/* ========================================================================
   砖机出海多语言站 - 非洲风暖橙主题
   主色: #E67E22 (暖橙)  辅: #1E6B3A (深绿) #8B4513 (深棕) #FDF6E3 (米白)
   文字: #2C3E50 (深灰)  边框: #E5D5B0 (浅棕)
   ======================================================================== */

/* ===== 基础重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 主色 — 暖橙 (非洲阳光/红土地) */
  --primary: #E67E22;
  --primary-dark: #D35400;
  --primary-light: #F39C12;

  /* 辅色 — 深绿 (热带植被) */
  --secondary: #1E6B3A;
  --secondary-dark: #155027;
  --secondary-light: #2E8B57;

  /* 强调色 — 深棕 (非洲鼓/红土) */
  --accent: #8B4513;
  --accent-light: #A0522D;

  /* 背景与文字 */
  --bg: #FDF6E3;
  --bg-soft: #F5EBD0;
  --text: #2C3E50;
  --text-soft: #5D6D7E;
  --text-muted: #95A5A6;

  /* 中性色 */
  --white: #FFFFFF;
  --border: #E5D5B0;
  --border-soft: #F0E2C0;

  /* 功能色 */
  --whatsapp: #25D366;
  --whatsapp-dark: #1EBE57;
  --email: #C0392B;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(139,69,19,0.08);
  --shadow: 0 4px 12px -2px rgba(139,69,19,0.12), 0 2px 4px -1px rgba(139,69,19,0.06);
  --shadow-lg: 0 12px 24px -4px rgba(139,69,19,0.15), 0 4px 8px -2px rgba(139,69,19,0.08);
  --shadow-xl: 0 20px 30px -6px rgba(139,69,19,0.18), 0 10px 12px -4px rgba(139,69,19,0.08);

  /* 半径/容器/高度 */
  --radius: 4px;
  --radius-lg: 8px;
  --container: 1280px;
  --header-h: 72px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover { color: var(--primary); }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

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

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  height: var(--header-h);
  display: flex;
  align-items: center;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--white);
  color: var(--primary);
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 900;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: rgba(255,255,255,0.92);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 0;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--white);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--white);
}

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.15);
  padding: 4px;
  border-radius: var(--radius);
}

.lang-switch a {
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.lang-switch a.current {
  background: var(--white);
  color: var(--primary);
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--white);
  cursor: pointer;
  padding: 6px;
}

/* ===== Hero / Banner ===== */
.hero {
  position: relative;
  height: 480px;
  overflow: hidden;
  background: var(--accent);
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(230,126,34,0.88) 0%, rgba(139,69,19,0.75) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.hero-content h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  max-width: 800px;
  margin-bottom: 20px;
  line-height: 1.15;
  text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.hero-content p {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 720px;
  color: rgba(255,255,255,0.96);
  margin-bottom: 32px;
  line-height: 1.5;
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  border-color: var(--whatsapp-dark);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}

.btn-outline-secondary {
  background: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn-outline-secondary:hover {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-solid {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.btn-solid:hover {
  background: var(--secondary-dark);
  color: var(--white);
}

/* ===== Sections ===== */
section {
  padding: 80px 0;
}

section.tight { padding: 56px 0; }

.section-bg-soft { background: var(--bg-soft); }

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
  color: var(--text);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-soft);
  max-width: 720px;
  margin: 0 auto;
}

/* ===== Product Cards ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.product-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--bg-soft);
}

.product-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(230,126,34,0.12);
  padding: 4px 10px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.product-card h3 {
  margin-bottom: 10px;
  color: var(--text);
}

.product-card p {
  color: var(--text-soft);
  font-size: 0.95rem;
  margin-bottom: 16px;
  flex: 1;
}

.product-card .features {
  list-style: none;
  margin-bottom: 20px;
}

.product-card .features li {
  font-size: 0.88rem;
  color: var(--text);
  padding: 4px 0 4px 22px;
  position: relative;
}

.product-card .features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.product-card .link {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.product-card .link:hover { gap: 10px; color: var(--primary); }

/* ===== Advantages (icon grid) ===== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.advantage {
  text-align: center;
  padding: 24px 16px;
}

.advantage-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.8rem;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.advantage h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text);
}

.advantage p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.55;
}

/* ===== Stats strip ===== */
.stats-strip {
  background: var(--secondary);
  color: var(--white);
  padding: 56px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}

.stat-num {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Case / Gallery ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.case-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--bg-soft);
  box-shadow: var(--shadow);
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.case-card:hover img { transform: scale(1.05); }

.case-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(139,69,19,0.88) 0%, rgba(139,69,19,0) 60%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  color: var(--white);
}

.case-card-overlay h4 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.case-card-overlay p {
  font-size: 0.88rem;
  opacity: 0.92;
}

/* ===== Inquiry / CTA section ===== */
.inquiry {
  background: var(--bg-soft);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--accent);
  color: rgba(255,255,255,0.88);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h5 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col p,
.footer-col li {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.7;
  margin-bottom: 8px;
}

.footer-col ul { list-style: none; }
.footer-col a { color: rgba(255,255,255,0.78); }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--white); }

/* ===== Page Hero (sub-pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 80px 0 64px;
  text-align: center;
}

.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.92); font-size: 1.1rem; max-width: 720px; margin: 0 auto; }

.breadcrumb {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .sep { margin: 0 8px; opacity: 0.6; }

/* ===== Content blocks ===== */
.content-block {
  max-width: 880px;
  margin: 0 auto;
}

.content-block h2 {
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  color: var(--text);
}

.content-block h2:first-child { margin-top: 0; }

.content-block h3 {
  margin: 32px 0 12px;
  color: var(--primary);
}

.content-block p {
  margin-bottom: 16px;
  color: var(--text);
  line-height: 1.75;
}

.content-block ul, .content-block ol {
  margin: 16px 0 16px 24px;
  color: var(--text);
}

.content-block li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.content-block strong { color: var(--text); }

/* ===== Spec table ===== */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.spec-table th,
.spec-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.spec-table th {
  background: var(--primary);
  color: var(--white);
  font-weight: 600;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--bg-soft); }
.spec-table td:first-child { font-weight: 600; color: var(--text); width: 40%; }

/* ===== Capacity / production table (with brick images) ===== */
.capacity-table { table-layout: auto; width: 100%; }
.capacity-table th { white-space: nowrap; }
.capacity-table td { white-space: normal; }
.capacity-table td:first-child { width: auto; color: var(--text); }
.capacity-table td.brick-img { padding: 8px; white-space: nowrap; text-align: center; vertical-align: middle; }
.capacity-table td.brick-img img { width: 80px; height: 60px; object-fit: contain; display: inline-block; }
.capacity-table td.num { white-space: nowrap; text-align: center; font-variant-numeric: tabular-nums; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-list {
  list-style: none;
  margin: 0;
}

.contact-info-list li {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-list li:last-child { border-bottom: none; }

.contact-info-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.2rem;
}

.contact-info-list strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.contact-info-list span,
.contact-info-list a {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.map-placeholder {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

.map-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg, transparent 24%, rgba(230,126,34,0.06) 25%, rgba(230,126,34,0.06) 26%, transparent 27%, transparent 74%, rgba(230,126,34,0.06) 75%, rgba(230,126,34,0.06) 76%, transparent 77%),
    linear-gradient(90deg, transparent 24%, rgba(230,126,34,0.06) 25%, rgba(230,126,34,0.06) 26%, transparent 27%, transparent 74%, rgba(230,126,34,0.06) 75%, rgba(230,126,34,0.06) 76%, transparent 77%);
  background-size: 40px 40px;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.faq-item[open] {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 400;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* ===== Floating WhatsApp button ===== */
.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.8rem;
  box-shadow: var(--shadow-xl);
  transition: transform 0.2s, box-shadow 0.2s;
}

.wa-float:hover {
  transform: scale(1.08);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(37,211,102,0.4);
}

/* ===== Language entry page (index.html at root) ===== */
.lang-entry {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  padding: 40px 20px;
}

.lang-entry-inner {
  max-width: 1080px;
  width: 100%;
  text-align: center;
  color: var(--white);
}

.lang-entry-logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--white);
}

.lang-entry-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--white);
  color: var(--primary);
  border-radius: var(--radius);
  font-size: 1.4rem;
  font-weight: 900;
}

.lang-entry h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.lang-entry .tagline {
  color: rgba(255,255,255,0.92);
  font-size: 1.1rem;
  margin-bottom: 56px;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.lang-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  color: var(--white);
  text-decoration: none;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lang-card:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-6px);
  border-color: var(--white);
  color: var(--white);
  box-shadow: var(--shadow-xl);
}

.lang-flag {
  font-size: 3rem;
  margin-bottom: 16px;
  line-height: 1;
}

.lang-card-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.lang-card-sub {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
}

.lang-card-arrow {
  font-size: 1.2rem;
  color: var(--white);
  transition: transform 0.2s;
}

.lang-card:hover .lang-card-arrow { transform: translateX(6px); }

.lang-entry-footer {
  margin-top: 56px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

/* ===== Mobile menu drawer ===== */
.mobile-drawer {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--bg);
  z-index: 99;
  padding: 24px 20px;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
}

.mobile-drawer.open { display: flex; }

.mobile-drawer a {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
  font-size: 1.05rem;
}

.mobile-drawer .lang-switch-mobile {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 2px solid var(--border);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mobile-drawer .lang-switch-mobile a {
  padding: 8px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
}

.mobile-drawer .lang-switch-mobile a.current {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  section { padding: 56px 0; }
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .hero { height: 420px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .lang-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 56px 0 48px; }
  .section-head { margin-bottom: 40px; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
  .logo { font-size: 1.15rem; }
  .hero { height: 380px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .spec-table th, .spec-table td { padding: 10px 12px; font-size: 0.88rem; }
}

/* ===== Contact channels (WhatsApp + Email) ===== */
.contact-channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin: 32px 0 48px;
}

.channel-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.25s;
}

.channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.channel-card.channel-primary {
  background: linear-gradient(135deg, var(--whatsapp) 0%, var(--whatsapp-dark) 100%);
  color: var(--white);
  border-color: var(--whatsapp);
}

.channel-card.channel-primary h3,
.channel-card.channel-primary .channel-detail {
  color: var(--white);
}

.channel-card.channel-primary p {
  color: rgba(255,255,255,0.95);
}

.channel-card.channel-email {
  background: var(--white);
  border: 2px solid var(--secondary);
}

.channel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.2);
  color: var(--white);
  border-radius: 50%;
  font-size: 2rem;
  margin-bottom: 16px;
}

.channel-card:not(.channel-primary):not(.channel-email) .channel-icon {
  background: var(--primary);
}

.channel-card.channel-email .channel-icon {
  background: var(--secondary);
  color: var(--white);
}

.channel-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text);
}

.channel-card.channel-primary h3 { color: var(--white); }

.channel-detail {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  word-break: break-all;
}

.channel-card.channel-primary .channel-detail { color: var(--white); }

.channel-card p {
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 20px;
  line-height: 1.5;
}

.channel-card .btn { width: 100%; }

.qr-section {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 32px 0;
  border: 1px solid var(--border);
}

.qr-section h3 {
  margin-bottom: 8px;
  color: var(--primary);
}

.qr-section p {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.qr-placeholder {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 200px;
  background: var(--white);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-soft);
  font-size: 0.85rem;
  padding: 16px;
  text-align: center;
}

@media (max-width: 768px) {
  .contact-channels { grid-template-columns: 1fr; }
  .channel-card { padding: 28px 20px; }
}

/* ===== Print friendly ===== */
@media print {
  .site-header, .wa-float, .menu-toggle, .mobile-drawer { display: none; }
  body { color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
}