/* ===== 安順代書事務所 — 全站共用樣式 ===== */
:root {
  --color-primary: #1f4d3f;      /* 深綠 — 沉穩、信任 */
  --color-primary-dark: #143228;
  --color-accent: #b08d57;       /* 金棕 — 專業、傳承 */
  --color-accent-dark: #8a6e3f;
  --color-bg: #ffffff;
  --color-bg-soft: #f6f3ec;      /* 米色 */
  --color-bg-alt: #eef2ef;
  --color-text: #2b2b2b;
  --color-text-soft: #5a5f5b;
  --color-border: #e2ddd2;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(20, 50, 40, 0.08);
  --max-width: 1140px;
  --pad-inline: clamp(1.2rem, 5vw, 3rem);
  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--color-text);
  line-height: 1.75;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--pad-inline);
}

/* ===== 標題階層 ===== */
h1, h2, h3 { line-height: 1.3; color: var(--color-primary-dark); font-weight: 700; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.35rem); }
p { color: var(--color-text-soft); }

.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-alt { background: var(--color-bg-soft); }

.section-head { text-align: center; max-width: 720px; margin-inline: auto; margin-bottom: 2.8rem; }
.section-head .eyebrow {
  display: inline-block; color: var(--color-accent-dark); font-weight: 600;
  letter-spacing: .18em; font-size: .8rem; margin-bottom: .6rem;
}
.section-head p { margin-top: .8rem; }

/* ===== 按鈕 ===== */
.btn {
  display: inline-block; padding: .7em 1.6em; border-radius: 999px;
  font-weight: 600; font-size: 1rem; cursor: pointer; border: 2px solid transparent;
  transition: transform .15s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--color-primary-dark); }
.btn-ghost { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-primary); color: #fff; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 1rem; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--color-primary-dark); }
.brand .mark {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; display: grid; place-items: center; font-size: 1.1rem; font-weight: 700;
}
.brand .brand-name { font-size: 1.15rem; }
.brand .brand-sub { display: block; font-size: .68rem; color: var(--color-text-soft); font-weight: 500; letter-spacing: .1em; }

.nav-links { display: flex; align-items: center; gap: 1.6rem; list-style: none; }
.nav-links a { font-size: .95rem; color: var(--color-text); font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--color-accent-dark); }
.nav-cta { padding: .5em 1.2em; background: var(--color-primary); color: #fff !important; border-radius: 999px; }
.nav-cta:hover { background: var(--color-primary-dark); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: .4rem; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-primary-dark); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  position: relative; color: #fff; isolation: isolate;
  background: linear-gradient(rgba(20,50,40,.72), rgba(20,50,40,.78)), url('../images2/hero-bg.png') center/cover no-repeat;
}
.hero .container { padding-block: clamp(4.5rem, 12vw, 8rem); max-width: 880px; text-align: center; }
.hero h1 { color: #fff; margin-bottom: 1.2rem; }
.hero p { color: rgba(255,255,255,.92); font-size: clamp(1rem, 2vw, 1.18rem); max-width: 640px; margin-inline: auto; }
.hero .hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2.2rem; }
.page-hero {
  color: #fff; text-align: center;
  background: linear-gradient(rgba(20,50,40,.8), rgba(20,50,40,.85)), url('../images2/hero-bg.png') center/cover no-repeat;
}
.page-hero .container { padding-block: clamp(3rem, 8vw, 5rem); }
.page-hero h1 { color: #fff; margin-bottom: .6rem; }
.page-hero p { color: rgba(255,255,255,.9); }

/* ===== Grid 卡片 ===== */
.grid { display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(20,50,40,.13); }
.card .icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--color-bg-alt); color: var(--color-primary); font-size: 1.5rem; margin-bottom: 1rem;
}
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .95rem; }

/* ===== 兩欄 ===== */
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(2rem, 5vw, 3.5rem); align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow); }
.split .eyebrow { display: inline-block; color: var(--color-accent-dark); font-weight: 600; letter-spacing: .18em; font-size: .8rem; margin-bottom: .6rem; }
.split p + p { margin-top: 1rem; }

/* ===== 流程 / 數字清單 ===== */
.steps { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.6rem; }
.step .num {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--color-primary); color: #fff; font-weight: 700; margin-bottom: .9rem;
}

/* ===== 特色列 ===== */
.features { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.feature { display: flex; gap: .9rem; align-items: flex-start; }
.feature .dot { color: var(--color-accent); font-size: 1.3rem; line-height: 1.4; flex: none; }
.feature h3 { font-size: 1.1rem; margin-bottom: .3rem; }
.feature p { font-size: .92rem; }

/* ===== CTA 區塊 ===== */
.cta-band { background: var(--color-primary); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.88); max-width: 560px; margin: .8rem auto 1.8rem; }

/* ===== 聯絡 ===== */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2.5rem; }
.info-list { list-style: none; display: grid; gap: 1.2rem; }
.info-list li { display: flex; gap: .9rem; align-items: flex-start; }
.info-list .ico { font-size: 1.3rem; color: var(--color-accent-dark); flex: none; }
.info-list strong { display: block; color: var(--color-primary-dark); }
.form { display: grid; gap: 1rem; background: #fff; padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--color-border); }
.form label { font-size: .9rem; font-weight: 600; color: var(--color-primary-dark); display: grid; gap: .4rem; }
.form input, .form textarea, .form select {
  font: inherit; padding: .7em .9em; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-bg-soft);
}
.form input:focus, .form textarea:focus, .form select:focus { outline: 2px solid var(--color-accent); background: #fff; }

/* ===== Footer ===== */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,.8); padding-block: 3rem 1.5rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.site-footer h4 { color: #fff; margin-bottom: .9rem; font-size: 1rem; }
.site-footer a { color: rgba(255,255,255,.78); font-size: .92rem; }
.site-footer a:hover { color: var(--color-accent); }
.footer-links { list-style: none; display: grid; gap: .5rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); padding-top: 1.3rem; text-align: center; font-size: .85rem; color: rgba(255,255,255,.6); }

/* ===== RWD ===== */
@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--color-border); padding: 1rem var(--pad-inline);
    gap: .4rem; box-shadow: var(--shadow); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .6rem 0; }
  .nav-cta { text-align: center; }
}