*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:#1a1a1a;line-height:1.7;overflow-x:hidden;font-weight:400}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
img{max-width:100%;height:auto;display:block}

/* Header - Premium */
.header{position:fixed;top:0;left:0;width:100%;background:rgba(255,255,255,0.98);backdrop-filter:blur(12px);box-shadow:0 4px 24px rgba(0,0,0,0.06);z-index:1000;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);border-bottom:1px solid rgba(27,67,50,0.05)}
.header.scrolled{box-shadow:0 8px 32px rgba(0,0,0,0.12);background:rgba(255,255,255,0.95)}
.nav{display:flex;justify-content:space-between;align-items:center;padding:20px 0;position:relative}
.logo{font-size:28px;font-weight:800;background:linear-gradient(135deg,#1b4332,#52b788);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;letter-spacing:-0.5px;transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}
.logo:hover{transform:scale(1.02)}
.nav-menu{display:flex;list-style:none;gap:4px;align-items:center}
.nav-menu>li>a{color:#334155;text-decoration:none;font-weight:600;font-size:15px;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative;padding:12px 18px;border-radius:10px;display:flex;align-items:center}
.nav-menu>li>a:hover{color:#1b4332;background:rgba(27,67,50,0.08)}
.nav-menu>li>a::before{content:'';position:absolute;inset:0;border-radius:10px;background:linear-gradient(135deg,rgba(27,67,50,0.05),rgba(82,183,136,0.05));opacity:0;transition:opacity 0.3s cubic-bezier(0.4,0,0.2,1);z-index:-1}
.nav-menu>li>a:hover::before{opacity:1}
.nav-menu>li>a::after{content:'';position:absolute;bottom:8px;left:18px;width:0;height:2px;background:linear-gradient(90deg,#1b4332,#52b788);transition:width 0.3s cubic-bezier(0.4,0,0.2,1)}
.nav-menu>li>a:hover::after{width:calc(100% - 36px)}
.dropdown{position:relative}
.dropdown>a::after{content:'\F078';font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;margin-left:8px;transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);display:inline-flex}
.dropdown:hover>a::after{transform:rotate(180deg)}
.dropdown-menu{position:absolute;top:calc(100% + 14px);left:-12px;background:#fff;box-shadow:0 24px 72px rgba(0,0,0,0.18);border-radius:16px;padding:10px;min-width:280px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all 0.3s cubic-bezier(0.4,0,0.2,1);list-style:none;border:1px solid rgba(27,67,50,0.08)}
.dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li{margin:0}
.dropdown-menu a{display:flex;align-items:center;padding:14px 18px;color:#475569;border-radius:10px;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);font-size:14px;font-weight:500;text-decoration:none;position:relative}
.dropdown-menu a::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#1b4332,#52b788);border-radius:10px 0 0 10px;transform:scaleY(0);transition:transform 0.25s cubic-bezier(0.4,0,0.2,1);transform-origin:center}
.dropdown-menu a:hover{background:rgba(27,67,50,0.06);color:#1b4332;transform:translateX(4px);padding-left:22px}
.dropdown-menu a:hover::before{transform:scaleY(1)}
.btn-header{background:linear-gradient(135deg,#1b4332,#2d6a4f);color:#fff;padding:12px 28px;border-radius:24px;text-decoration:none;font-weight:700;font-size:14px;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);box-shadow:0 4px 12px rgba(27,67,50,0.2);letter-spacing:0.3px;border:none;cursor:pointer;position:relative;overflow:hidden}
.btn-header::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,#52b788,#1b4332);opacity:0;transition:opacity 0.3s cubic-bezier(0.4,0,0.2,1)}
.btn-header:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(27,67,50,0.35)}
.btn-header:hover::before{opacity:0.5}
.btn-header:active{transform:translateY(0)}
.nav-toggle{display:none;background:rgba(27,67,50,0.1);border:2px solid rgba(27,67,50,0.15);font-size:24px;cursor:pointer;width:44px;height:44px;border-radius:12px;color:#1b4332;transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}
.nav-toggle:hover{background:rgba(27,67,50,0.15);border-color:rgba(27,67,50,0.25);transform:scale(1.05)}
.nav-menu.active{display:flex}

/* Slider - Premium */
.slider{position:relative;height:100vh;margin-top:0;overflow:hidden;padding-top:80px}
.slide{position:absolute;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;transition:opacity 1s}
.slide.active{opacity:1}
.slide-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(27,67,50,.85),rgba(82,183,136,.75))}
.slide-content{position:relative;z-index:10;padding-top:25vh;color:#fff;text-align:center}
.slide-content h1{font-size:56px;margin-bottom:20px;font-weight:700;text-shadow:2px 2px 10px rgba(0,0,0,.3)}
.slide-content p{font-size:20px;margin-bottom:30px;max-width:700px;margin-left:auto;margin-right:auto}
.btn-slide{display:inline-block;background:#fff;color:#1b4332;padding:16px 40px;border-radius:30px;text-decoration:none;font-weight:700;transition:all .3s}
.btn-slide:hover{transform:translateY(-3px);box-shadow:0 15px 30px rgba(0,0,0,.2)}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.2);color:#fff;border:2px solid #fff;width:50px;height:50px;border-radius:50%;cursor:pointer;font-size:20px;transition:all .3s;z-index:20}
.slider-btn:hover{background:rgba(255,255,255,.4)}
.slider-btn.prev{left:20px}
.slider-btn.next{right:20px}
.slider-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:20}
.dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:all .3s}
.dot.active,.dot:hover{background:#fff;width:30px;border-radius:6px}

/* Sections */
section{padding:80px 0}
.section-header{text-align:center;margin-bottom:60px}
.subtitle{display:inline-block;background:#1b4332;color:#fff;padding:8px 20px;border-radius:20px;font-size:14px;font-weight:600;margin-bottom:15px}
.section-header h2{font-size:42px;font-weight:700;margin-bottom:15px}
.section-header p{font-size:18px;color:#666;max-width:600px;margin:0 auto}

/* Services - PREMIUM */
.services{background:linear-gradient(180deg,#f8fafc 0%,#f1f5f9 100%);position:relative;overflow:hidden}
.services::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 50%,rgba(59,130,246,0.03),transparent 50%);pointer-events:none}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.service-card{background:#fff;padding:48px 36px;border-radius:24px;text-align:center;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);box-shadow:0 8px 24px rgba(0,0,0,0.06);border:2px solid transparent;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,#1b4332,#52b788,#74c69d);transform:scaleX(0);transition:transform 0.4s;transform-origin:left}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover{transform:translateY(-12px) scale(1.02);box-shadow:0 24px 60px rgba(27,67,50,0.2);border-color:rgba(82,183,136,0.2)}
.service-icon{width:88px;height:88px;background:linear-gradient(135deg,#1b4332,#2d6a4f,#52b788);color:#fff;border-radius:22px;display:flex;align-items:center;justify-content:center;font-size:38px;margin:0 auto 24px;box-shadow:0 12px 28px rgba(27,67,50,0.25);transition:all 0.4s}
.service-card:hover .service-icon{transform:rotateY(360deg) scale(1.1);box-shadow:0 16px 40px rgba(27,67,50,0.4)}
.service-card h3{font-size:24px;margin-bottom:16px;font-weight:800;color:#0f172a;letter-spacing:-0.3px}
.service-card p{color:#64748b;margin-bottom:24px;line-height:1.8;font-size:15px}
.service-link{color:#1b4332;text-decoration:none;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:all 0.3s;font-size:15px}
.service-link:hover{gap:14px;color:#2d6a4f}

/* About - PREMIUM */
.about-home{background:#fff;position:relative;overflow:hidden}
.about-home::before{content:'';position:absolute;top:20%;right:0;width:40%;height:60%;background:radial-gradient(circle,rgba(59,130,246,0.05),transparent 70%);pointer-events:none}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.about-img{border-radius:24px;overflow:hidden;box-shadow:0 24px 72px rgba(0,0,0,0.12);position:relative}
.about-img::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(27,67,50,0.1),transparent);z-index:1}
.about-img img{width:100%;transition:transform 0.6s cubic-bezier(0.4,0,0.2,1)}
.about-img:hover img{transform:scale(1.08)}
.about-content h2{font-size:40px;margin-bottom:24px;font-weight:800;color:#0f172a;letter-spacing:-0.5px;line-height:1.2}
.about-content p{color:#475569;margin-bottom:32px;line-height:1.9;font-size:16px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:36px 0}
.stat-item{text-align:center;padding:24px;background:linear-gradient(135deg,#f8fafc,#fff);border-radius:16px;transition:all 0.3s;border:2px solid transparent}
.stat-item:hover{border-color:rgba(59,130,246,0.2);transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,0.08)}
.stat-num{font-size:54px;font-weight:900;background:linear-gradient(135deg,#1b4332,#52b788);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-1px}
.stat-label{color:#64748b;margin-top:10px;font-weight:600;font-size:15px}

/* Projects - PREMIUM */
.projects-home{background:linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);position:relative}
.projects-home::before{content:'';position:absolute;bottom:0;left:0;width:100%;height:50%;background:linear-gradient(180deg,transparent,rgba(27,67,50,0.02));pointer-events:none}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.project-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,0.08);transition:all 0.4s cubic-bezier(0.4,0,0.2,1);border:2px solid transparent;position:relative}
.project-card::after{content:'';position:absolute;inset:0;border-radius:20px;padding:2px;background:linear-gradient(135deg,#52b788,#1b4332);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity 0.4s}
.project-card:hover::after{opacity:1}
.project-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 20px 48px rgba(27,67,50,0.18)}
.project-img{position:relative;height:280px;overflow:hidden}
.project-img::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,0.4) 100%);z-index:1;opacity:0;transition:opacity 0.4s}
.project-card:hover .project-img::before{opacity:1}
.project-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s cubic-bezier(0.4,0,0.2,1)}
.project-card:hover .project-img img{transform:scale(1.15)}
.project-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(27,67,50,0.95),rgba(82,183,136,0.9));display:flex;align-items:center;justify-content:center;opacity:0;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);z-index:2}
.project-card:hover .project-overlay{opacity:1}
.project-link{width:68px;height:68px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#1b4332;font-size:26px;text-decoration:none;transition:all 0.3s;box-shadow:0 8px 20px rgba(0,0,0,0.2)}
.project-link:hover{transform:scale(1.15) rotate(90deg);box-shadow:0 12px 32px rgba(0,0,0,0.3)}
.project-info{padding:28px;background:linear-gradient(180deg,#fff,#fafbfc)}
.project-info h3{font-size:21px;margin-bottom:10px;font-weight:800;color:#0f172a;letter-spacing:-0.3px}
.project-cat{color:#64748b;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}

/* References */
.references{background:#fff;padding:60px 0}
.ref-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;align-items:center}
.ref-item{display:flex;align-items:center;justify-content:center;padding:20px;background:#fff;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,.05);transition:all .3s;min-height:120px}
.ref-item:hover{box-shadow:0 10px 25px rgba(0,0,0,.1);transform:translateY(-5px)}
.ref-item img{max-height:80px;filter:grayscale(100%);opacity:.7;transition:all .3s}
.ref-item:hover img{filter:grayscale(0%);opacity:1}
.ref-name{font-weight:600;color:#666;text-align:center}

/* Contact Home */
.contact-home{background:#f8fafc}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px}
.contact-info h2{font-size:36px;margin-bottom:20px}
.contact-info p{color:#666;margin-bottom:30px}
.contact-items{display:flex;flex-direction:column;gap:25px}
.contact-item{display:flex;gap:20px;align-items:flex-start}
.contact-item i{width:50px;height:50px;background:linear-gradient(135deg,#1b4332,#52b788);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-item strong{display:block;margin-bottom:5px}
.contact-item p{margin:0;color:#666}
.contact-form-wrap{background:#fff;padding:40px;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
.contact-form input,.contact-form textarea{width:100%;padding:15px;border:2px solid #e5e7eb;border-radius:10px;margin-bottom:20px;font-size:15px;transition:border .3s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:#1b4332}
.contact-form textarea{resize:vertical;min-height:120px}

/* Buttons - Premium */
.btn-primary{display:inline-block;background:linear-gradient(135deg,#1b4332,#52b788);color:#fff;padding:14px 35px;border-radius:30px;text-decoration:none;font-weight:700;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);border:none;cursor:pointer;box-shadow:0 4px 12px rgba(27,67,50,0.25);font-size:15px;letter-spacing:0.3px}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(27,67,50,0.35);background:linear-gradient(135deg,#2d6a4f,#52b788)}
.btn-primary:active{transform:translateY(-1px)}
.btn-header{background:linear-gradient(135deg,#1b4332,#2d6a4f);color:#fff;padding:14px 32px;border-radius:30px;text-decoration:none;font-weight:700;font-size:15px;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);box-shadow:0 4px 16px rgba(27,67,50,0.25);letter-spacing:0.3px;border:none;cursor:pointer;display:inline-block}
.btn-header:hover{background:linear-gradient(135deg,#1b4332,#2d6a4f);transform:translateY(-3px);box-shadow:0 12px 32px rgba(27,67,50,0.35)}
.btn-header:active{transform:translateY(-1px)}
.btn-slide{display:inline-block;background:#fff;color:#1b4332;padding:16px 40px;border-radius:30px;text-decoration:none;font-weight:700;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);border:none;cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,0.15)}
.btn-slide:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,0.25)}
.btn-slide:active{transform:translateY(-1px)}
.btn-block{width:100%;text-align:center}
.service-link{color:#1b4332;text-decoration:none;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);font-size:15px}
.service-link:hover{gap:14px;color:#2d6a4f}
.service-link:active{gap:8px}

/* Footer */
.footer{background:#1e293b;color:#fff;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-bottom:40px}
.footer h3,.footer h4{margin-bottom:20px}
.footer p{color:#94a3b8;line-height:1.8}
.social{display:flex;gap:15px;margin-top:20px}
.social a{width:40px;height:40px;background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:all .3s}
.social a:hover{background:#1b4332}
.footer ul{list-style:none}
.footer ul li{margin-bottom:12px}
.footer ul li a{color:#94a3b8;text-decoration:none;transition:color .3s}
.footer ul li a:hover{color:#fff}
.footer ul li i{margin-right:10px;color:#1b4332}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;color:#94a3b8}

/* Responsive */
@media(max-width:992px){
.nav-menu{position:fixed;top:0;right:-100%;width:340px;height:100vh;background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);flex-direction:column;padding:100px 0 40px 0;gap:0;box-shadow:-10px 0 40px rgba(0,0,0,0.15);transition:right 0.4s cubic-bezier(0.4,0,0.2,1);z-index:999;align-items:flex-start;overflow-y:auto}
.nav-menu.active{right:0}
.nav-menu>li{width:100%;margin:0;border:none}
.nav-menu>li>a{display:flex;align-items:center;padding:18px 24px;width:100%;font-size:15px;font-weight:600;color:#334155;background:none !important;border-radius:0;position:relative;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);border-left:4px solid transparent}
.nav-menu>li>a::before{display:none}
.nav-menu>li>a::after{display:none}
.nav-menu>li>a:hover{background:rgba(27,67,50,0.06);color:#1b4332;border-left-color:#52b788;padding-left:28px}
.nav-menu>li:not(.dropdown)>a:hover{background:linear-gradient(90deg,rgba(27,67,50,0.08),transparent)}
.dropdown>a{justify-content:space-between}
.dropdown>a::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#1b4332,#52b788);opacity:0;transition:opacity 0.3s cubic-bezier(0.4,0,0.2,1)}
.dropdown:hover>a::before{opacity:1}
.dropdown>a::after{content:'\F078';font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);transform:rotate(0deg);margin:0}
.dropdown-active>a::after{transform:rotate(180deg)}
.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0;margin:0;background:rgba(27,67,50,0.04);max-height:0;overflow:hidden;transition:max-height 0.3s cubic-bezier(0.4,0,0.2,1);border:none}
.dropdown-active .dropdown-menu{max-height:500px}
.dropdown-menu li{display:block;width:100%}
.dropdown-menu a{display:flex;align-items:center;padding:14px 24px 14px 52px;color:#475569;border-radius:0;font-size:14px;font-weight:500;text-decoration:none;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);position:relative}
.dropdown-menu a::before{display:none}
.dropdown-menu a::after{content:'';position:absolute;left:24px;top:50%;transform:translateY(-50%);width:4px;height:4px;background:#1b4332;border-radius:50%;opacity:0;transition:all 0.25s cubic-bezier(0.4,0,0.2,1)}
.dropdown-menu a:hover{background:rgba(27,67,50,0.08);color:#1b4332;padding-left:56px}
.dropdown-menu a:hover::after{opacity:1;left:28px}
.nav-toggle{display:flex;align-items:center;justify-content:center}
.btn-header{display:none}
.services-grid,.projects-grid{grid-template-columns:repeat(2,1fr)}
.about-grid,.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.slide-content h1{font-size:40px}
}

@media(max-width:768px){
.services-grid,.projects-grid,.stats{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.slide-content h1{font-size:32px}
.slide-content p{font-size:16px}
.section-header h2{font-size:32px}
}