/* ============================
   TIANYUE PACK — MAIN STYLES
   ============================ */

:root {
  --primary: #0d1b2a;
  --secondary: #1a2e45;
  --gold: #d4a017;
  --gold-light: #f0c040;
  --gold-dark: #b8860b;
  --white: #ffffff;
  --light: #f8f9fa;
  --gray: #6c757d;
  --text: #2d3748;
  --border: #e2e8f0;
  --success: #28a745;
  --font-head: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.15);
  --radius: 10px;
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

a { text-decoration: none; color: inherit; }

img { max-width: 100%; }

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(212,160,23,0.35);
}
.btn-gold:hover { background: linear-gradient(135deg,var(--gold-dark),var(--gold)); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(212,160,23,0.5); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--primary); }
.btn-outline-gold {
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--gold);
  padding: 6px 16px;
  font-size: 0.85rem;
  border-radius: 4px;
  font-weight: 700;
}
.btn-outline-gold:hover { background: var(--gold); color: var(--primary); }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.center-btn { text-align: center; margin-top: 40px; }

/* ---- SECTION HEADER ---- */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header.light h2, .section-header.light p { color: var(--white); }
.section-header.light .section-tag { background: rgba(255,255,255,0.15); color: var(--gold-light); }
.section-tag {
  display: inline-block;
  background: rgba(212,160,23,0.12);
  color: var(--gold-dark);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.section-header h2 {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.2;
}
.section-header p { color: var(--gray); max-width: 600px; margin: 0 auto; }

/* ============================
   TOP BAR
   ============================ */
.top-bar {
  background: var(--primary);
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  padding: 8px 0;
}
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.top-bar i { margin-right: 5px; color: var(--gold); }
.lang-switcher { display: flex; gap: 8px; align-items: center; }
.lang-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.75);
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-head);
  padding: 3px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.lang-btn:hover { border-color: var(--gold-light); color: var(--gold-light); }
.lang-btn.lang-active { background: var(--gold); border-color: var(--gold); color: var(--primary); }
.top-bar-right { display: flex; align-items: center; gap: 16px; }

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  transition: var(--transition);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 1.3rem; color: var(--primary); }
.logo-icon { font-size: 1.8rem; }
.logo-text strong { color: var(--gold-dark); }
.nav-menu { display: flex; align-items: center; list-style: none; gap: 4px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text);
  border-radius: 6px;
  transition: var(--transition);
}
.nav-menu > li > a:hover, .nav-menu > li > a.active { color: var(--gold-dark); background: rgba(212,160,23,0.08); }
.nav-menu > li > a i { font-size: 0.7rem; margin-left: 3px; }

/* Dropdown */
.dropdown {
  display: none;
  position: absolute;
  top: 100%;          /* 紧贴父元素，不留 gap */
  left: 0;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  list-style: none;
  overflow: hidden;
  z-index: 999;
  border: 1px solid var(--border);
  padding-top: 8px;   /* 视觉上的间距改用内边距实现 */
}
/* 伪元素在父菜单项和下拉列表之间搭桥，防止鼠标经过空白时 hover 失效 */
.has-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 8px;        /* 与 padding-top 等高，完全覆盖间隙 */
  background: transparent;
}
.has-dropdown:hover .dropdown { display: block; animation: fadeDown 0.2s ease; }
.dropdown li a {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  color: var(--text);
  transition: var(--transition);
}
.dropdown li a:hover { background: rgba(212,160,23,0.08); color: var(--gold-dark); padding-left: 28px; }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

.nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--primary); }

/* ============================
   HERO CAROUSEL
   ============================ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-slides { position: relative; width: 100%; min-height: 90vh; }
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.7s ease;
  min-height: 90vh;
}
.hero-slide.active { opacity: 1; z-index: 1; position: relative; }
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
/* 深色遮罩 - 确保图片背景上的文字清晰可读 */
.hero-overlay-dark {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,27,42,0.7) 0%, rgba(26,58,92,0.5) 50%, rgba(13,43,68,0.6) 100%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-badge {
  display: inline-block;
  background: rgba(212,160,23,0.2);
  color: var(--gold-light);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(212,160,23,0.3);
}
.hero h1 {
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero h1 .gold { color: var(--gold-light); }
.hero-sub { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 600px; margin-bottom: 28px; }
.hero-points { display: flex; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }
.hero-points span { color: var(--gold-light); font-weight: 700; font-size: 0.95rem; }
.hero-cta { display: flex; gap: 16px; margin-bottom: 60px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat strong { display: block; font-size: 2rem; font-weight: 900; color: var(--gold-light); font-family: var(--font-head); }
.stat span { color: rgba(255,255,255,0.6); font-size: 0.82rem; }

/* Carousel dots & arrows */
.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}
.hero-dot.active { background: var(--gold); border-color: var(--gold); transform: scale(1.2); }
.hero-arrows { position: absolute; top: 50%; transform: translateY(-50%); width: 100%; display: flex; justify-content: space-between; z-index: 10; padding: 0 20px; }
.hero-arrow {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  font-size: 1.2rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.hero-arrow:hover { background: var(--gold); border-color: var(--gold); }
.hero-badge {
  display: inline-block;
  background: rgba(212,160,23,0.2);
  color: var(--gold-light);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(212,160,23,0.3);
}
.hero h1 {
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero h1 .gold { color: var(--gold-light); }
.hero-sub { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 600px; margin-bottom: 28px; }
.hero-points { display: flex; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }
.hero-points span { color: var(--gold-light); font-weight: 700; font-size: 0.95rem; }
.hero-cta { display: flex; gap: 16px; margin-bottom: 60px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat strong { display: block; font-size: 2rem; font-weight: 900; color: var(--gold-light); font-family: var(--font-head); }
.stat span { color: rgba(255,255,255,0.6); font-size: 0.82rem; }

/* ============================
   TRUST BAR
   ============================ */
.trust-bar {
  background: var(--light);
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.trust-item i { font-size: 2rem; color: var(--gold-dark); width: 44px; text-align: center; }
.trust-item strong { display: block; font-family: var(--font-head); font-weight: 700; color: var(--primary); }
.trust-item span { font-size: 0.82rem; color: var(--gray); }

/* ============================
   CATEGORIES
   ============================ */
.categories { padding: 80px 0; background: var(--white); }
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0);
  transition: var(--transition);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.cat-card:hover::before { transform: scaleX(1); }
.cat-icon { font-size: 2.8rem; margin-bottom: 14px; display: block; }
.cat-card h3 { font-family: var(--font-head); font-size: 0.95rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.cat-card p { font-size: 0.8rem; color: var(--gray); }

/* ============================
   WHY US
   ============================ */
.why-us { background: linear-gradient(135deg, var(--primary), #1a3a5c); padding: 80px 0; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.why-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
}
.why-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); border-color: rgba(212,160,23,0.4); }
.why-icon { font-size: 2.4rem; margin-bottom: 16px; }
.why-card h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--gold-light); margin-bottom: 10px; }
.why-card p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }

/* ============================
   QUOTE FORM
   ============================ */
.quote-section { padding: 80px 0; background: var(--light); }
.quote-form {
  background: var(--white);
  border-radius: 16px;
  padding: 48px;
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  margin: 0 auto;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-family: var(--font-head); font-size: 0.82rem; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  transition: var(--transition);
  background: var(--white);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,160,23,0.15); }
.form-submit { text-align: center; margin-top: 32px; }
.form-note { margin-top: 12px; font-size: 0.82rem; color: var(--gray); }
.form-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 20px;
  text-align: center;
  font-weight: 600;
}
.form-success i { margin-right: 8px; }

/* ============================
   INDUSTRIES
   ============================ */
.industries { padding: 80px 0; background: var(--white); }
.industry-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.industry-item {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}
.industry-item:hover { border-color: var(--gold); background: rgba(212,160,23,0.05); transform: translateY(-3px); }
.industry-item span { font-size: 2.4rem; display: block; margin-bottom: 10px; }
.industry-item p { font-family: var(--font-head); font-size: 0.85rem; font-weight: 700; color: var(--primary); }

/* ============================
   TESTIMONIALS
   ============================ */
.testimonials { padding: 80px 0; background: linear-gradient(135deg, #0d1b2a, #1a3a5c); }
.testi-slider { overflow: hidden; border-radius: var(--radius); }
.testi-track { display: flex; transition: transform 0.5s ease; }
.testi-card {
  min-width: 100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 44px 48px;
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 32px;
  align-items: start;
}
.testi-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  font-family: var(--font-head);
  flex-shrink: 0;
}
.testi-stars { color: var(--gold-light); font-size: 1.1rem; margin-bottom: 12px; }
.testi-text { color: rgba(255,255,255,0.85); font-size: 1rem; line-height: 1.8; margin-bottom: 16px; font-style: italic; }
.testi-name { font-family: var(--font-head); font-weight: 700; color: var(--gold-light); font-size: 1rem; }
.testi-role { color: rgba(255,255,255,0.5); font-size: 0.82rem; }
.testi-dots { display: flex; justify-content: center; gap: 8px; margin-top: 28px; }
.testi-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.3); cursor: pointer; transition: var(--transition); }
.testi-dot.active { background: var(--gold-light); transform: scale(1.3); }

/* ============================
   FAQ
   ============================ */
.faq-section { padding: 80px 0; background: var(--light); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--gold); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
  user-select: none;
}
.faq-question:hover { background: rgba(212,160,23,0.04); }
.faq-icon { font-size: 1.1rem; transition: var(--transition); color: var(--gold-dark); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 24px 20px; color: var(--gray); font-size: 0.9rem; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ============================
   ABOUT
   ============================ */
.about-section { padding: 80px 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content .section-tag { margin-bottom: 14px; }
.about-content h2 { font-family: var(--font-head); font-size: 2rem; font-weight: 900; color: var(--primary); margin-bottom: 20px; }
.about-content p { color: var(--gray); margin-bottom: 16px; line-height: 1.8; }
.about-list { list-style: none; margin: 24px 0; display: flex; flex-direction: column; gap: 10px; }
.about-list li { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--text); font-size: 0.9rem; }
.about-list li i { color: var(--success); font-size: 1rem; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.about-stat {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.about-stat:hover { border-color: var(--gold); transform: translateY(-3px); }
.about-stat strong { display: block; font-family: var(--font-head); font-size: 2rem; font-weight: 900; color: var(--gold-dark); margin-bottom: 6px; }
.about-stat span { color: var(--gray); font-size: 0.85rem; }

/* ============================
   CONTACT
   ============================ */
.contact-section { padding: 80px 0; background: var(--light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
.contact-info .section-tag { margin-bottom: 14px; }
.contact-info h2 { font-family: var(--font-head); font-size: 2rem; font-weight: 900; color: var(--primary); margin-bottom: 28px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; color: var(--gray); }
.contact-item i { color: var(--gold-dark); font-size: 1rem; margin-top: 3px; width: 20px; }
.contact-item a { color: var(--text); font-weight: 600; }
.contact-item a:hover { color: var(--gold-dark); }
.contact-form { background: var(--white); border-radius: 16px; padding: 40px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 16px; }
.contact-form input,
.contact-form textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,160,23,0.15); }

/* ============================
   FOOTER
   ============================ */
.footer { background: var(--primary); color: rgba(255,255,255,0.75); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .logo-text { font-family: var(--font-head); font-size: 1.2rem; color: var(--white); }
.footer-brand p { margin-top: 14px; font-size: 0.85rem; line-height: 1.8; opacity: 0.7; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  color: rgba(255,255,255,0.7);
}
.footer-social a:hover { background: var(--gold); color: var(--primary); }
.footer-links h4 { font-family: var(--font-head); font-size: 0.9rem; font-weight: 700; color: var(--white); margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links ul li a { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-links ul li a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom p { margin-bottom: 4px; }

/* ============================
   FLOATING CTA
   ============================ */
.floating-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
}
.floating-cta .btn { box-shadow: 0 8px 32px rgba(212,160,23,0.5); }

/* ============================
   PRODUCTS PAGE
   ============================ */
.page-hero {
  background: linear-gradient(135deg, var(--primary), #1a3a5c);
  padding: 80px 0 60px;
  text-align: center;
  color: var(--white);
}
.page-hero h1 { font-family: var(--font-head); font-size: 2.8rem; font-weight: 900; color: var(--white); }
.page-hero p { color: rgba(255,255,255,0.7); margin-top: 12px; }

.product-filters {
  padding: 28px 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 72px;
  z-index: 99;
}
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--white);
  color: var(--text);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { border-color: var(--gold); background: var(--gold); color: var(--primary); }

.products-main { padding: 60px 0; background: var(--light); }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.product-img {
  height: 200px;
  background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}
.product-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--gold);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--font-head);
}
.product-body { padding: 20px; }
.product-body h3 { font-family: var(--font-head); font-size: 0.95rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.product-body p { font-size: 0.82rem; color: var(--gray); margin-bottom: 14px; }
.product-body .btn { width: 100%; justify-content: center; font-size: 0.82rem; padding: 10px; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .industry-grid { grid-template-columns: repeat(4, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .top-bar-inner { flex-direction: column; gap: 8px; }
  .lang-switcher { display: none; }
  .nav-menu { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px; box-shadow: var(--shadow-lg); z-index: 999; border-top: 1px solid var(--border); }
  .nav-menu.open { display: flex; }
  .dropdown { position: static; box-shadow: none; border: none; background: var(--light); border-radius: 6px; padding: 4px 0; }
  .has-dropdown:hover .dropdown { display: none; }
  .has-dropdown.open .dropdown { display: block; }
  .nav-toggle { display: block; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .quote-form { padding: 28px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .testi-card { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .section-header h2 { font-size: 1.7rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { gap: 20px; }
  .stat strong { font-size: 1.5rem; }
  .trust-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .floating-cta { bottom: 16px; right: 16px; }
  .products-grid { grid-template-columns: 1fr; }
}