/* ==========================================================================
   FIONA · 個人品牌網站 — 全站共用樣式
   精品目錄感 · 大留白 · 手機優先 RWD · 繁體中文
   ========================================================================== */

:root{
  /* 色彩系統 */
  --ivory:      #f7f4ef;   /* 主背景 象牙白 */
  --ivory-soft: #efe9e1;
  --charcoal:   #1c1a17;   /* 主文字 近黑 */
  --ink:        #2b2823;
  --muted:      #8a8175;   /* 次要文字 */
  --line:       #ded6c9;   /* 分隔線 */
  --champagne:  #b79268;   /* 主色 香檳金 */
  --champagne-d:#9c7a52;
  --white:      #fffdfa;

  /* 字體 */
  --serif: "Noto Serif TC", "Songti TC", serif;
  --sans:  "Noto Sans TC", "PingFang TC", "Helvetica Neue", sans-serif;

  /* 版面 */
  --maxw: 1180px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --section-y: clamp(4rem, 10vw, 8rem);
  --radius: 2px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--charcoal);
  background:var(--ivory);
  line-height:1.85;
  font-size:clamp(15px,1.05vw,17px);
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:500;
  line-height:1.3;
  letter-spacing:.04em;
  margin:0 0 .6em;
  color:var(--ink);
}
h1{font-size:clamp(2.1rem,5.5vw,3.9rem);}
h2{font-size:clamp(1.6rem,3.6vw,2.6rem);}
h3{font-size:clamp(1.15rem,2vw,1.5rem);}
p{margin:0 0 1.2em;}

/* ---------- 共用容器 / 版面工具 ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:var(--section-y);}
.section--tight{padding-block:clamp(2.5rem,6vw,4.5rem);}
.narrow{max-width:760px;margin-inline:auto;}
.center{text-align:center;}

.eyebrow{
  font-family:var(--sans);
  font-size:.72rem;
  letter-spacing:.36em;
  text-transform:uppercase;
  color:var(--champagne-d);
  font-weight:600;
  margin:0 0 1.2rem;
}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink);}
.muted{color:var(--muted);}
.divider{width:44px;height:1px;background:var(--champagne);border:0;margin:1.6rem 0;}
.divider.center{margin-inline:auto;}

/* ---------- 按鈕 ---------- */
.btn{
  display:inline-block;
  font-family:var(--sans);
  font-size:.86rem;
  letter-spacing:.16em;
  padding:.85em 1.9em;
  border:1px solid var(--charcoal);
  border-radius:var(--radius);
  background:var(--charcoal);
  color:var(--ivory);
  cursor:pointer;
  transition:.28s ease;
  text-align:center;
}
.btn:hover{background:var(--champagne-d);border-color:var(--champagne-d);color:var(--white);}
.btn--ghost{background:transparent;color:var(--charcoal);}
.btn--ghost:hover{background:var(--charcoal);color:var(--ivory);}
.btn--light{background:var(--ivory);color:var(--charcoal);border-color:var(--ivory);}
.btn--light:hover{background:var(--champagne);border-color:var(--champagne);color:var(--white);}
.btn-row{display:flex;flex-wrap:wrap;gap:1rem;}
.btn-row.center{justify-content:center;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,239,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin-inline:auto;
  padding:1.1rem var(--gutter);
}
.brand{
  font-family:var(--serif);
  font-size:1.4rem;letter-spacing:.34em;
  font-weight:500;color:var(--ink);
  padding-left:.34em;
}
.brand small{display:block;font-family:var(--sans);font-size:.56rem;letter-spacing:.4em;color:var(--muted);margin-top:.2rem;padding-left:.06em;}
.nav-links{
  display:flex;align-items:center;gap:clamp(1rem,2.2vw,2.1rem);
  list-style:none;margin:0;padding:0;
}
.nav-links a{
  font-size:.83rem;letter-spacing:.1em;color:var(--ink);
  padding:.3em 0;position:relative;transition:color .25s;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--champagne-d);}
.nav-links a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--champagne);
}
.nav-cta{margin-left:.4rem;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.4rem;}
.nav-toggle span{display:block;width:24px;height:1.5px;background:var(--charcoal);margin:5px 0;transition:.3s;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:clamp(460px,78vh,760px);
  display:flex;align-items:center;
  color:var(--white);
  overflow:hidden;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,18,15,.62),rgba(20,18,15,.25));z-index:1;}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.hero__inner{position:relative;z-index:2;max-width:720px;}
.hero h1{color:var(--white);}
.hero .eyebrow{color:#e8d9c3;}
.hero p{color:rgba(255,253,250,.9);font-size:clamp(1.05rem,1.7vw,1.3rem);}
.hero--page{min-height:clamp(340px,52vh,480px);}
.hero--center{justify-content:center;text-align:center;}
.hero--center .hero__inner{margin-inline:auto;}
.hero--center::after{background:linear-gradient(180deg,rgba(20,18,15,.5),rgba(20,18,15,.5));}

/* ---------- 卡片 / 網格 ---------- */
.grid{display:grid;gap:clamp(1.4rem,3vw,2.4rem);}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}

.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(1.6rem,3vw,2.4rem);
  transition:.3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(28,26,23,.4);}
.card ul{list-style:none;margin:.6rem 0 1.2rem;padding:0;}
.card ul li{padding:.5rem 0;border-bottom:1px solid var(--line);font-size:.92rem;color:var(--ink);}
.card ul li:last-child{border-bottom:0;}
.card ul li::before{content:"—";color:var(--champagne);margin-right:.7em;}

/* 法則卡 */
.law-card{position:relative;display:flex;flex-direction:column;}
.law-card .law-no{font-family:var(--serif);font-size:.9rem;color:var(--champagne-d);letter-spacing:.2em;margin-bottom:1rem;}
.law-card h3{margin-bottom:.5rem;}
.law-card .promise{color:var(--ink);font-weight:500;margin-bottom:.9rem;}
.law-card .anchor{font-size:.85rem;color:var(--muted);margin-bottom:1.4rem;}
.law-card .lock{
  margin-top:auto;padding-top:1.1rem;border-top:1px solid var(--line);
  font-size:.8rem;letter-spacing:.08em;color:var(--champagne-d);
  display:flex;align-items:center;gap:.5rem;
}
.lock-badge{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line);border-radius:100px;
  padding:.3em .9em;
}

/* before/after 作品 */
.work{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden;}
.ba{display:grid;grid-template-columns:1fr 1fr;}
.ba figure{margin:0;position:relative;}
.ba .ph{
  aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(135deg,var(--ivory-soft),var(--ivory-soft) 12px,#e7dfd3 12px,#e7dfd3 24px);
  color:var(--muted);font-size:.8rem;letter-spacing:.14em;text-align:center;padding:1rem;
}
.ba .tag{position:absolute;top:.7rem;left:.7rem;background:rgba(28,26,23,.82);color:var(--ivory);font-size:.66rem;letter-spacing:.18em;padding:.3em .8em;border-radius:100px;}
.work__note{padding:clamp(1.2rem,2.5vw,1.8rem);}
.work__note h3{font-size:1.15rem;margin-bottom:.4rem;}
.work__note p{margin:0;color:var(--muted);font-size:.92rem;}

/* ---------- 服務方案階梯 ---------- */
.tier{
  display:flex;flex-direction:column;
  border:1px solid var(--line);background:var(--white);border-radius:var(--radius);
  padding:clamp(1.8rem,3vw,2.6rem);
}
.tier--feature{border-color:var(--champagne);box-shadow:0 24px 60px -34px rgba(156,122,82,.55);position:relative;}
.tier--feature .tier__label{color:var(--champagne-d);}
.tier__label{font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem;}
.tier h3{font-size:1.5rem;}
.tier .price{font-family:var(--serif);font-size:1.25rem;color:var(--ink);margin:.4rem 0 1.4rem;}
.tier .price small{display:block;font-family:var(--sans);font-size:.76rem;color:var(--muted);letter-spacing:.06em;margin-top:.3rem;}
.tier ul{list-style:none;margin:0 0 2rem;padding:0;}
.tier li{padding:.55rem 0;border-bottom:1px solid var(--line);font-size:.92rem;color:var(--ink);}
.tier li::before{content:"—";color:var(--champagne);margin-right:.7em;}
.tier .btn{margin-top:auto;}

/* ---------- 合作深度：分層方案 ---------- */
.layers{display:flex;flex-direction:column;gap:clamp(1.6rem,4vw,2.6rem);}
.layer{
  display:grid;grid-template-columns:minmax(220px,.9fr) 1.6fr;
  gap:clamp(1.6rem,4vw,3.4rem);
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.8rem,4vw,3.2rem);
}
.layer--feature{border-color:var(--champagne);box-shadow:0 24px 60px -34px rgba(156,122,82,.5);}
.layer__aside{display:flex;flex-direction:column;}
.layer__no{font-family:var(--serif);font-size:.8rem;letter-spacing:.28em;color:var(--champagne-d);text-transform:uppercase;margin-bottom:.9rem;}
.layer__aside h3{font-size:clamp(1.5rem,2.6vw,1.9rem);line-height:1.25;}
.layer__tagline{font-family:var(--serif);color:var(--champagne-d);font-size:1.02rem;margin-top:.7rem;}
.layer__body>p{color:var(--ink);margin-bottom:1.4rem;}
.layer__gets{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:.9rem;}
.layer ul{list-style:none;margin:0 0 1.6rem;padding:0;}
.layer ul li{padding:.6rem 0;border-bottom:1px solid var(--line);font-size:.94rem;color:var(--ink);}
.layer ul li::before{content:"—";color:var(--champagne);margin-right:.7em;}
.layer ul li strong{color:var(--ink);font-weight:600;}
.layer__fit{font-size:.88rem;color:var(--muted);margin-bottom:1.6rem;letter-spacing:.02em;}
.layer__fit b{color:var(--champagne-d);font-weight:500;letter-spacing:.14em;margin-right:.5em;}
@media(max-width:760px){.layer{grid-template-columns:1fr;}}

/* ---------- 帶背景圖的區塊 ---------- */
.feature-split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(2rem,5vw,4.5rem);}
.feature-split img{border-radius:var(--radius);width:100%;object-fit:cover;aspect-ratio:4/5;}
.feature-split .body{max-width:520px;}

/* ---------- 表單 ---------- */
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.8rem,4vw,3rem);}
.field{margin-bottom:1.4rem;}
.field label{display:block;font-size:.82rem;letter-spacing:.08em;color:var(--ink);margin-bottom:.5rem;}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--sans);font-size:.95rem;color:var(--charcoal);
  background:var(--ivory);border:1px solid var(--line);border-radius:var(--radius);
  padding:.8em 1em;transition:border-color .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--champagne);}
.field textarea{resize:vertical;min-height:120px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;}

/* ---------- 步驟 / 數字清單 ---------- */
.steps{counter-reset:step;display:grid;gap:1.6rem;}
.step{display:flex;gap:1.2rem;align-items:flex-start;}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--serif);color:var(--champagne-d);font-size:1.1rem;
  border:1px solid var(--line);border-radius:100px;min-width:2.6rem;height:2.6rem;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.step h3{font-size:1.1rem;margin-bottom:.3rem;}
.step p{margin:0;color:var(--muted);font-size:.92rem;}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--line);padding:1.1rem 0;}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:1.05rem;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:1rem;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--champagne-d);transition:.3s;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq details p{margin:1rem 0 0;color:var(--muted);}

/* ---------- 見證 ---------- */
.quote{border-left:2px solid var(--champagne);padding-left:1.6rem;}
.quote p{font-family:var(--serif);font-size:clamp(1.1rem,1.8vw,1.4rem);color:var(--ink);line-height:1.7;}
.quote cite{font-style:normal;font-size:.82rem;letter-spacing:.1em;color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--charcoal);color:var(--ivory);text-align:center;}
.cta-band h2{color:var(--white);}
.cta-band p{color:rgba(247,244,239,.75);}

/* ---------- 佔位提示 ---------- */
.placeholder-note{
  border:1px dashed var(--champagne);border-radius:var(--radius);
  background:rgba(183,146,104,.06);color:var(--champagne-d);
  font-size:.82rem;letter-spacing:.06em;padding:1rem 1.3rem;
}

/* ---------- Footer ---------- */
.site-footer{background:var(--charcoal);color:var(--ivory);padding-block:clamp(3rem,6vw,4.5rem) 2rem;}
.site-footer .container{display:grid;gap:2.5rem;grid-template-columns:1.4fr 1fr 1fr;}
.site-footer h4{color:var(--white);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;font-family:var(--sans);margin-bottom:1.2rem;}
.site-footer a,.site-footer p{color:rgba(247,244,239,.72);font-size:.88rem;}
.site-footer a:hover{color:var(--champagne);}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:.7rem;}
.footer-brand .brand{color:var(--white);padding:0;}
.footer-brand p{max-width:300px;margin-top:1rem;}
.footer-bottom{border-top:1px solid rgba(247,244,239,.14);margin-top:2.5rem;padding-top:1.6rem;text-align:center;font-size:.76rem;color:rgba(247,244,239,.5);letter-spacing:.06em;}

/* ---------- RWD ---------- */
@media(max-width:860px){
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;
    background:var(--ivory);border-bottom:1px solid var(--line);
    padding:1rem var(--gutter) 1.6rem;
    transform:translateY(-120%);transition:transform .35s ease;box-shadow:0 18px 30px -20px rgba(0,0,0,.3);
  }
  .nav-links.open{transform:translateY(0);}
  .nav-links li{width:100%;}
  .nav-links a{display:block;padding:.85rem 0;border-bottom:1px solid var(--line);width:100%;font-size:.95rem;}
  .nav-cta{margin:1rem 0 0;}
  .nav-toggle{display:block;}
  .feature-split{grid-template-columns:1fr;}
  .feature-split img{max-width:440px;margin-inline:auto;}
  .site-footer .container{grid-template-columns:1fr;gap:2rem;}
  .form-row{grid-template-columns:1fr;}
}
@media(max-width:520px){
  .ba{grid-template-columns:1fr;}
}