/* =========================================================
   inquiry.css — 三语询盘页专用样式（inquiry-{en,cn,ar}.html）
   · 依赖 css/vars.css 设计 token（本文件不重复定义 :root）
   · 三语共用同一份：base/header/footer/hero 逐字移植 index.html <style>
     （去 :root 与 index 独有组件）；表单/planner 卡为本页新增组件
   · RTL 镜像覆盖移植 index-ar.html
   · 禁止在 HTML 内联样式（verify C3 守门）
   ========================================================= */

/* ===== Reset / Base（移植 index.html，去 :root） ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-en);
  background: var(--cream);
  color: var(--warm-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 字体按语言 */
body:lang(zh-CN) { font-family: var(--font-cn); font-size: 17px; }
body:lang(ar) { font-family: var(--font-ar); }

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header（移植 index.html） ===== */
header {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--warm-black);
}

.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 6px;
  color: var(--warm-blue);
}

nav.desktop-nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
nav.desktop-nav a {
  color: var(--warm-black);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s;
}
nav.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--warm-blue);
  border-radius: 1px;
  transition: width 0.3s ease;
}
nav.desktop-nav a:hover { color: var(--warm-blue); }
nav.desktop-nav a:hover::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  color: var(--warm-black);
  transition: border-color 0.2s;
}
.lang-btn:hover { border-color: var(--warm-blue); }
.lang-btn .globe { font-size: 16px; }
.lang-btn .arrow { font-size: 10px; }

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  min-width: 90px;
  overflow: hidden;
  z-index: 200;
}
.lang-dropdown.active { display: block; }
.lang-dropdown button {
  display: block;
  width: 100%;
  padding: 10px 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  color: var(--warm-black);
  text-align: left;
  transition: background 0.15s;
}
.lang-dropdown button:hover { background: var(--cream); }
.lang-dropdown button.active-lang {
  background: var(--warm-blue);
  color: var(--white);
}

.cart-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  position: relative;
  color: var(--warm-black);
}
.cart-badge {
  display: none; /* 询盘页购物车恒为空 */
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--sand-orange);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
}

/* ===== Mobile Nav（移植 index.html；.mobile-lang 为原内联落类） ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  z-index: 200;
  padding: 80px 24px 24px;
}
.mobile-nav.active { display: block; }
.mobile-nav a {
  display: block;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 500;
  border-bottom: 1px solid var(--border-light);
}
.mobile-nav .close-nav {
  position: absolute;
  top: 18px;
  right: 20px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
}
.mobile-nav .mobile-lang {
  margin-top: 16px;
  font-size: 14px;
}

/* ===== Hero（移植 index.html；.hero-badge 为原内联落类） ===== */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  padding: 40px 20px;
}
.hero-content .tagline {
  font-size: 48px;
  font-weight: 800;
  color: var(--warm-black);
  line-height: 1.15;
  letter-spacing: -0.5px;
}
.hero-content .sub {
  font-size: 18px;
  color: var(--warm-text);
  margin-top: 16px;
  font-weight: 400;
  line-height: 1.5;
}
.hero-badge {
  font-size: var(--fs-sm);
  letter-spacing: 1px;
  color: var(--sand-orange);
  margin-bottom: 8px;
  font-weight: 600;
}

/* ===== Section ===== */
.section { padding: 48px 0; }
.section.alt { background: var(--warm-gray); }
.section-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

/* ===== 按钮基类（移植 index.html） ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--sand-orange);
  color: var(--white);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--light-orange);
  transform: translateY(-2px);
}

/* ===== AI Planner 卡（新增） ===== */
.planner-card {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: var(--warm-blue);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
}
.planner-title {
  color: var(--white);
  margin-bottom: 10px;
}
.planner-sub {
  font-size: var(--fs-sm);
  line-height: 1.8;
  opacity: .95;
  margin-bottom: 18px;
}
.planner-cta {
  font-size: 15px;
}

/* ===== 表单（新增） ===== */
.form-shell {
  max-width: 680px;
  margin: 0 auto;
}
.form-note {
  font-size: 13px;
  color: var(--warm-text);
  margin-bottom: 20px;
}
.inquiry-form {
  display: grid;
  gap: 16px;
}
.form-group {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.form-group-title {
  display: block;
  font-size: var(--fs-md);
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--warm-black);
  padding: 0;
  border: 0;
}
.field { margin-bottom: 14px; }
.form-group .field:last-child { margin-bottom: 0; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field-label {
  display: block;
  font-weight: 600;
  font-size: var(--fs-sm);
  margin-bottom: 6px;
}
.field-input,
.field-select,
.field-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-top: 6px;
  font-family: inherit;
  font-size: var(--fs-md);
  color: var(--warm-black);
  background: var(--white);
  transition: border-color .2s;
}
/* 焦点态：2px warm-blue outline（键盘可达） */
.field-input:focus-visible,
.field-select:focus-visible,
.field-textarea:focus-visible {
  outline: 2px solid var(--warm-blue);
  outline-offset: 2px;
  border-color: var(--warm-blue);
}
.field-input:focus,
.field-select:focus,
.field-textarea:focus {
  outline: 2px solid var(--warm-blue);
  outline-offset: 2px;
  border-color: var(--warm-blue);
}
.btn-submit {
  width: 100%;
  background: var(--sand-orange);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: var(--fs-lg);
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: background .2s, transform .1s;
  font-family: inherit;
}
.btn-submit:hover { background: var(--light-orange); }
.btn-submit:active { transform: scale(.98); }
.btn-submit:focus-visible {
  outline: 2px solid var(--warm-blue);
  outline-offset: 2px;
}
.submit-note {
  font-size: var(--fs-xs);
  color: var(--warm-text);
  text-align: center;
}

/* ===== Footer（移植 index.html；.footer-about/.footer-contact 为原内联落类） ===== */
footer {
  background: var(--cream);
  border-top: 1px solid var(--border-light);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
}
footer h3 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 4px;
  color: var(--warm-blue);
}
footer h3 .sub {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--warm-text);
  letter-spacing: 0;
  margin-top: 2px;
}
footer h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}
footer ul li { margin-bottom: 8px; }
footer ul li a {
  font-size: 13px;
  color: var(--warm-text);
  transition: color 0.2s;
}
footer ul li a:hover { color: var(--warm-blue); }
footer .contact-info {
  font-size: 13px;
  color: var(--warm-text);
  line-height: 2;
}
footer .footer-about {
  font-size: 13px;
  color: var(--warm-text);
  margin-top: 8px;
  line-height: 1.7;
}
footer .footer-contact { margin-top: 16px; }
footer .copyright {
  text-align: center;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--warm-text);
}

/* ===== 响应式（移植 index.html 断点 + 新增 field-row 单列） ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  nav.desktop-nav { display: none; }
  .hamburger { display: block; }

  .hero-content .tagline { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 22px; }

  /* 移动端表单双列塌为单列 */
  .field-row { grid-template-columns: 1fr; }
}

/* ===== RTL（移植 index-ar.html 镜像覆盖，叠加于 LTR 基线之上） ===== */
html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] .logo {
  font-size: 24px;
  letter-spacing: 2px;
}
html[dir="rtl"] .lang-dropdown { left: 0; right: auto; }
html[dir="rtl"] .lang-dropdown button { text-align: right; }
html[dir="rtl"] .cart-badge { left: -6px; right: auto; }
html[dir="rtl"] .mobile-nav .close-nav { left: 20px; right: auto; }