/* =========================================================
   山城私導 — 編輯雜誌風 · 深森林綠 + 暖橙
   ========================================================= */

:root{
  --bg:        #0f1a14;
  --bg-2:      #142420;
  --paper:     #f4ede1;
  --paper-2:   #ece2d0;
  --ink:       #f4ede1;
  --ink-soft:  #c9bfa8;
  --ink-mute:  #8a8170;
  --forest:    #1f3a2e;
  --forest-2:  #2c4a3c;
  --moss:      #5b7a5a;
  --amber:     #e08832;
  --amber-2:   #c96a1d;
  --rust:      #a64328;
  --line:      rgba(244,237,225,.14);
  --line-strong: rgba(244,237,225,.28);
  --ff-display: 'Fraunces', 'Songti TC', serif;
  --ff-body:    'IBM Plex Sans', 'PingFang TC', sans-serif;
  --ff-mono:    'IBM Plex Mono', monospace;
  --shadow: 0 30px 60px -20px rgba(0,0,0,.5);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ff-body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
em{font-style:italic;color:var(--amber)}

.eyebrow{
  font-family:var(--ff-mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--amber);
  display:inline-block;
}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(15,26,20,.7);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s;
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:1.1rem 2rem;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--ink)}
.brand-mark{color:var(--amber);display:flex}
.brand-name{font-family:var(--ff-display);font-weight:600;font-size:1.15rem;letter-spacing:.04em}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{font-size:.92rem;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--amber)}
.nav-cta{
  border:1px solid var(--amber);color:var(--amber)!important;
  padding:.45rem 1.1rem;border-radius:2rem;font-weight:500;
  transition:background .2s,color .2s;
}
.nav-cta:hover{background:var(--amber);color:var(--bg)!important}
.nav-toggle{display:none;background:none;border:none;color:var(--ink);font-size:1.5rem;cursor:pointer}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;
  padding:7rem 2rem 5rem;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  filter:saturate(.85) contrast(1.05) brightness(.6);
  transform:scale(1.08);
  animation:heroZoom 18s ease-out forwards;
}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(15,26,20,.55) 0%,rgba(15,26,20,.35) 35%,rgba(15,26,20,.85) 100%),
    radial-gradient(circle at 75% 30%,rgba(224,136,50,.18),transparent 55%);
}
.hero-content{position:relative;max-width:1280px;margin:0 auto;width:100%;z-index:2}
.hero-title{
  font-family:var(--ff-display);
  font-weight:400;
  font-size:clamp(2.4rem,6.2vw,5.4rem);
  line-height:1.04;
  letter-spacing:-.01em;
  margin:1.2rem 0 1.6rem;
  max-width:18ch;
}
.hero-title .line{display:block;opacity:0;transform:translateY(24px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.hero-title .line:nth-child(2){animation-delay:.18s}
.hero-title .italic{font-style:italic;color:var(--amber);font-weight:400}
@keyframes rise{to{opacity:1;transform:none}}
.hero-sub{
  max-width:46ch;color:var(--ink-soft);
  font-size:1.08rem;line-height:1.7;
  opacity:0;animation:rise .9s .35s cubic-bezier(.2,.7,.2,1) forwards;
}
.hero-cta{
  display:flex;gap:1rem;flex-wrap:wrap;margin-top:2.2rem;
  opacity:0;animation:rise .9s .5s cubic-bezier(.2,.7,.2,1) forwards;
}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:2rem;
  font-weight:500;font-size:.95rem;cursor:pointer;
  border:1px solid transparent;transition:all .25s;
}
.btn-primary{background:var(--amber);color:var(--bg)}
.btn-primary:hover{background:var(--amber-2);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{background:rgba(244,237,225,.06);border-color:var(--ink-soft)}
.btn-outline{border-color:var(--line-strong);color:var(--ink)}
.btn-outline:hover{border-color:var(--amber);color:var(--amber)}
.btn-full{width:100%;justify-content:center}

.hero-stats{
  display:flex;align-items:center;gap:1.8rem;margin-top:3.2rem;
  opacity:0;animation:rise .9s .65s cubic-bezier(.2,.7,.2,1) forwards;
}
.hero-stats > div:not(.sep){display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--ff-display);font-size:1.9rem;font-weight:600;color:var(--amber)}
.hero-stats span{font-size:.78rem;color:var(--ink-mute);letter-spacing:.08em;text-transform:uppercase}
.hero-stats .sep{width:1px;height:38px;background:var(--line)}

.hero-scroll{
  position:absolute;bottom:1.8rem;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.3rem;z-index:3;
}
.hero-scroll span{width:1px;height:14px;background:var(--ink-mute);animation:scrollPulse 1.8s ease-in-out infinite}
.hero-scroll span:nth-child(2){animation-delay:.25s}
.hero-scroll span:nth-child(3){animation-delay:.5s}
@keyframes scrollPulse{0%,100%{opacity:.2;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ============ SECTION HEAD ============ */
.section-head{
  max-width:760px;margin:0 auto 3.5rem;text-align:center;padding:0 1rem;
}
.section-head h2{
  font-family:var(--ff-display);font-weight:400;
  font-size:clamp(1.9rem,4vw,3rem);line-height:1.1;
  margin:.8rem 0 .9rem;
}
.section-head p{color:var(--ink-soft);font-size:1rem;max-width:54ch;margin:0 auto}

/* ============ ABOUT ============ */
.about{padding:7rem 2rem;background:var(--bg-2);position:relative}
.about-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:0.85fr 1fr;gap:4.5rem;align-items:center;
}
.about-img-wrap{position:relative}
.about-img-wrap img{
  width:100%;height:520px;object-fit:cover;
  border-radius:6px;filter:saturate(.9);
}
.about-img-wrap::after{
  content:"";position:absolute;inset:0;border-radius:6px;
  background:linear-gradient(180deg,transparent 60%,rgba(15,26,20,.7));
}
.about-tag{
  position:absolute;bottom:1.2rem;left:1.2rem;z-index:2;
  font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--amber);
  border-left:2px solid var(--amber);padding-left:.7rem;
}
.about-text h2{
  font-family:var(--ff-display);font-weight:400;
  font-size:clamp(1.8rem,3.4vw,2.8rem);line-height:1.15;
  margin:.8rem 0 1.4rem;
}
.about-text > p{color:var(--ink-soft);max-width:48ch;margin-bottom:2rem;font-size:1.02rem}
.about-promise{list-style:none;display:flex;flex-direction:column;gap:1.3rem}
.about-promise li{display:flex;gap:1rem;align-items:flex-start}
.about-promise i{
  font-size:1.6rem;color:var(--amber);
  flex-shrink:0;margin-top:.1rem;
}
.about-promise strong{display:block;font-family:var(--ff-display);font-weight:600;font-size:1.05rem;color:var(--ink)}
.about-promise span{color:var(--ink-mute);font-size:.92rem}

/* ============ ROUTES ============ */
.routes{padding:7rem 2rem;background:var(--bg)}
.route-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:repeat(2,1fr);gap:1.8rem;
}
.route-card{
  background:var(--bg-2);border-radius:8px;overflow:hidden;
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform .35s,border-color .35s,box-shadow .35s;
}
.route-card:hover{transform:translateY(-6px);border-color:var(--moss);box-shadow:var(--shadow)}
.route-img{
  height:240px;background-size:cover;background-position:center;
  position:relative;
}
.route-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,26,20,.1),rgba(15,26,20,.55))}
.route-num{
  position:absolute;top:1.2rem;left:1.2rem;z-index:2;
  font-family:var(--ff-display);font-style:italic;font-weight:600;
  font-size:1.6rem;color:var(--amber);
  border-bottom:1px solid var(--amber);padding-bottom:.15rem;
}
.route-body{padding:1.7rem;display:flex;flex-direction:column;flex:1}
.route-tag{
  font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--moss);
}
.route-body h3{
  font-family:var(--ff-display);font-weight:600;
  font-size:1.55rem;margin:.5rem 0 .8rem;
}
.route-body > p{color:var(--ink-soft);font-size:.94rem;margin-bottom:1.1rem}
.route-points{list-style:none;display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.2rem}
.route-points li{display:flex;align-items:center;gap:.55rem;font-size:.88rem;color:var(--ink-soft)}
.route-points i{color:var(--amber);font-size:1.05rem}
.route-foot{
  margin-top:auto;padding-top:1rem;border-top:1px dashed var(--line);
  display:flex;justify-content:space-between;font-size:.82rem;color:var(--ink-mute);
}
.route-foot i{margin-right:.3rem}
.routes-note{
  max-width:1280px;margin:2.5rem auto 0;text-align:center;
  color:var(--ink-mute);font-size:.9rem;
}
.routes-note i{color:var(--amber);margin-right:.4rem}

/* ============ PRICING ============ */
.pricing{padding:7rem 2rem;background:var(--bg-2);position:relative}
.pricing::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(224,136,50,.06),transparent 50%);
  pointer-events:none;
}
.price-grid{
  max-width:1280px;margin:0 auto;position:relative;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;align-items:stretch;
}
.price-card{
  background:var(--bg);border:1px solid var(--line);border-radius:10px;
  padding:2.2rem;display:flex;flex-direction:column;
  transition:transform .3s,border-color .3s;
}
.price-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.price-card.featured{
  border-color:var(--amber);
  background:linear-gradient(180deg,rgba(224,136,50,.06),var(--bg) 40%);
  position:relative;
}
.ribbon{
  position:absolute;top:-1px;right:1.6rem;
  background:var(--amber);color:var(--bg);
  font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;font-weight:600;
  padding:.35rem .9rem;border-radius:0 0 4px 4px;
}
.price-tag{
  font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--moss);
}
.price-tag.alt{color:var(--amber)}
.price-head h3{font-family:var(--ff-display);font-weight:600;font-size:1.7rem;margin:.4rem 0 .6rem}
.price-head p{color:var(--ink-mute);font-size:.9rem;margin-bottom:1.6rem;min-height:3em}
.price-amount{display:flex;align-items:baseline;gap:.3rem;margin-bottom:1.6rem}
.price-amount .cur{font-family:var(--ff-mono);color:var(--amber);font-size:1rem}
.price-amount .num{font-family:var(--ff-display);font-weight:600;font-size:2.8rem;color:var(--ink)}
.price-amount .unit{font-size:.85rem;color:var(--ink-mute);margin-left:.2rem}
.price-list{list-style:none;display:flex;flex-direction:column;gap:.7rem;margin-bottom:1.8rem;flex:1}
.price-list li{display:flex;align-items:center;gap:.6rem;font-size:.92rem;color:var(--ink-soft)}
.price-list i{color:var(--amber);font-size:1.1rem;flex-shrink:0}
.price-extras{list-style:none;display:flex;flex-direction:column;gap:.85rem;margin-bottom:1.8rem;flex:1}
.price-extras li{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;font-size:.9rem;color:var(--ink-soft);padding-bottom:.85rem;border-bottom:1px dashed var(--line)}
.price-extras li:last-child{border-bottom:none}
.price-extras strong{font-family:var(--ff-mono);color:var(--amber);font-weight:500;white-space:nowrap}
.price-note{
  max-width:1280px;margin:2.5rem auto 0;text-align:center;
  color:var(--ink-mute);font-size:.88rem;
}
.price-note i{color:var(--amber);margin-right:.4rem}

/* ============ VOICES ============ */
.voices{padding:7rem 2rem;background:var(--bg)}
.voices-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;
}
.voice{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:8px;padding:2.2rem;position:relative;
  display:flex;flex-direction:column;gap:1.5rem;
}
.quote-mark{
  font-family:var(--ff-display);font-style:italic;font-weight:800;
  font-size:3.5rem;line-height:.6;color:var(--amber);
  opacity:.55;
}
.voice blockquote{
  font-family:var(--ff-display);font-weight:400;
  font-size:1.15rem;line-height:1.5;color:var(--ink);
  font-style:italic;
}
.voice figcaption{display:flex;flex-direction:column;gap:.2rem;padding-top:1rem;border-top:1px dashed var(--line)}
.voice-name{font-weight:600;color:var(--amber);font-size:.95rem}
.voice-meta{font-family:var(--ff-mono);font-size:.78rem;color:var(--ink-mute);letter-spacing:.04em}

/* ============ BOOK ============ */
.book{padding:7rem 2rem;background:var(--bg-2)}
.book-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;gap:4rem;
}
.book-left h2{
  font-family:var(--ff-display);font-weight:400;
  font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.15;margin:.8rem 0 1.2rem;
}
.book-left > p{color:var(--ink-soft);max-width:42ch;margin-bottom:2.2rem}
.contact-methods{display:flex;flex-direction:column;gap:.8rem;margin-bottom:3rem}
.contact-item{
  display:flex;align-items:center;gap:1rem;
  padding:1rem 1.2rem;background:var(--bg);
  border:1px solid var(--line);border-radius:8px;
  transition:border-color .25s,transform .25s;
}
.contact-item:hover{border-color:var(--amber);transform:translateX(4px)}
.ci-icon{
  width:42px;height:42px;flex-shrink:0;
  background:rgba(224,136,50,.12);color:var(--amber);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;
}
.ci-text{display:flex;flex-direction:column}
.ci-text strong{font-weight:500;font-size:.95rem}
.ci-text small{color:var(--ink-mute);font-family:var(--ff-mono);font-size:.82rem}

.book-faq h3{
  font-family:var(--ff-display);font-weight:600;
  font-size:1.3rem;margin-bottom:1.2rem;
}
.book-faq details{
  border-bottom:1px solid var(--line);padding:.9rem 0;cursor:pointer;
}
.book-faq summary{
  list-style:none;display:flex;justify-content:space-between;align-items:center;
  font-size:.98rem;color:var(--ink-soft);transition:color .2s;
}
.book-faq summary::-webkit-details-marker{display:none}
.book-faq summary:hover{color:var(--amber)}
.book-faq summary i{transition:transform .25s;color:var(--amber)}
.book-faq details[open] summary i{transform:rotate(180deg)}
.book-faq details p{margin-top:.7rem;color:var(--ink-mute);font-size:.9rem;line-height:1.6}

/* form */
.book-form{
  background:var(--bg);border:1px solid var(--line);
  border-radius:12px;padding:2.2rem;
  position:sticky;top:6rem;
}
.book-form h3{font-family:var(--ff-display);font-weight:600;font-size:1.5rem;margin-bottom:1.5rem}
.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field label{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute)}
.field input,.field select,.field textarea{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:6px;padding:.75rem .9rem;color:var(--ink);
  font-family:var(--ff-body);font-size:.95rem;font-weight:300;
  transition:border-color .2s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-mute)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber)}
.field textarea{resize:vertical}
.form-foot{text-align:center;color:var(--ink-mute);font-size:.82rem;margin-top:.9rem}
.form-success{
  margin-top:1.2rem;padding:1.2rem;background:rgba(91,122,90,.12);
  border:1px solid var(--moss);border-radius:8px;
  display:flex;align-items:center;gap:.9rem;
}
.form-success i{font-size:2rem;color:var(--moss)}
.form-success strong{display:block;color:var(--ink)}
.form-success span{color:var(--ink-soft);font-size:.88rem}

/* ============ FOOTER ============ */
.footer{background:var(--bg);border-top:1px solid var(--line);padding:2.5rem 2rem}
.footer-inner{max-width:1280px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.5rem}
.footer-brand{display:flex;align-items:center;gap:.7rem;color:var(--amber)}
.footer-brand div{display:flex;flex-direction:column;color:var(--ink)}
.footer-brand strong{font-family:var(--ff-display);font-size:1.05rem}
.footer-brand span{font-size:.78rem;color:var(--ink-mute)}
.footer-links{display:flex;gap:1.5rem}
.footer-links a{font-size:.88rem;color:var(--ink-soft);transition:color .2s}
.footer-links a:hover{color:var(--amber)}
.footer-meta{display:flex;gap:1.2rem;font-family:var(--ff-mono);font-size:.76rem;color:var(--ink-mute)}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-links.open{
    display:flex;flex-direction:column;
    position:absolute;top:100%;left:0;right:0;
    background:var(--bg-2);padding:1.5rem 2rem;gap:1.2rem;
    border-bottom:1px solid var(--line);
  }
  .about-grid{grid-template-columns:1fr;gap:2.5rem}
  .about-img-wrap img{height:380px}
  .route-grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .voices-grid{grid-template-columns:1fr}
  .book-grid{grid-template-columns:1fr;gap:2.5rem}
  .book-form{position:static}
  .hero-stats{gap:1.2rem}
  .hero-stats strong{font-size:1.5rem}
  .footer-inner{flex-direction:column;text-align:center}
}
@media(max-width:560px){
  .hero{padding:6rem 1.3rem 4rem}
  .about,.routes,.pricing,.voices,.book{padding:5rem 1.3rem}
  .field-row{grid-template-columns:1fr}
  .nav-inner{padding:1rem 1.3rem}
  .brand-name{font-size:1rem}
  .hero-stats{flex-wrap:wrap;gap:1rem}
  .hero-stats .sep{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}