/* ========================================
   Genyun International Logistics
   Clean Unified Stylesheet
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Roboto:wght@300;400;500;700;900&display=swap');

:root {
  --navy: #0F3A78;
  --navy-dark: #0A2A5A;
  --navy-light: #1A4F99;
  --orange: #F5A623;
  --orange-dark: #E09010;
  --orange-light: #FFB840;
  --white: #FFFFFF;
  --gray-50: #F8F9FA;
  --gray-100: #F0F2F5;
  --gray-200: #E2E6EA;
  --gray-300: #CED4DA;
  --gray-500: #8895A7;
  --gray-700: #4A5568;
  --gray-900: #1A202C;
  --shadow-sm: 0 2px 8px rgba(15,58,120,0.08);
  --shadow-md: 0 4px 20px rgba(15,58,120,0.12);
  --shadow-lg: 0 8px 40px rgba(15,58,120,0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-en: 'Roboto', sans-serif;
  --font-zh: 'Noto Sans SC', sans-serif;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-en); color: var(--gray-900); background: var(--white); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Animations */
/* Animations */
.fade-in { opacity:0; transform:translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }
.fade-in-left { opacity:0; transform:translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-left.visible { opacity:1; transform:translateX(0); }
.fade-in-right { opacity:0; transform:translateX(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-right.visible { opacity:1; transform:translateX(0); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-container { display:flex; align-items:center; justify-content:space-between; height:72px; }
.nav-logo { display:flex; align-items:center; gap:10px; font-weight:700; color:var(--navy); white-space:nowrap; }
.logo-icon { width:42px; height:42px; background:linear-gradient(135deg,var(--navy),var(--navy-light)); border-radius:10px; display:flex; align-items:center; justify-content:center; color:var(--white); font-size:1.1rem; font-weight:900; flex-shrink:0; }
.logo-text { display:flex; flex-direction:column; line-height:1.2; }
.company-name { font-size:0.92rem; font-weight:700; color:var(--navy); }
.company-sub { font-size:0.62rem; font-weight:400; color:var(--gray-500); }
.nav-menu { display:flex; align-items:center; gap:4px; }
.nav-menu a { padding:8px 16px; font-size:0.9rem; font-weight:500; color:var(--gray-700); border-radius:var(--radius-sm); transition:var(--transition); }
.nav-menu a:hover, .nav-menu a.active { color:var(--navy); background:rgba(15,58,120,0.06); }
.nav-menu .nav-cta { background:var(--orange); color:var(--white)!important; padding:8px 20px; border-radius:50px; font-weight:600; }
.nav-menu .nav-cta:hover { background:var(--orange-dark); transform:translateY(-1px); box-shadow:0 4px 15px rgba(245,166,35,0.4); }
.nav-toggle { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:8px; background:none; border:none; }
.nav-toggle span { width:24px; height:2.5px; background:var(--navy); border-radius:2px; transition:var(--transition); }
.nav-toggle.open span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity:0; }
.nav-toggle.open span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* ===== HERO ===== */
.hero {
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 40%,var(--navy-light) 100%);
  overflow:hidden; padding-top:72px; position:relative;
}
.hero-bg-elements { position:absolute; inset:0; overflow:hidden; pointer-events:none; }
.hero-bg-elements .wave { position:absolute; bottom:-10px; left:-5%; width:110%; height:80px; background:rgba(255,255,255,0.03); border-radius:50% 50% 0 0; animation:waveFloat 8s ease-in-out infinite; }
.hero-bg-elements .wave:nth-child(2) { bottom:-20px; height:60px; background:rgba(255,255,255,0.02); animation-delay:-2s; animation-duration:10s; }
.hero-bg-elements .wave:nth-child(3) { bottom:-5px; height:40px; background:rgba(255,255,255,0.04); animation-delay:-4s; animation-duration:6s; }
@keyframes waveFloat { 0%,100%{transform:translateX(0) translateY(0);} 50%{transform:translateX(-20px) translateY(-10px);} }
.hero-content { position:relative; z-index:2; text-align:center; color:var(--white); max-width:900px; padding:40px 20px; }
.hero-badge { display:inline-block; background:rgba(245,166,35,0.15); border:1px solid rgba(245,166,35,0.3); border-radius:50px; padding:8px 20px; font-size:0.85rem; font-weight:500; color:var(--orange-light); margin-bottom:24px; }
.hero h1 { font-size:3rem; font-weight:900; line-height:1.15; margin-bottom:16px; }
.hero-tagline { font-size:1.15rem; font-weight:400; opacity:0.9; margin-bottom:10px; letter-spacing:0.5px; }
.hero-sub { font-size:1rem; opacity:0.75; margin-bottom:36px; line-height:1.7; }
.hero-sub strong { color:var(--orange); opacity:1; }
.hero-buttons { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.hero-stats { display:flex; justify-content:center; gap:48px; margin-top:48px; padding-top:36px; border-top:1px solid rgba(255,255,255,0.1); }
.hero-stat { text-align:center; }
.hero-stat .stat-number { font-size:1.6rem; font-weight:900; color:var(--orange); display:block; }
.hero-stat .stat-label { font-size:0.75rem; opacity:0.6; text-transform:uppercase; letter-spacing:1px; }

/* ===== BUTTONS ===== */
.btn { display:inline-flex; align-items:center; gap:8px; padding:14px 32px; border-radius:50px; font-size:1rem; font-weight:600; cursor:pointer; transition:var(--transition); border:none; font-family:var(--font-en); text-decoration:none; }
.btn-primary { background:var(--orange); color:var(--white); box-shadow:0 4px 20px rgba(245,166,35,0.35); }
.btn-primary:hover { background:var(--orange-dark); transform:translateY(-2px); box-shadow:0 8px 30px rgba(245,166,35,0.45); }
.btn-outline { background:transparent; color:var(--white); border:2px solid rgba(255,255,255,0.3); }
.btn-outline:hover { background:rgba(255,255,255,0.1); border-color:rgba(255,255,255,0.5); transform:translateY(-2px); }
.btn-navy { background:var(--navy); color:var(--white); }
.btn-navy:hover { background:var(--navy-dark); transform:translateY(-2px); }

/* ===== SECTIONS ===== */
.section { padding:90px 0; }
.section-alt { background:var(--gray-50); }
.section-navy { background:linear-gradient(135deg,var(--navy-dark),var(--navy)); color:var(--white); }
.section-header { text-align:center; max-width:700px; margin:0 auto 50px; }
.section-tag { display:inline-block; background:rgba(15,58,120,0.08); color:var(--navy); font-size:0.78rem; font-weight:600; text-transform:uppercase; letter-spacing:2px; padding:6px 16px; border-radius:50px; margin-bottom:14px; }
.section-navy .section-tag { background:rgba(245,166,35,0.15); color:var(--orange-light); }
.section-header h2 { font-size:2.2rem; font-weight:800; color:var(--navy); line-height:1.2; margin-bottom:14px; }
.section-navy .section-header h2 { color:var(--white); }
.section-header p { font-size:1rem; color:var(--gray-500); line-height:1.7; }
.section-navy .section-header p { color:rgba(255,255,255,0.65); }

/* ===== SERVICE CARDS (index 4-col) ===== */
.services-grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.service-card-v2 { background:var(--white); border-radius:var(--radius-md); padding:32px 24px; text-align:center; box-shadow:var(--shadow-sm); transition:var(--transition); border-top:3px solid transparent; }
.service-card-v2:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); border-top-color:var(--orange); }
.service-card-v2 .card-icon { font-size:2.5rem; margin-bottom:16px; }
.service-card-v2 h3 { font-size:1.05rem; font-weight:700; color:var(--navy); margin-bottom:10px; }
.service-card-v2 p { font-size:0.88rem; color:var(--gray-500); line-height:1.6; margin-bottom:16px; }
.card-link { font-size:0.85rem; font-weight:600; color:var(--orange); }
.card-link:hover { color:var(--orange-dark); }

/* ===== SERVICE CARDS (5-col for 5-in-1) ===== */
.services-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:20px; }
.service-card { background:var(--white); border-radius:var(--radius-md); padding:32px 18px; text-align:center; box-shadow:var(--shadow-sm); transition:var(--transition); position:relative; overflow:hidden; }
.service-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--navy),var(--orange)); transform:scaleX(0); transition:var(--transition); }
.service-card:hover { transform:translateY(-8px); box-shadow:var(--shadow-lg); }
.service-card:hover::before { transform:scaleX(1); }
.service-card .card-icon { width:60px; height:60px; margin:0 auto 16px; background:rgba(15,58,120,0.06); border-radius:14px; display:flex; align-items:center; justify-content:center; font-size:1.6rem; }
.service-card h3 { font-size:0.92rem; font-weight:700; color:var(--navy); margin-bottom:8px; }
.service-card p { font-size:0.8rem; color:var(--gray-500); line-height:1.5; }

/* ===== ADVANTAGES GRID (index) ===== */
.advantages-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; max-width:800px; margin:0 auto; }
.adv-item { display:flex; align-items:center; gap:12px; padding:14px 20px; background:rgba(255,255,255,0.08); border-radius:var(--radius-sm); font-size:0.95rem; color:rgba(255,255,255,0.9); }
.adv-icon { font-size:1.1rem; flex-shrink:0; }

/* ===== SERVICE DETAIL (services page) ===== */
.service-detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.service-detail-card { background:var(--white); border-radius:var(--radius-md); padding:32px; box-shadow:var(--shadow-sm); transition:var(--transition); border-left:4px solid var(--navy); }
.service-detail-card:hover { box-shadow:var(--shadow-md); transform:translateY(-4px); }
.service-detail-card h3 { font-size:1.2rem; color:var(--navy); margin-bottom:16px; font-weight:700; }
.service-list { list-style:none; padding:0; }
.service-list li { display:flex; align-items:center; gap:10px; padding:8px 0; font-size:0.9rem; color:var(--gray-700); border-bottom:1px solid var(--gray-100); }
.service-list li:last-child { border-bottom:none; }
.service-list li::before { content:'✓'; color:var(--orange); font-weight:700; flex-shrink:0; }

/* ===== CONTACT BAR ===== */
.contact-bar { background:var(--orange); padding:20px 0; }
.contact-bar-flex { display:flex; justify-content:center; align-items:center; gap:48px; flex-wrap:wrap; }
.cb-item { display:flex; align-items:center; gap:8px; color:var(--white); font-size:0.9rem; font-weight:500; }
.cb-item a { color:var(--white); }
.cb-icon { font-size:1.1rem; }

/* ===== PAGE HEADER (inner pages) ===== */
.page-header { padding:140px 0 60px; background:linear-gradient(135deg,var(--navy-dark),var(--navy)); color:var(--white); text-align:center; position:relative; overflow:hidden; }
.page-header h1 { font-size:2.6rem; font-weight:800; margin-bottom:8px; }
.page-breadcrumb { font-size:0.88rem; opacity:0.65; }

/* ===== FOOTER ===== */
.footer { background:var(--navy-dark); color:rgba(255,255,255,0.7); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.5fr; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,0.08); }
.footer-brand .footer-logo { font-size:1.1rem; font-weight:700; color:var(--white); margin-bottom:14px; display:flex; align-items:center; gap:10px; }
.footer-brand .footer-logo .logo-icon { width:36px; height:36px; background:linear-gradient(135deg,var(--orange),var(--orange-dark)); border-radius:8px; font-size:0.9rem; }
.footer-brand p { font-size:0.86rem; line-height:1.7; }
.footer-col h4 { color:var(--white); font-size:0.92rem; font-weight:600; margin-bottom:18px; padding-bottom:10px; position:relative; }
.footer-col h4::after { content:''; position:absolute; bottom:0; left:0; width:28px; height:2px; background:var(--orange); border-radius:2px; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul li a { font-size:0.86rem; }
.footer-col ul li a:hover { color:var(--orange); padding-left:4px; }
.footer-contact-item { display:flex; align-items:flex-start; gap:10px; margin-bottom:12px; font-size:0.84rem; }
.fc-icon { font-size:1rem; flex-shrink:0; margin-top:2px; }
.footer-contact-item a { color:rgba(255,255,255,0.7); }
.footer-contact-item a:hover { color:var(--orange); }
.footer-bottom { padding:20px 0; text-align:center; font-size:0.78rem; opacity:0.5; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float { position:fixed; bottom:28px; right:28px; z-index:999; display:flex; align-items:center; gap:10px; }
.whatsapp-float a { display:flex; align-items:center; justify-content:center; width:60px; height:60px; background:#25D366; border-radius:50%; box-shadow:0 4px 20px rgba(37,211,102,0.4); transition:var(--transition); position:relative; }
.whatsapp-float a:hover { transform:scale(1.1); box-shadow:0 6px 30px rgba(37,211,102,0.5); }
.whatsapp-float a::before { content:''; position:absolute; width:100%; height:100%; border-radius:50%; background:#25D366; animation:waPulse 2s ease-in-out infinite; z-index:-1; }
@keyframes waPulse { 0%{transform:scale(1);opacity:0.5;} 100%{transform:scale(1.5);opacity:0;} }
.whatsapp-float svg { width:32px; height:32px; fill:white; }
.whatsapp-tooltip { background:var(--gray-900); color:var(--white); padding:8px 14px; border-radius:8px; font-size:0.8rem; font-weight:500; white-space:nowrap; opacity:0; transform:translateX(10px); transition:var(--transition); pointer-events:none; }
.whatsapp-float:hover .whatsapp-tooltip { opacity:1; transform:translateX(0); }

/* ===== RESPONSIVE ===== */
@media (max-width:1024px) {
  .services-grid-4 { grid-template-columns:repeat(2,1fr); }
  .services-grid { grid-template-columns:repeat(3,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
  .nav-menu { display:none; position:fixed; top:72px; left:0; right:0; background:var(--white); flex-direction:column; padding:20px; box-shadow:var(--shadow-md); gap:4px; }
  .nav-menu.open { display:flex; }
  .nav-toggle { display:flex; }
  .hero h1 { font-size:2rem; }
  .hero-tagline { font-size:0.95rem; }
  .hero-stats { gap:20px; flex-wrap:wrap; }
  .hero-stat .stat-number { font-size:1.2rem; }
  .services-grid-4 { grid-template-columns:1fr; }
  .services-grid { grid-template-columns:1fr 1fr; }
  .service-detail-grid { grid-template-columns:1fr; }
  .advantages-grid { grid-template-columns:1fr; }
  .contact-bar-flex { gap:16px; flex-direction:column; text-align:center; }
  .footer-grid { grid-template-columns:1fr; }
  .page-header { padding:120px 0 40px; }
  .page-header h1 { font-size:2rem; }
  .section { padding:60px 0; }
}
@media (max-width:480px) {
  .services-grid { grid-template-columns:1fr; }
  .hero h1 { font-size:1.6rem; }
}