.active{color:var(--green-600)}
.nav-cta{background:var(--berry);color:#fff !important;box-shadow:0 8px 18px rgba(226,112,95,.4)}
.nav-cta:hover{background:#d15a48 !important;transform:translateY(-2px)}
.site-header.scrolled .nav-cta{color:#fff !important}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;border-radius:3px;background:#fff;transition:.3s}
.site-header.scrolled .nav-toggle span{background:var(--green-900)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===================================================================
   HERO
   =================================================================== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.08);animation:heroZoom 16s ease-out forwards;
}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(20,52,30,.82) 0%,rgba(20,52,30,.45) 45%,rgba(20,52,30,.25) 100%);
}
.hero-content{position:relative;z-index:2;max-width:760px;padding-top:80px}
.hero-eyebrow{
  font-family:var(--font-round);font-weight:700;letter-spacing:.28em;font-size:.9rem;
  color:var(--green-300);margin-bottom:18px;
}
.hero-title{font-size:clamp(3rem,9vw,6rem);font-weight:900;line-height:1;letter-spacing:.04em;text-shadow:0 6px 30px rgba(0,0,0,.4)}
.hero-tagline{font-size:clamp(1.15rem,2.6vw,1.7rem);font-weight:700;margin-top:18px;color:#fff}
.hero-desc{margin-top:18px;font-size:1.05rem;line-height:1.9;color:rgba(255,255,255,.92)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.hero-badges{
  position:absolute;left:0;right:0;bottom:96px;z-index:2;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;padding:0 24px;
}
.hero-badges span{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  backdrop-filter:blur(6px);color:#fff;font-weight:700;font-size:.92rem;
  padding:.55em 1.2em;border-radius:999px;
}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2;width:26px;height:42px;border:2px solid rgba(255,255,255,.7);border-radius:14px}
.scroll-cue span{position:absolute;top:8px;left:50%;width:4px;height:8px;background:#fff;border-radius:2px;transform:translateX(-50%);animation:scrollDot 1.6s infinite}
@keyframes scrollDot{0%{opacity:0;top:8px}40%{opacity:1}80%{opacity:0;top:22px}100%{opacity:0}}

/* ===================================================================
   ABOUT
   =================================================================== */
.about{background:linear-gradient(180deg,var(--cream),var(--green-50))}
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover}
.about-media::before{
  content:"";position:absolute;inset:-18px -18px 24px 24px;border:3px solid var(--green-300);
  border-radius:var(--radius-lg);z-index:-1;
}
.about-media-badge{
  position:absolute;right:-14px;bottom:-22px;background:var(--green-600);color:#fff;
  border-radius:16px;padding:14px 22px;box-shadow:var(--shadow-md);text-align:center;line-height:1.3;
}
.about-media-badge strong{display:block;font-size:1.05rem}
.about-media-badge span{font-size:.82rem;opacity:.9}
.about-text .section-title{margin-bottom:22px}
.about-text p{color:#43463c;margin-bottom:16px}
.about-text strong{color:var(--green-700)}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.about-points li{display:flex;gap:12px;align-items:flex-start}
.ap-ico{font-size:1.5rem;line-height:1.4;flex-shrink:0}
.about-points strong{display:block;color:var(--green-900);font-size:1rem}
.about-points div{font-size:.9rem;color:var(--muted);line-height:1.55}

/* ===================================================================
   ROOMS
   =================================================================== */
.rooms{background:var(--green-50)}
.room{
  display:grid;grid-template-columns:1.15fr 1fr;gap:54px;align-items:center;
  margin-bottom:80px;
}
.room:last-of-type{margin-bottom:30px}
.room-reverse .room-gallery{order:2}
.room-gallery .room-main{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);cursor:zoom-in;transition:transform .4s ease;
}
.room-gallery .room-main:hover{transform:scale(1.01)}
.room-thumbs{display:flex;gap:12px;margin-top:14px}
.thumb{
  flex:1;border:3px solid transparent;border-radius:14px;overflow:hidden;cursor:pointer;
  background:none;padding:0;transition:border-color .25s,transform .25s;aspect-ratio:3/2;
}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb:hover{transform:translateY(-3px)}
.thumb.is-active{border-color:var(--green-500)}

.room-tag{
  display:inline-block;font-weight:700;font-size:.82rem;padding:.4em 1.1em;border-radius:999px;
  margin-bottom:14px;color:#fff;
}
.tag-green{background:var(--green-500)}
.tag-blue{background:var(--sky)}
.tag-wood{background:var(--wood-500)}
.room-name{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:900;color:var(--green-900);line-height:1.25}
.room-cap{color:var(--wood-700);font-weight:700;margin:12px 0 16px;font-size:1rem}
.room-desc{color:#43463c;margin-bottom:22px}
.room-desc strong{color:var(--green-700)}
.feature-chips{display:flex;flex-wrap:wrap;gap:10px}
.feature-chips li{
  background:#fff;border:1px solid var(--sand-200);color:var(--ink);
  font-size:.9rem;font-weight:500;padding:.5em 1em;border-radius:12px;box-shadow:var(--shadow-sm);
}
.rooms-note{text-align:center;color:var(--muted);font-size:.95rem;margin-top:20px}
.rooms-note strong{color:var(--green-700)}

/* ===================================================================
   FAMILY
   =================================================================== */
.family{background:linear-gradient(160deg,var(--green-700),var(--green-900));color:#fff}
.family .section-title{color:#fff}
.family .section-lead{color:rgba(255,255,255,.82)}
.family-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:46px}
.family-feature{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);
}
.family-feature img{width:100%;aspect-ratio:16/10;object-fit:cover}
.ff-text{padding:24px 26px 28px}
.ff-text h3{font-size:1.3rem;font-weight:900;margin-bottom:8px}
.ff-text p{color:rgba(255,255,255,.85);font-size:.98rem}
.family-icons{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.family-icons li{
  background:rgba(255,255,255,.1);border-radius:16px;padding:22px 10px;text-align:center;
  font-weight:700;font-size:.98rem;
}
.family-icons span{display:block;font-size:2rem;margin-bottom:8px}

/* ===================================================================
   FACILITIES
   =================================================================== */
.facilities{background:var(--cream)}
.fac-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px;max-width:940px;margin:0 auto}
.fac-card{
  background:#fff;border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);
  border:1px solid var(--sand-200);transition:transform .3s,box-shadow .3s;
}
.fac-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.fac-ico{font-size:2.2rem;display:block;margin-bottom:12px}
.fac-card h4{font-size:1.15rem;font-weight:900;color:var(--green-900);margin-bottom:6px}
.fac-card p{color:var(--muted);font-size:.92rem}

/* ===================================================================
   GALLERY
   =================================================================== */
.gallery{background:var(--green-50)}
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px;
}
.g-item{padding:0;border:0;cursor:zoom-in;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);background:none}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.08)}
.g-tall{grid-row:span 2}
.g-wide{grid-column:span 2}

/* ===================================================================
   LOCATION
   =================================================================== */
.location{background:var(--cream)}
.loc-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:stretch}
.loc-map{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);min-height:420px}
.loc-map iframe{width:100%;height:100%;min-height:420px;border:0;display:block}
.map-facade{
  width:100%;height:100%;min-height:420px;border:0;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  background:linear-gradient(160deg,var(--green-600),var(--green-900));color:#fff;
  font-family:var(--font-sans);transition:filter .25s;
}
.map-facade:hover{filter:brightness(1.06)}
.mf-pin{font-size:2.8rem}
.mf-title{font-size:1.35rem;font-weight:900}
.mf-addr{font-size:.98rem;opacity:.9}
.mf-btn{margin-top:14px;background:rgba(255,255,255,.16);border:1.5px solid rgba(255,255,255,.5);padding:.6em 1.5em;border-radius:999px;font-weight:700;transition:background .2s,color .2s}
.map-facade:hover .mf-btn{background:#fff;color:var(--green-700)}
.loc-info{display:flex;flex-direction:column}
.loc-addr{background:var(--green-50);border:1px solid var(--green-300);border-radius:var(--radius);padding:22px 24px;margin-bottom:24px}
.loc-addr h3{color:var(--green-900);font-size:1.15rem;margin-bottom:6px}
.loc-addr p{font-size:1.1rem;font-weight:700;margin-bottom:14px}
.loc-near-title{color:var(--green-900);font-size:1.15rem;margin-bottom:14px}
.loc-near li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 4px;border-bottom:1px dashed var(--sand-200)}
.loc-near li span{font-weight:500}
.loc-near li em{font-style:normal;font-weight:700;color:var(--wood-700);white-space:nowrap;font-family:var(--font-round)}
.loc-disclaimer{margin-top:14px;font-size:.82rem;color:var(--muted)}

/* ===================================================================
   CONTACT
   =================================================================== */
.contact{background:linear-gradient(160deg,var(--green-50),var(--cream))}
.contact-card{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-lg);background:#fff;
}
.contact-left{padding:54px 48px}
.contact-left .section-title{text-align:left;color:var(--green-900);margin-bottom:14px}
.contact-lead{color:var(--muted);margin-bottom:30px}
.contact-list li{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}
.ci{font-size:1.6rem;flex-shrink:0;line-height:1.2}
.contact-list strong{display:block;color:var(--green-900);font-size:.92rem;margin-bottom:2px}
.contact-list a,.contact-list>li>div>span{font-size:1.25rem;font-weight:900;color:var(--ink)}
.contact-list a:hover{color:var(--green-600)}
.contact-list small{display:block;color:var(--muted);font-size:.82rem;font-weight:400;margin-top:2px}
.contact-right{background:linear-gradient(160deg,var(--green-600),var(--green-800,#235236));color:#fff;padding:54px 40px;display:flex;flex-direction:column;justify-content:center}
.contact-right h3{font-size:1.3rem;font-weight:900;margin-bottom:22px;text-align:center}
.book-btns{display:flex;flex-direction:column;gap:14px}
.book-btn{
  display:block;text-align:center;background:rgba(255,255,255,.14);border:1.5px solid rgba(255,255,255,.45);
  color:#fff;font-weight:700;padding:.9em 1em;border-radius:999px;transition:.25s;
}
.book-btn:hover{background:#fff;color:var(--green-700);transform:translateY(-3px)}
.book-btn.official{background:#fff;color:var(--green-700);border-color:#fff}
.book-btn.official:hover{background:var(--green-300);border-color:var(--green-300);color:var(--green-900)}
.book-btn.line:hover{color:#06c755}
.book-btn.fb:hover{color:#1877f2}
.contact-hint{margin-top:22px;text-align:center;font-size:.9rem;color:rgba(255,255,255,.9)}
.contact-hint strong{font-family:var(--font-round)}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer{background:var(--green-900);color:rgba(255,255,255,.82);padding:48px 0 30px}
.footer-inner{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:30px;align-items:start}
.foot-brand{display:flex;gap:14px;align-items:center}
.foot-brand img{width:48px;height:48px}
.foot-brand strong{display:block;color:#fff;font-size:1.1rem}
.foot-brand span{font-size:.86rem}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 18px;align-content:start}
.foot-nav a{font-size:.92rem;transition:color .2s}
.foot-nav a:hover{color:var(--green-300)}
.foot-meta{text-align:right;font-size:.9rem;line-height:1.9}
.foot-legal{font-size:.78rem;color:rgba(255,255,255,.5);margin-top:10px}

/* ===================================================================
   LIGHTBOX
   =================================================================== */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(15,30,18,.94);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .3s;
}
.lightbox.open{opacity:1;visibility:visible}
.lb-img{max-width:92vw;max-height:86vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lb-close,.lb-prev,.lb-next{
  position:absolute;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
  color:#fff;cursor:pointer;border-radius:999px;transition:background .2s,transform .2s;
}
.lb-close{top:22px;right:26px;width:48px;height:48px;font-size:2rem;line-height:1}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:54px;height:54px;font-size:2rem}
.lb-prev{left:24px}.lb-next{right:24px}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.28)}
.lb-prev:hover{transform:translateY(-50%) scale(1.08)}
.lb-next:hover{transform:translateY(-50%) scale(1.08)}
.lb-counter{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:#fff;font-family:var(--font-round);font-weight:600;letter-spacing:.1em;background:rgba(0,0,0,.35);padding:.3em 1em;border-radius:999px}

/* ===================================================================
   BACK TO TOP
   =================================================================== */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;width:50px;height:50px;border-radius:50%;
  background:var(--green-600);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:.3s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--green-700);transform:translateY(-4px)}

/* ===================================================================
   REVEAL ANIMATION
   =================================================================== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-bg{animation:none;transform:none}
  html{scroll-behavior:auto}
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media(max-width:980px){
  .about-grid,.loc-layout,.contact-card{grid-template-columns:1fr}
  .room,.room-reverse{grid-template-columns:1fr;gap:28px}
  .room-reverse .room-gallery{order:0}
  .about-media{max-width:520px;margin:0 auto}
  .family-grid{grid-template-columns:1fr}
  .contact-left{padding:42px 32px}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .foot-meta{text-align:left}
  .footer-inner{grid-template-columns:1fr 1fr}
}

@media(max-width:760px){
  .section{padding:70px 0}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:-100%;width:min(80vw,320px);height:100vh;
    background:var(--green-900);flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:90px 28px 40px;gap:6px;transition:right .35s ease;box-shadow:-10px 0 40px rgba(0,0,0,.3);
  }
  .main-nav.open{right:0}
  .main-nav a{color:#fff;font-size:1.1rem;padding:.8em 1em;border-radius:12px}
  .main-nav a:hover{background:rgba(255,255,255,.1)}
  .site-header.scrolled .main-nav a{color:#fff}
  .nav-cta{background:var(--berry);text-align:center;margin-top:10px}
  .hero-content{padding-top:60px}
  .hero-badges{bottom:70px;gap:10px}
  .hero-badges span{font-size:.82rem;padding:.45em 1em}
  .about-points{grid-template-columns:1fr}
  .family-icons{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .foot-brand{justify-content:center}
  .foot-nav{justify-content:center}
  .foot-meta{text-align:center}
  .lb-prev{left:10px}.lb-next{right:10px}
  .lb-prev,.lb-next{width:44px;height:44px;font-size:1.6rem}
}

@media(max-width:430px){
  .container{padding:0 18px}
  .hero-actions .btn{flex:1}
  .fac-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr 1fr;grid-auto-rows:130px}
  .g-wide{grid-column:span 2}
  .g-tall{grid-row:span 1}
}