:root{--primary-blue: #1E5F8C;--secondary-blue: #2E7FB8;--accent-blue: #4A9FD9;--green-accent: #2E8B57;--gray-light: #F8F9FA;--gray-medium: #E9ECEF;--gray-dark: #495057;--white: #FFFFFF}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Open Sans,sans-serif;line-height:1.6;color:var(--gray-dark);background:var(--white)}h1,h2,h3,h4,h5,h6{font-family:Montserrat,sans-serif;font-weight:600;color:var(--primary-blue);margin-bottom:1rem;line-height:1.2}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:1rem}.header{background:var(--white);box-shadow:0 2px 20px #0000001a;position:sticky;top:0;z-index:1000;transition:all .3s ease}.header-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:80px}.logo{display:flex;align-items:center;font-size:1.8rem;font-weight:700;color:var(--primary-blue);text-decoration:none;transition:transform .3s ease}.logo:hover{transform:scale(1.05)}.logo img{height:65px;margin-right:15px}.nav{display:flex;list-style:none;gap:2rem}.nav a{text-decoration:none;color:var(--gray-dark);font-weight:500;padding:.5rem 1rem;border-radius:25px;transition:all .3s ease;position:relative}.nav a:hover{color:var(--primary-blue);background:var(--gray-light);transform:translateY(-2px)}.nav a.active{color:var(--white);background:var(--primary-blue)}.lang-switch{display:flex;gap:.5rem;align-items:center}.lang-switch a{padding:.5rem 1rem;border:2px solid var(--gray-medium);border-radius:25px;text-decoration:none;background:var(--white);color:var(--gray-dark);font-size:.9rem;font-weight:600;transition:all .3s ease}.lang-switch a.active{background:var(--primary-blue);color:var(--white);border-color:var(--primary-blue)}.lang-switch a:not(.active):hover{background:#e74c3c;color:var(--white);border-color:#e74c3c;transform:translateY(-2px)}.hero{background:linear-gradient(135deg,var(--primary-blue) 0%,var(--secondary-blue) 50%,var(--accent-blue) 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100%);border-radius:15px;transition:transform .3s ease}.quality-item:hover{transform:translateY(-5px)}.quality-icon{font-size:2.5rem;margin-bottom:1rem;display:block}.quality-item h4{margin-bottom:.5rem}.quality-item p{font-size:.9rem;margin:0}.vision-section{padding:100px 0;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--secondary-blue) 100%);color:var(--white)}.vision-section h2,.vision-section h3{color:var(--white)}.vision-content{text-align:center;margin-bottom:4rem}.vision-content p{font-size:1.2rem;opacity:.95;max-width:800px;margin:0 auto 2rem}.vision-plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:3rem}.vision-plan{background:#ffffff1a;padding:2rem;border-radius:15px;text-align:center;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.plan-icon{font-size:2.5rem;margin-bottom:1rem;display:block}.vision-plan h4{color:var(--white);margin-bottom:.5rem}.vision-plan p{font-size:.9rem;margin:0}.solar-section{padding:100px 0;background:var(--white)}.solar-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:4rem}.solar-card{background:linear-gradient(135deg,var(--gray-light) 0%,#f0f2f5 100%);padding:3rem;border-radius:20px;box-shadow:0 8px 30px #00000014;position:relative;overflow:hidden}.solar-card:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,gold,orange)}.solar-card h3{color:var(--primary-blue);font-size:1.6rem;margin-bottom:2rem}.specs-list{list-style:none;padding:0}.specs-list li{border-bottom:1px solid rgba(0,0,0,.1);position:relative;padding:1rem 0 1rem 2rem}.specs-list li:last-child{border-bottom:none}.specs-list li:before{content:"⚡";position:absolute;left:0;color:gold;font-size:1.2rem}.impact-section{padding:100px 0;background:linear-gradient(135deg,#e8f8f5,#e3f2fd)}.impact-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2.5rem;margin-top:4rem}.stat-card{background:var(--white);padding:2.5rem;border-radius:20px;text-align:center;box-shadow:0 8px 30px #00000014;transition:transform .3s ease;position:relative;overflow:hidden}.stat-card:hover{transform:translateY(-10px)}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#27ae60,#2ecc71)}.stat-number{font-size:2.5rem;font-weight:700;color:#27ae60;margin-bottom:.5rem}.stat-label{font-size:1.1rem;color:var(--primary-blue);font-weight:600}.contact-methods{padding:100px 0;background:var(--white)}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:3rem;margin-top:4rem}.contact-card{background:var(--white);padding:3rem;border-radius:20px;box-shadow:0 10px 40px #0000001a;transition:transform .3s ease;border-left:5px solid var(--accent-blue)}.contact-card:hover{transform:translateY(-10px)}.contact-card h3{color:var(--primary-blue);font-size:1.6rem;margin-bottom:2rem}.contact-info{list-style:none;padding:0}.contact-info li{padding:1rem 0;border-bottom:1px solid var(--gray-light)}.contact-info li:last-child{border-bottom:none}.faq-section{padding:100px 0;background:linear-gradient(135deg,var(--gray-light) 0%,#f0f2f5 100%)}.faq-grid{display:grid;gap:2rem;margin-top:4rem;max-width:800px;margin-left:auto;margin-right:auto}.faq-item{background:var(--white);padding:2rem;border-radius:15px;box-shadow:0 5px 20px #00000014}.faq-item h4{color:var(--primary-blue);margin-bottom:1rem}.faq-item p{margin:0;line-height:1.7}.footer{background:var(--gray-dark);color:var(--white);padding:80px 0 30px}.footer-content{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:3rem}.footer h3{color:var(--white);margin-bottom:1.5rem;font-size:1.3rem}.footer a{color:var(--gray-medium);text-decoration:none;transition:all .3s ease;display:block;margin-bottom:.8rem;line-height:1.5;font-size:.95rem}.footer a:hover{color:var(--accent-blue);transform:translate(5px)}.footer p{color:var(--gray-medium);margin-bottom:.8rem;line-height:1.7;font-size:.95rem}.footer-bottom{border-top:1px solid #666;padding-top:2rem;text-align:center;color:var(--gray-medium)}@media(max-width:1200px){.footer-content{gap:1.5rem;padding-left:1rem;padding-right:1rem}.footer h3{font-size:1.1rem;margin-bottom:1rem}.footer a,.footer p{font-size:.85rem;margin-bottom:.6rem}}@media(max-width:768px){.footer-content{grid-template-columns:repeat(2,1fr);gap:2rem;padding-left:1.5rem;padding-right:1.5rem}.footer h3{font-size:1.2rem}.footer a,.footer p{font-size:.9rem}}@media(max-width:480px){.footer-content{grid-template-columns:1fr;padding-left:2rem;padding-right:2rem}}.philosophy-section,.map-section{padding:100px 0;background:var(--white)}.map-container{max-width:1000px;margin:0 auto;box-shadow:0 8px 30px #0000001a;border-radius:15px;overflow:hidden}.map-container iframe{width:100%;height:400px;display:block}@media(max-width:1024px){.usp-grid,.philosophy-grid,.team-grid,.quality-grid,.vision-plans,.impact-stats,.green-stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.services-grid,.process-steps,.equipment-categories,.contact-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.usp-grid,.philosophy-grid,.team-grid,.quality-grid,.vision-plans,.impact-stats,.green-stats,.services-grid,.process-steps,.equipment-categories,.contact-grid{grid-template-columns:1fr}}