/* ===== 8K8W v3 — Clean Professional Theme (Reference: yongxinpg.com style) ===== */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --bg-white: #ffffff;
  --bg-light: #f5f3ff;
  --bg-blue: #e0e7ff;
  --bg-deep: #cffafe;
  --text-dark: #1e293b;
  --text-gray: #475569;
  --text-light: #64748b;
  --border: #e2e8f0;
  --red: #ef4444;
  --green: #22c55e;
  --gradient: linear-gradient(135deg, var(--primary), var(--accent));
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark); background: var(--bg-white);
  line-height: 1.7; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

/* ===== Layout ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.section-light { background: var(--bg-light); }
.section-blue { background: var(--bg-blue); }
.text-center { text-align: center; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mb-64 { margin-bottom: 64px; }

/* Section Headers — like reference site */
.section-tag {
  display: inline-block; padding: 6px 18px; background: var(--bg-blue);
  color: var(--primary); font-size: 0.8rem; font-weight: 600;
  border-radius: 20px; margin-bottom: 14px;
}
.section-title {
  font-size: 2rem; font-weight: 700; color: var(--text-dark);
  line-height: 1.3; margin-bottom: 12px;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-gray); max-width: 600px; line-height: 1.7;
}
.section-subtitle.center { margin: 0 auto; }

/* ===== Navbar — clean like reference ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08); transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 12px rgba(0,0,0,0.12); }
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center; height: 72px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo svg { flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; }
.logo-title { font-size: 1.3rem; font-weight: 700; color: var(--primary); letter-spacing: 0.5px; }
.logo-subtitle { font-size: 0.65rem; color: var(--text-gray); letter-spacing: 1px; text-transform: uppercase; }

.nav-links { display: flex; list-style: none; gap: 0; align-items: center; }
.nav-links li { position: relative; }
.nav-links li a {
  display: block; padding: 8px 18px; color: var(--text-dark);
  text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: var(--transition); position: relative;
}
.nav-links li a::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 3px; background: var(--gradient); border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-links li a:hover { color: var(--primary); }
.nav-links li a:hover::after, .nav-links li a.active::after { width: 28px; }
.nav-links li a.active { color: var(--primary); }

/* Dropdown — click-based, stays open */
.dropdown-menu {
  display: none; position: absolute; top: calc(100% + 6px); left: 50%;
  transform: translateX(-50%); min-width: 240px;
  background: var(--bg-white); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-xl);
  padding: 6px 0; z-index: 100;
}
.dropdown-menu.show { display: block; animation: dropdownIn 0.2s ease; }
@keyframes dropdownIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.dropdown-menu::before {
  content: ''; position: absolute; top: -7px; left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px; background: var(--bg-white);
  border-left: 1px solid var(--border); border-top: 1px solid var(--border);
}
.dropdown-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 16px; font-size: 0.8rem; color: var(--text-gray);
  transition: var(--transition);
}
.dropdown-menu a:hover { background: var(--bg-light); color: var(--primary); }
.dropdown-menu a .dd-icon { font-size: 0.9rem; flex-shrink: 0; width: 20px; text-align: center; }
.dropdown-menu a .dd-text { display: flex; flex-direction: column; }
.dropdown-menu a .dd-text small { font-size: 0.68rem; color: var(--text-light); font-weight: 400; }
.dropdown-divider { height: 1px; background: var(--border); margin: 6px 0; }

/* Nav CTA button — like reference */
.nav-cta {
  padding: 9px 22px; background: var(--gradient); color: white !important;
  border-radius: var(--radius); font-weight: 600; font-size: 0.85rem;
  transition: var(--transition); text-decoration: none;
}
.nav-cta:hover {
  transform: translateY(-2px); box-shadow: 0 4px 12px rgba(26,86,219,0.35);
  color: white !important;
}
.nav-cta::after { display: none !important; }

/* Language Switcher */
.lang-switcher {
  display: flex; align-items: center; gap: 2px;
  background: var(--bg-light); border-radius: 20px; padding: 3px;
}
.lang-btn {
  border: none; background: transparent; padding: 4px 9px;
  font-size: 0.68rem; font-weight: 600; color: var(--text-light);
  cursor: pointer; border-radius: 16px; transition: var(--transition);
  text-transform: uppercase;
}
.lang-btn:hover { color: var(--primary); }
.lang-btn.active { background: var(--primary); color: white; }

/* Mobile */
.mobile-menu-btn {
  display: none; background: none; border: none;
  color: var(--text-dark); font-size: 1.5rem; cursor: pointer;
}

/* ===== Buttons ===== */
.btn {
  padding: 14px 32px; border-radius: var(--radius); font-size: 0.95rem;
  font-weight: 600; text-decoration: none; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px; border: none; cursor: pointer;
}
.btn-primary { background: var(--gradient); color: white; }
.btn-primary:hover {
  transform: translateY(-3px); box-shadow: 0 8px 20px rgba(26,86,219,0.35); color: white;
}
.btn-outline { background: white; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; transform: translateY(-3px); }
.btn-white { background: white; color: var(--primary); }
.btn-white:hover { background: var(--bg-light); color: var(--primary-dark); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ===== Hero — split layout like reference ===== */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-blue) 50%, var(--bg-deep) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,86,219,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center; position: relative; z-index: 1;
}
h1, .h1 {
  font-size: 2.6rem; font-weight: 700; line-height: 1.25;
  margin-bottom: 1.2rem; color: var(--text-dark);
}
h1 .hl, .h1 .hl { color: var(--primary); }
.hero-content p {
  font-size: 1rem; color: var(--text-gray); margin-bottom: 2rem; line-height: 1.8;
}
.hero-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
}
.hero-visual-card {
  background: white; border-radius: var(--radius-xl); padding: 40px;
  box-shadow: var(--shadow-xl); width: 100%;
}
.hero-visual-card .icon-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.hero-visual-card .icon-item {
  text-align: center; padding: 16px 8px; background: var(--bg-light);
  border-radius: var(--radius); transition: var(--transition);
  display: block; text-decoration: none; color: inherit; cursor: pointer;
}
.hero-visual-card .icon-item:hover { background: var(--bg-blue); transform: translateY(-2px); }
.hero-visual-card .icon-item .emoji { font-size: 1.8rem; margin-bottom: 6px; display: flex; align-items: center; justify-content: center; }
.hero-visual-card .icon-item .emoji i { font-size: 1.6rem; color: var(--primary); }
.hero-visual-card .icon-item span { font-size: 0.72rem; font-weight: 600; color: var(--text-gray); display: block; }

.hero-stats {
  display: flex; gap: 2.5rem; margin-bottom: 2rem;
}
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 2rem; font-weight: 700; color: var(--primary); line-height: 1; }
.hero-stat-num span { font-size: 1rem; color: var(--accent); }
.hero-stat-label { font-size: 0.75rem; color: var(--text-gray); margin-top: 4px; }

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== Trust Bar ===== */
.trust-bar {
  background: var(--text-dark); color: white; padding: 10px 0;
  font-size: 0.78rem; text-align: center;
}
.trust-bar .container {
  display: flex; align-items: center; justify-content: center;
  gap: 24px; flex-wrap: wrap;
}
.trust-bar span { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.7); }

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  font-size: 0.82rem; color: var(--text-light); margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-light); font-weight: 500; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: rgba(255,255,255,0.8); font-weight: 600; }

/* ===== Service Cards ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 32px 24px;
  transition: var(--transition); text-decoration: none; color: inherit;
  display: block; position: relative; overflow: hidden;
}
.service-card:hover {
  border-color: var(--primary); box-shadow: var(--shadow-xl);
  transform: translateY(-6px); color: inherit;
}
.service-icon {
  width: 52px; height: 52px; background: var(--bg-blue);
  border-radius: var(--radius); display: flex;
  align-items: center; justify-content: center;
  margin-bottom: 18px; font-size: 1.4rem;
}
.service-card h3 {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text-dark);
}
.service-card p { font-size: 0.88rem; color: var(--text-gray); line-height: 1.6; }
.service-card .arrow {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px; font-size: 0.82rem; font-weight: 600; color: var(--primary);
}

/* ===== Steps ===== */
.steps-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.step { text-align: center; }
.step-num {
  width: 64px; height: 64px; background: var(--gradient);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.2rem; font-weight: 800; color: white;
}
.step h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.step p { font-size: 0.82rem; color: var(--text-gray); line-height: 1.5; }

/* ===== Pain Points ===== */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pain-card {
  background: white; border: 1px solid var(--border);
  border-left: 4px solid var(--red); border-radius: var(--radius-lg);
  padding: 24px; transition: var(--transition);
}
.pain-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.pain-card .tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--red); background: #fef2f2; padding: 3px 10px;
  border-radius: 4px; margin-bottom: 10px;
}
.pain-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.pain-card p { font-size: 0.85rem; color: var(--text-gray); line-height: 1.6; }
.pain-card .stat {
  margin-top: 10px; font-size: 0.78rem; color: var(--text-light);
  padding-top: 10px; border-top: 1px solid #f1f5f9;
}
.pain-card .stat strong { color: var(--red); }

/* ===== Advantage Cards ===== */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-card {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 28px; text-align: center;
  transition: var(--transition);
}
.adv-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); }
.adv-card .icon { font-size: 2rem; margin-bottom: 14px; }
.adv-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.adv-card p { font-size: 0.85rem; color: var(--text-gray); }

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--gradient); border-radius: var(--radius-xl);
  padding: 64px; text-align: center; color: white;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; top: -40%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-banner h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 14px; position: relative; }
.cta-banner p {
  font-size: 1rem; opacity: 1; margin-bottom: 28px;
  max-width: 500px; margin-left: auto; margin-right: auto; position: relative;
  color: rgba(255,255,255,0.95);
}
.cta-banner .btn-white { position: relative; }

/* ===== Page Header ===== */
.page-header {
  padding: 120px 0 48px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-blue) 100%);
}
.page-header h1, .page-header .h1 {
  font-size: 2.2rem; font-weight: 700; margin-bottom: 12px; color: var(--text-dark);
}
.page-header p { font-size: 1rem; color: #475569; max-width: 600px; }
.page-header .breadcrumb a { color: #64748b; }
.page-header .breadcrumb .current { color: var(--text-dark); }

/* ===== Detail Content ===== */
.detail-section { padding: 64px 0; }
.detail-section h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; color: var(--text-dark); }
.detail-section p { font-size: 0.95rem; color: #475569; line-height: 1.85; margin-bottom: 14px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
.detail-item {
  background: var(--bg-light); border-radius: var(--radius-lg);
  padding: 24px; border-left: 4px solid var(--primary);
}
.detail-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.detail-item p { font-size: 0.88rem; margin: 0; }

/* ===== Trend Card ===== */
.trend-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 20px 0; }
.trend-card {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px; transition: var(--transition);
}
.trend-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.trend-card .trend-tag {
  display: inline-block; font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: white; background: var(--primary);
  padding: 3px 10px; border-radius: 4px; margin-bottom: 10px;
}
.trend-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.trend-card p { font-size: 0.82rem; color: var(--text-gray); line-height: 1.55; margin: 0; }

/* ===== Industry Grid ===== */
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 20px 0; }
.industry-item {
  display: flex; align-items: center; gap: 10px;
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  font-size: 0.85rem; font-weight: 600; transition: var(--transition);
}
.industry-item:hover { border-color: var(--primary); background: var(--bg-light); }
.industry-item .ind-icon { font-size: 1.2rem; }

/* ===== Field List ===== */
.field-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
  margin: 20px 0; padding: 0; list-style: none;
}
.field-list li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.88rem; color: var(--text-gray); line-height: 1.5;
}
.field-list li::before {
  content: '✓'; color: var(--primary); font-weight: 700;
  flex-shrink: 0; margin-top: 1px;
}

/* ===== Case Box ===== */
.case-box {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 28px; margin: 28px 0;
  position: relative; overflow: hidden;
}
.case-box::before {
  content: ''; position: absolute; top: 0; left: 0; bottom: 0;
  width: 4px; background: var(--gradient);
}
.case-box .case-label {
  display: inline-block; font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--primary); background: var(--bg-blue);
  padding: 4px 12px; border-radius: 4px; margin-bottom: 14px;
}
.case-box h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.case-box p { font-size: 0.88rem; color: #475569; line-height: 1.7; margin-bottom: 6px; }
.case-box .case-result {
  margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border);
  font-size: 0.82rem; color: #16a34a; font-weight: 600;
}

/* ===== Warning Box ===== */
.warning-box {
  background: #fef9c3; border: 1px solid #facc15;
  border-radius: var(--radius-lg); padding: 22px; margin: 24px 0;
}
.warning-box h4 { color: #92400e; font-size: 0.95rem; margin-bottom: 8px; }
.warning-box p { color: #92400e; font-size: 0.85rem; margin: 0; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 32px; text-align: center;
  transition: var(--transition);
}
.contact-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.contact-card .icon {
  width: 56px; height: 56px; background: var(--bg-blue);
  border-radius: var(--radius-lg); display: flex;
  align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.4rem;
}
.contact-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.contact-card p { font-size: 0.88rem; color: var(--text-gray); margin-bottom: 10px; }
.contact-card a { font-weight: 600; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-visual {
  background: linear-gradient(135deg, var(--bg-blue), var(--bg-light));
  border-radius: var(--radius-xl); height: 360px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card { text-align: center; padding: 28px 16px; }
.value-card .emoji { font-size: 2.2rem; margin-bottom: 12px; }
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.value-card p { font-size: 0.82rem; color: var(--text-gray); }

/* ===== FAQ ===== */
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; margin-bottom: 14px; transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary); }
.faq-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.faq-item p { font-size: 0.88rem; color: var(--text-gray); margin: 0; }

/* ===== Disclaimer ===== */
.disclaimer-content { max-width: 760px; }
.disclaimer-content h2 {
  font-size: 1.15rem; font-weight: 700;
  margin-top: 28px; margin-bottom: 10px;
}
.disclaimer-content p, .disclaimer-content ul {
  font-size: 0.9rem; color: var(--text-gray); line-height: 1.85; margin-bottom: 14px;
}
.disclaimer-content ul { padding-left: 24px; }
.disclaimer-content li { margin-bottom: 6px; }

/* ===== Footer ===== */
.footer {
  background: var(--text-dark); color: var(--text-light); padding: 64px 0 28px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand p {
  font-size: 0.82rem; line-height: 1.7; margin-top: 14px; color: var(--text-light);
}
.footer h4 {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: white; margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.82rem; color: var(--text-light); text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: white; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual-card .icon-grid { grid-template-columns: repeat(3, 1fr); }
}
/** Arabic RTL Optimizations */
[dir="rtl"] .nav-container { flex-direction: row-reverse; }
[dir="rtl"] .nav-links { flex-direction: row-reverse; }
[dir="rtl"] .nav-links li a { font-family: 'Noto Sans SC', 'Segoe UI', sans-serif; }
[dir="rtl"] .logo { flex-direction: row-reverse; }
[dir="rtl"] .logo svg { direction: ltr; unicode-bidi: embed; } /* Keep SVG logo always LTR */
[dir="rtl"] .logo-text { text-align: right; }
[dir="rtl"] .dropdown-menu { left: auto; right: 50%; transform: translateX(50%); }
[dir="rtl"] .dropdown-menu::before { left: auto; right: 50%; transform: translateX(50%) rotate(45deg); }
[dir="rtl"] .dropdown-menu a { flex-direction: row-reverse; text-align: right; }
[dir="rtl"] .hero-inner { direction: rtl; }
[dir="rtl"] .hero-content { text-align: right; }
[dir="rtl"] .hero-buttons { justify-content: flex-end; }
[dir="rtl"] .hero-stats { flex-direction: row-reverse; }
[dir="rtl"] .hero-stat { text-align: center; }
[dir="rtl"] .pain-card { border-left: none; border-right: 4px solid var(--red); }
[dir="rtl"] .detail-item { border-left: none; border-right: 4px solid var(--primary); }
[dir="rtl"] .case-box::before { left: auto; right: 0; }
[dir="rtl"] .breadcrumb { flex-direction: row-reverse; }
[dir="rtl"] .footer-grid { direction: rtl; }
[dir="rtl"] .footer-bottom { flex-direction: row-reverse; }
[dir="rtl"] .section-tag { padding-left: 0; padding-right: 24px; }
[dir="rtl"] .section-tag::before { left: auto; right: 0; }
[dir="rtl"] .field-list li::before { content: none; }
[dir="rtl"] .field-list li::after { content: '✓'; color: var(--primary); font-weight: 700; flex-shrink: 0; }
[dir="rtl"] .field-list li { flex-direction: row-reverse; }
[dir="rtl"] .mobile-menu-btn { order: -1; }
[dir="rtl"] .lang-switcher { flex-direction: row-reverse; }
[dir="rtl"] .trust-bar .container { flex-direction: row-reverse; }
[dir="rtl"] .cta-banner { direction: rtl; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 72px; left: 0; right: 0; background: white;
    padding: 16px; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow); gap: 2px;
  }
  .nav-links.open li a { padding: 10px 14px; font-size: 0.9rem; }
  .nav-links.open .dropdown-menu {
    position: static; transform: none; min-width: 100%;
    box-shadow: none; border: none; border-top: 1px solid var(--border);
    border-radius: 0; margin-top: 4px;
  }
  .nav-links.open .dropdown-menu::before { display: none; }
  .nav-links.open .dropdown-menu a { padding: 8px 14px; }
  .mobile-menu-btn { display: block; }
  .lang-switcher { display: flex !important; gap: 2px; flex-shrink: 0; }
  .lang-btn { padding: 5px 7px; font-size: 11px; }
  .hero { padding: 100px 0 60px; }
  h1, .h1 { font-size: 1.8rem; }
  .hero-stats { flex-direction: row; gap: 12px; justify-content: center; }
  .hero-stat-num { font-size: 1.5rem; }
  .hero-stat-label { font-size: 0.7rem; }
  .hero-visual { display: block; margin-top: 32px; }
  .hero-visual-card { padding: 20px; }
  .hero-visual-card .icon-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .hero-visual-card .icon-item { padding: 10px 4px; }
  .hero-visual-card .icon-item .emoji i { font-size: 1.2rem; }
  .hero-visual-card .icon-item span { font-size: 0.65rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .services-grid, .adv-grid, .pain-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .trend-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .field-list { grid-template-columns: 1fr; }
  .cta-banner { padding: 36px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.5rem; }
  .page-header h1, .page-header .h1 { font-size: 1.6rem; }
  [dir="rtl"] .nav-links.open { direction: rtl; text-align: right; }
}