:root{--primary:#1a56db;--primary-dark:#1e429f;--accent:#f59e0b;--dark:#0f172a;--gray-900:#111827;--gray-800:#1f2937;--gray-700:#374151;--gray-600:#4b5563;--gray-500:#6b7280;--gray-400:#9ca3af;--gray-300:#d1d5db;--gray-200:#e5e7eb;--gray-100:#f3f4f6;--gray-50:#f9fafb;--white:#fff;--success:#10b981;--danger:#ef4444;--font-sans:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;--shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--shadow-2xl:0 25px 50px -12px rgba(0,0,0,.25);--radius:.5rem;--radius-lg:1rem;--container:1200px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--gray-800);background:var(--white);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.top-bar{background:var(--dark);color:var(--gray-300);font-size:13px;padding:8px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar a{color:var(--gray-300)}.top-bar a:hover{color:var(--white)}
.top-bar-left{display:flex;gap:24px;align-items:center}
.top-bar-right{display:flex;gap:16px;align-items:center}
.lang-switch{display:flex;gap:8px}.lang-switch a{padding:2px 8px;border-radius:4px}
.lang-switch a.active{background:var(--primary);color:var(--white)}
header{background:var(--white);box-shadow:var(--shadow);position:sticky;top:0;z-index:1000}
header .container{display:flex;justify-content:space-between;align-items:center;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:44px;width:auto}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text .brand{font-size:20px;font-weight:800;color:var(--dark);letter-spacing:-.5px}
.logo-text .brand-en{font-size:11px;color:var(--gray-500);font-weight:500;letter-spacing:.5px;text-transform:uppercase}
nav.main-nav{display:flex;align-items:center;gap:4px}
nav.main-nav a{color:var(--gray-700);font-weight:600;font-size:15px;padding:8px 14px;border-radius:var(--radius);transition:all .2s}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--primary);background:var(--gray-50)}
.header-cta{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;font-size:15px;font-weight:600;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:all .2s;text-decoration:none;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-md)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-accent{background:var(--accent);color:var(--dark);border-color:var(--accent)}
.btn-accent:hover{background:#d97706;border-color:#d97706;color:var(--white)}
.btn-lg{padding:14px 32px;font-size:17px}
.btn-whatsapp{background:#25D366;color:var(--white);border-color:#25D366}
.btn-whatsapp:hover{background:#128C7E;border-color:#128C7E;color:var(--white)}
.mobile-menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--dark);padding:8px}
.hero{position:relative;background:linear-gradient(135deg,var(--dark) 0%,var(--primary-dark) 100%);color:var(--white);padding:80px 0 100px;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url(data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E);opacity:.5}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:6px 16px;border-radius:50px;font-size:13px;font-weight:600;margin-bottom:24px;backdrop-filter:blur(10px)}
.hero-badge .dot{width:8px;height:8px;background:var(--success);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.hero h1{font-size:48px;font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-1px}
.hero h1 .highlight{color:var(--accent)}
.hero p.lead{font-size:19px;line-height:1.7;color:rgba(255,255,255,.85);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stat .number{font-size:36px;font-weight:800;color:var(--accent);line-height:1}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}
.hero-image{position:relative}
.hero-image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-2xl)}
.floating-card{position:absolute;bottom:-20px;left:-20px;background:var(--white);color:var(--dark);padding:20px 24px;border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:16px}
.floating-card .icon{width:48px;height:48px;background:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:24px}
.floating-card .text .title{font-weight:700;font-size:15px}
.floating-card .text .sub{font-size:12px;color:var(--gray-500)}
.trust-bar{background:var(--white);border-bottom:1px solid var(--gray-200);padding:32px 0}
.trust-bar .container{display:flex;justify-content:space-around;align-items:center;flex-wrap:wrap;gap:24px}
.trust-item{display:flex;align-items:center;gap:12px}
.trust-item .icon{font-size:28px}
.trust-item .text .title{font-weight:700;font-size:15px;color:var(--dark)}
.trust-item .text .sub{font-size:12px;color:var(--gray-500)}
section{padding:80px 0}
.section-header{text-align:center;max-width:720px;margin:0 auto 56px}
.section-tag{display:inline-block;background:rgba(26,86,219,.1);color:var(--primary);font-size:13px;font-weight:700;padding:6px 16px;border-radius:50px;margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}
.section-header h2{font-size:38px;font-weight:800;color:var(--dark);line-height:1.2;margin-bottom:16px;letter-spacing:-.5px}
.section-header p{font-size:17px;color:var(--gray-600);line-height:1.7}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;transition:all .3s}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--primary)}
.product-card .image{height:200px;background:var(--gray-100);overflow:hidden;position:relative}
.product-card .image img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.product-card:hover .image img{transform:scale(1.05)}
.product-card .badge{position:absolute;top:12px;left:12px;background:var(--accent);color:var(--dark);font-size:11px;font-weight:700;padding:4px 10px;border-radius:4px;text-transform:uppercase}
.product-card .content{padding:24px}
.product-card h3{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:8px}
.product-card p{font-size:14px;color:var(--gray-600);margin-bottom:16px;line-height:1.6}
.product-card .features{list-style:none;margin-bottom:20px}
.product-card .features li{font-size:13px;color:var(--gray-700);padding:4px 0;display:flex;align-items:center;gap:8px}
.product-card .features li::before{content:'\2713';color:var(--success);font-weight:700}
.product-card .card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--gray-100)}
.product-card .price-note{font-size:12px;color:var(--gray-500)}
.solutions-section{background:var(--gray-50)}
.solutions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.solution-card{background:var(--white);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;border:1px solid var(--gray-200);transition:all .3s}
.solution-card:hover{border-color:var(--primary);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.solution-card .icon{width:64px;height:64px;margin:0 auto 20px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--white)}
.solution-card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.solution-card p{font-size:13px;color:var(--gray-600);line-height:1.6}
.why-section{background:var(--white)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.why-image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-xl)}
.why-content h2{font-size:36px;font-weight:800;color:var(--dark);margin-bottom:20px;line-height:1.2}
.why-content>p{font-size:16px;color:var(--gray-600);margin-bottom:32px;line-height:1.7}
.why-list{list-style:none}
.why-list li{display:flex;gap:16px;margin-bottom:24px}
.why-list .num{flex-shrink:0;width:40px;height:40px;background:var(--primary);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.why-list h4{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:4px}
.why-list p{font-size:14px;color:var(--gray-600);line-height:1.6}
.projects-section{background:var(--gray-50)}
.project-filters{display:flex;justify-content:center;gap:12px;margin-bottom:40px;flex-wrap:wrap}
.filter-btn{padding:8px 20px;border:1px solid var(--gray-300);background:var(--white);border-radius:50px;font-size:14px;font-weight:600;color:var(--gray-700);cursor:pointer;transition:all .2s}
.filter-btn:hover,.filter-btn.active{background:var(--primary);color:var(--white);border-color:var(--primary)}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.project-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-200);transition:all .3s}
.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}
.project-card .image{height:220px;background:var(--gray-100);overflow:hidden;position:relative}
.project-card .image img{width:100%;height:100%;object-fit:cover}
.project-card .region-tag{position:absolute;top:12px;right:12px;background:rgba(0,0,0,.7);color:var(--white);font-size:12px;font-weight:600;padding:4px 12px;border-radius:4px;backdrop-filter:blur(4px)}
.project-card .content{padding:24px}
.project-card .meta{display:flex;gap:16px;margin-bottom:12px;font-size:12px;color:var(--gray-500)}
.project-card .meta span{display:flex;align-items:center;gap:4px}
.project-card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.project-card p{font-size:14px;color:var(--gray-600);line-height:1.6;margin-bottom:16px}
.project-card .specs{display:flex;gap:16px;padding-top:16px;border-top:1px solid var(--gray-100)}
.project-card .spec{text-align:center;flex:1}
.project-card .spec .val{font-size:18px;font-weight:700;color:var(--primary)}
.project-card .spec .lbl{font-size:11px;color:var(--gray-500)}
.process-section{background:var(--white)}
.process-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative}
.process-step{text-align:center;position:relative}
.process-step .step-num{width:56px;height:56px;margin:0 auto 16px;background:var(--white);border:3px solid var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:var(--primary);position:relative;z-index:1}
.process-step h4{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:6px}
.process-step p{font-size:13px;color:var(--gray-600);line-height:1.5}
.faq-section{background:var(--gray-50)}
.faq-container{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);margin-bottom:12px;overflow:hidden;transition:all .2s}
.faq-item:hover{border-color:var(--primary)}
.faq-question{padding:20px 24px;font-size:16px;font-weight:600;color:var(--dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-question .toggle{font-size:20px;color:var(--primary);flex-shrink:0;transition:transform .2s}
.faq-item.open .faq-question .toggle{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-answer{max-height:500px}
.faq-answer-inner{padding:0 24px 20px;font-size:15px;color:var(--gray-600);line-height:1.7}
.faq-answer-inner p{margin-bottom:12px}
.faq-answer-inner ul{padding-left:20px;margin-bottom:12px}
.faq-answer-inner li{margin-bottom:6px}
.cta-section{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--dark) 100%);color:var(--white);padding:72px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(245,158,11,.1) 0%,transparent 70%);border-radius:50%}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{font-size:36px;font-weight:800;margin-bottom:16px}
.cta-section p{font-size:18px;color:rgba(255,255,255,.8);margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.contact-section{background:var(--white)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start}
.contact-info h2{font-size:32px;font-weight:800;color:var(--dark);margin-bottom:16px}
.contact-info>p{font-size:16px;color:var(--gray-600);margin-bottom:32px;line-height:1.7}
.contact-items{list-style:none;margin-bottom:32px}
.contact-items li{display:flex;gap:16px;margin-bottom:20px}
.contact-items .icon{flex-shrink:0;width:44px;height:44px;background:rgba(26,86,219,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary)}
.contact-items .text .label{font-size:13px;color:var(--gray-500);margin-bottom:2px}
.contact-items .text .value{font-size:15px;font-weight:600;color:var(--dark)}
.quote-form{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:36px}
.quote-form h3{font-size:22px;font-weight:700;color:var(--dark);margin-bottom:8px}
.quote-form .form-sub{font-size:14px;color:var(--gray-600);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:6px}
.form-group label .req{color:var(--danger)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:14px;font-family:inherit;transition:border-color .2s,box-shadow .2s;background:var(--white)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,219,.1)}
.form-group textarea{resize:vertical;min-height:100px}
.form-group .hint{font-size:12px;color:var(--gray-500);margin-top:4px}
.form-check{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px}
.form-check input{margin-top:3px}
.form-check label{font-size:13px;color:var(--gray-600);line-height:1.5}
.form-submit{width:100%}
.about-hero{background:linear-gradient(135deg,var(--dark),var(--primary-dark));color:var(--white);padding:60px 0;text-align:center}
.about-hero h1{font-size:42px;font-weight:800;margin-bottom:12px}
.about-hero p{font-size:18px;color:rgba(255,255,255,.8);max-width:600px;margin:0 auto}
.about-story{padding:80px 0}
.about-story .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-story h2{font-size:32px;font-weight:800;color:var(--dark);margin-bottom:20px}
.about-story p{font-size:16px;color:var(--gray-600);line-height:1.8;margin-bottom:16px}
.about-story img{border-radius:var(--radius-lg);box-shadow:var(--shadow-xl)}
.stats-band{background:var(--gray-50);padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item .number{font-size:48px;font-weight:800;color:var(--primary);line-height:1;margin-bottom:8px}
.stat-item .label{font-size:15px;color:var(--gray-600);font-weight:600}
.certifications{padding:80px 0}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cert-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all .3s}
.cert-card:hover{border-color:var(--primary);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.cert-card .icon{font-size:40px;margin-bottom:16px}
.cert-card h4{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:6px}
.cert-card p{font-size:13px;color:var(--gray-600)}
footer{background:var(--dark);color:var(--gray-400);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text .brand{color:var(--white)}
.footer-brand .logo-text .brand-en{color:var(--gray-500)}
.footer-brand p{font-size:14px;line-height:1.7;margin-bottom:20px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:36px;height:36px;background:rgba(255,255,255,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--gray-300);font-size:16px;transition:all .2s}
.footer-social a:hover{background:var(--primary);color:var(--white)}
.footer-col h4{font-size:15px;font-weight:700;color:var(--white);margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--gray-400);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--white)}
.footer-contact li{display:flex;gap:10px;margin-bottom:14px;font-size:14px}
.footer-contact .icon{color:var(--primary);flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px}
.footer-bottom .links{display:flex;gap:24px}
.footer-bottom .links a{color:var(--gray-400)}
.footer-bottom .links a:hover{color:var(--white)}
.whatsapp-float{position:fixed;bottom:24px;right:24px;z-index:999;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--white);box-shadow:0 4px 12px rgba(37,211,102,.4);transition:all .3s;animation:whatsapp-pulse 2s infinite;text-decoration:none}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(37,211,102,.5);color:var(--white)}
@keyframes whatsapp-pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}
.breadcrumb{padding:16px 0;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}
.breadcrumb .container{font-size:14px;color:var(--gray-500)}
.breadcrumb a{color:var(--gray-600)}.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .separator{margin:0 8px;color:var(--gray-400)}
.breadcrumb .current{color:var(--gray-700);font-weight:600}
@media(max-width:1024px){.hero .container{grid-template-columns:1fr;gap:40px}.hero h1{font-size:38px}.products-grid,.projects-grid{grid-template-columns:repeat(2,1fr)}.solutions-grid{grid-template-columns:repeat(2,1fr)}.why-grid,.about-story .container,.contact-grid{grid-template-columns:1fr;gap:40px}.process-steps{grid-template-columns:repeat(3,1fr);gap:32px}.footer-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.top-bar{display:none}nav.main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--white);flex-direction:column;padding:16px;box-shadow:var(--shadow-lg);gap:4px}nav.main-nav.open{display:flex}nav.main-nav a{width:100%;padding:12px 16px}.mobile-menu-btn{display:block}.header-cta .btn{display:none}.hero{padding:48px 0 64px}.hero h1{font-size:30px}.hero p.lead{font-size:16px}.hero-stats{gap:24px}.hero-stat .number{font-size:28px}section{padding:56px 0}.section-header h2{font-size:28px}.products-grid,.projects-grid,.solutions-grid{grid-template-columns:1fr}.process-steps{grid-template-columns:1fr;gap:24px}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:32px}.stats-grid,.cert-grid{grid-template-columns:repeat(2,1fr);gap:20px}.stat-item .number{font-size:36px}.cta-section h2{font-size:28px}.about-hero h1{font-size:32px}.quote-form{padding:24px}}
@media print{.whatsapp-float,.top-bar,header,footer,.cta-section{display:none}body{color:#000}}

/* ===== NEW REDESIGNED HEADER ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 3px rgba(0,0,0,.08);transition:all .3s}
.site-header.scrolled{background:rgba(255,255,255,.98);box-shadow:0 2px 12px rgba(0,0,0,.1)}
.header-inner{display:flex;justify-content:space-between;align-items:center;height:68px;max-width:1200px;margin:0 auto;padding:0 24px}
.brand-logo{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-logo .logo-img{width:44px;height:44px;border-radius:50%;object-fit:cover;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-size:19px;font-weight:800;color:var(--dark);letter-spacing:-.5px}
.brand-en{font-size:10px;color:var(--gray-500);font-weight:600;letter-spacing:.8px;text-transform:uppercase;margin-top:2px}
.site-header .main-nav{display:flex;align-items:center;gap:2px}
.site-header .main-nav a{color:var(--gray-700);font-weight:600;font-size:14.5px;padding:8px 13px;border-radius:8px;transition:all .2s;white-space:nowrap}
.site-header .main-nav a:hover,.site-header .main-nav a.active{color:var(--primary);background:rgba(26,86,219,.06)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-actions .lang-switch{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600}
.header-actions .lang-other{color:var(--gray-500);transition:color .2s}
.header-actions .lang-other:hover{color:var(--primary)}
.header-actions .lang-divider{color:var(--gray-300)}
.header-actions .lang-current{color:var(--dark)}
.btn-quote{background:linear-gradient(135deg,#f59e0b,#d97706);color:var(--dark);font-weight:700;padding:9px 20px;font-size:14px;border-radius:8px;border:none;cursor:pointer;transition:all .2s;box-shadow:0 2px 8px rgba(245,158,11,.3);white-space:nowrap}
.btn-quote:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(245,158,11,.4);color:var(--dark)}
.mobile-menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:8px;width:36px;height:36px}
.mobile-menu-btn span{display:block;width:22px;height:2.5px;background:var(--dark);border-radius:2px;transition:all .3s}
body{padding-top:68px}
@media(max-width:768px){body{padding-top:60px}}

/* ===== MOBILE RESPONSIVE ===== */
@media(max-width:1024px){
  .site-header .main-nav a{padding:8px 9px;font-size:13.5px}
  .hero h1{font-size:38px}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .solutions-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{height:60px;padding:0 16px}
  .brand-logo .logo-img{width:38px;height:38px}
  .brand-cn{font-size:17px}
  .brand-en{font-size:9px}
  .site-header .main-nav{position:fixed;top:60px;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;gap:0;padding:12px 16px;box-shadow:0 8px 24px rgba(0,0,0,.12);transform:translateY(-120%);transition:transform .3s;max-height:calc(100vh - 60px);overflow-y:auto}
  .site-header .main-nav.open{transform:translateY(0)}
  .site-header .main-nav a{padding:14px 16px;font-size:16px;border-bottom:1px solid var(--gray-100);border-radius:0}
  .site-header .main-nav a:last-child{border-bottom:none}
  .mobile-menu-btn{display:flex}
  .header-actions .lang-switch{display:flex;font-size:12px;gap:4px}
  .btn-quote{padding:7px 14px;font-size:13px}
  .hero{padding:50px 0 60px}
  .hero .container{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:30px}
  .hero p.lead{font-size:16px}
  .hero-stats{gap:24px}
  .hero-stat .number{font-size:28px}
  section{padding:48px 0}
  .section-header h2{font-size:26px}
  .section-header p{font-size:15px}
  .products-grid{grid-template-columns:1fr;gap:20px}
  .solutions-grid{grid-template-columns:1fr 1fr;gap:16px}
  .why-grid{grid-template-columns:1fr;gap:32px}
  .projects-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .about-story{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .container{padding:0 16px}
  .floating-card{display:none}
}
@media(max-width:480px){
  .solutions-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .btn-quote{padding:6px 12px;font-size:12px}
}

/* ===== LANDING PAGE STYLES ===== */
.landing-page{padding-top:0}
.landing-hero{background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#1a56db 100%);color:var(--white);padding:60px 0 50px;position:relative;overflow:hidden}
.landing-hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(245,158,11,.15) 0%,transparent 70%);border-radius:50%}
.landing-hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.landing-hero h1{font-size:38px;font-weight:800;line-height:1.2;margin-bottom:16px}
.landing-hero h1 .hl{color:var(--accent)}
.landing-hero .sub{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:24px;line-height:1.7}
.landing-hero .badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.landing-hero .badge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:50px;font-size:13px;font-weight:600;backdrop-filter:blur(8px)}
.landing-hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.landing-hero .cta-primary{background:linear-gradient(135deg,#f59e0b,#d97706);color:var(--dark);font-weight:700;padding:14px 28px;font-size:16px;border-radius:10px;border:none;cursor:pointer;transition:all .2s;box-shadow:0 4px 16px rgba(245,158,11,.4);text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.landing-hero .cta-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(245,158,11,.5);color:var(--dark)}
.landing-hero .cta-wa{background:#25D366;color:var(--white);font-weight:700;padding:14px 28px;font-size:16px;border-radius:10px;border:none;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.landing-hero .cta-wa:hover{background:#128C7E;color:var(--white)}
.landing-hero .cta-wechat{background:#07C160;color:var(--white);font-weight:700;padding:14px 28px;font-size:16px;border-radius:10px;border:none;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.landing-hero .cta-wechat:hover{background:#06ad56;color:var(--white)}
.landing-hero .trust-line{font-size:13px;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:8px}
.landing-form-card{background:var(--white);border-radius:16px;padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.3);color:var(--dark)}
.landing-form-card h3{font-size:20px;font-weight:800;margin-bottom:6px;color:var(--dark)}
.landing-form-card .form-sub{font-size:13px;color:var(--gray-500);margin-bottom:20px}
.landing-form-card .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.landing-form-card .form-group{margin-bottom:12px}
.landing-form-card label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:5px}
.landing-form-card input,.landing-form-card select,.landing-form-card textarea{width:100%;padding:10px 12px;border:1.5px solid var(--gray-200);border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .2s;box-sizing:border-box}
.landing-form-card input:focus,.landing-form-card select:focus,.landing-form-card textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,219,.1)}
.landing-form-card textarea{resize:vertical;min-height:70px}
.landing-form-card .submit-btn{width:100%;background:linear-gradient(135deg,#f59e0b,#d97706);color:var(--dark);font-weight:700;padding:14px;font-size:16px;border:none;border-radius:10px;cursor:pointer;transition:all .2s;margin-top:8px}
.landing-form-card .submit-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(245,158,11,.4)}
.landing-form-card .privacy-note{font-size:11px;color:var(--gray-400);text-align:center;margin-top:10px;line-height:1.5}
.landing-features{background:var(--white);padding:50px 0}
.landing-features .features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.landing-feature{text-align:center;padding:24px 16px;border-radius:12px;transition:all .2s}
.landing-feature:hover{background:var(--gray-50)}
.landing-feature .icon{font-size:36px;margin-bottom:12px}
.landing-feature h4{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:6px}
.landing-feature p{font-size:13px;color:var(--gray-600);line-height:1.5}
.landing-stats{background:var(--gray-50);padding:40px 0}
.landing-stats .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.landing-stats .stat .num{font-size:36px;font-weight:800;color:var(--primary);line-height:1}
.landing-stats .stat .lbl{font-size:13px;color:var(--gray-600);margin-top:6px}
.landing-contact-bar{background:linear-gradient(135deg,var(--dark),var(--primary-dark));color:var(--white);padding:32px 0}
.landing-contact-bar .container{display:flex;justify-content:center;align-items:center;gap:32px;flex-wrap:wrap}
.landing-contact-bar .contact-item{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.landing-contact-bar .contact-item .ic{font-size:22px}
.landing-contact-bar a{color:var(--white)}
.landing-contact-bar a:hover{color:var(--accent)}

@media(max-width:768px){
  .landing-hero{padding:40px 0 30px}
  .landing-hero .container{grid-template-columns:1fr;gap:28px}
  .landing-hero h1{font-size:26px}
  .landing-hero .sub{font-size:15px}
  .landing-hero .cta-row{flex-direction:column}
  .landing-hero .cta-row .cta-primary,.landing-hero .cta-row .cta-wa,.landing-hero .cta-row .cta-wechat{width:100%;text-align:center}
  .landing-form-card{padding:20px}
  .landing-form-card .form-row{grid-template-columns:1fr}
  .landing-features .features-grid{grid-template-columns:1fr 1fr;gap:16px}
  .landing-stats .stats-row{grid-template-columns:1fr 1fr;gap:20px}
  .landing-stats .stat .num{font-size:28px}
  .landing-contact-bar .container{gap:16px}
  .landing-contact-bar .contact-item{font-size:13px}
}

/* WhatsApp float - better icon */
.whatsapp-float{font-size:0 !important}
.whatsapp-float::before{content:"💬";font-size:24px;line-height:1}
@media(max-width:768px){
  .whatsapp-float{width:52px;height:52px;bottom:16px;right:16px}
  .whatsapp-float::before{font-size:22px}
  .header-actions .lang-switch .lang-divider{display:none}
  .header-actions .lang-switch .lang-current{font-weight:700;color:var(--primary)}
}