*{margin:0;padding:0;box-sizing:border-box;font-family:'Poppins',sans-serif}
body{background:#f5f7fb;color:#111827;overflow-x:hidden}
.container{width:92%;max-width:1400px;margin:auto}
a{text-decoration:none}
header{position:fixed;top:0;width:100%;background:white;border-bottom:1px solid #e5e7eb;z-index:1000}
nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{font-size:2rem;font-weight:800;color:#2563eb;display:flex;align-items:center;gap:12px}
.logo img{width:42px;height:42px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:#374151;font-weight:500}.nav-links a:hover,.nav-links a.active{color:#2563eb}
.btn{display:inline-block;background:#16a34a;color:white!important;padding:14px 28px;border-radius:10px;font-weight:600;transition:.3s;border:none;cursor:pointer}
.btn:hover{background:#15803d}
.hero,.page-hero{padding:160px 0 100px;background:white}
.hero-content,.page-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero-text h1,.page-hero h1{font-size:4.5rem;line-height:1.05;font-weight:800;margin-bottom:25px;color:#111827}
.hero-text p,.page-hero p{font-size:1.2rem;line-height:1.9;color:#4b5563;margin-bottom:35px}
.search-bar{background:white;padding:15px;border-radius:16px;display:flex;gap:15px;box-shadow:0 10px 40px rgba(0,0,0,.08);border:1px solid #e5e7eb}
.search-bar input,.search-bar select{flex:1;padding:16px;border:1px solid #d1d5db;border-radius:10px;font-size:1rem}
.hero-image img,.page-image img{width:100%;border-radius:24px;object-fit:cover;height:650px;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.stats{padding:50px 0;background:#eff6ff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.stat-card{background:white;padding:35px;border-radius:18px;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.05)}
.stat-card h2{font-size:2.5rem;color:#2563eb;margin-bottom:10px}
section{padding:110px 0}.section-title{text-align:center;margin-bottom:70px}
.section-title h2{font-size:3rem;margin-bottom:20px}.section-title p{max-width:800px;margin:auto;line-height:1.8;color:#6b7280}
.services-grid,.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}
.service-card{background:white;border-radius:20px;overflow:hidden;box-shadow:0 12px 35px rgba(0,0,0,.06);transition:.3s}
.service-card:hover{transform:translateY(-8px)}.service-card img{width:100%;height:240px;object-fit:cover}
.service-content{padding:30px}.service-content h3{font-size:1.5rem;margin-bottom:15px}.service-content p{line-height:1.8;color:#6b7280}
.marketplace{background:#111827;color:white}.market-grid,.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.market-grid img{width:100%;border-radius:24px;height:500px;object-fit:cover}
.bid-panel,.form-panel{background:white;padding:45px;border-radius:24px;color:#111827;box-shadow:0 12px 35px rgba(0,0,0,.06)}
.bid-panel h3,.form-panel h3{font-size:2rem;margin-bottom:20px}
.bid-panel input,.bid-panel textarea,.bid-panel select,.form-panel input,.form-panel textarea,.form-panel select{width:100%;padding:18px;margin-bottom:18px;border-radius:12px;border:1px solid #d1d5db;font-size:1rem}
.platform-highlights{padding:90px 0;background:white}.highlight-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px}
.highlight-card{background:#fff;padding:35px;border-radius:22px;box-shadow:0 12px 35px rgba(0,0,0,.06);border:1px solid #eef2f7;transition:.3s}
.highlight-card:hover{transform:translateY(-6px)}.highlight-card h3{font-size:1.4rem;margin-bottom:15px;color:#111827}.highlight-card p{line-height:1.8;color:#6b7280}
.about{padding:110px 0;background:#f8fafc}.about-content h2{font-size:3rem;margin-bottom:25px}.about-content p{line-height:1.9;color:#4b5563;margin-bottom:20px}
.features{display:grid;gap:18px;margin-top:30px}.feature-item{display:flex;gap:15px;background:white;padding:22px;border-radius:18px;box-shadow:0 10px 25px rgba(0,0,0,.05)}
.about-card{background:#111827;padding:45px;border-radius:24px;color:white}.about-card blockquote{font-size:1.5rem;line-height:1.8;margin-bottom:25px}.quote-author{color:#93c5fd;font-weight:600}
.testimonial{background:white;padding:35px;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,.06)}.testimonial p{line-height:1.9;color:#4b5563;margin-bottom:20px}
.cta{padding:120px 0;background:#f9fafb;text-align:center}.cta h2{font-size:3rem;margin-bottom:20px;color:#111827}.cta p{max-width:800px;margin:0 auto 40px;line-height:1.9;color:#6b7280;font-size:1.1rem}
footer{background:#111827;color:#d1d5db;padding:50px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;text-align:left}.footer-grid h2,.footer-grid h3{color:white;margin-bottom:18px}.footer-grid a,.footer-grid p{display:block;margin-bottom:12px;color:#9ca3af}.footer-bottom{margin-top:50px;border-top:1px solid rgba(255,255,255,.08);padding-top:25px;text-align:center;color:#9ca3af}
.notice{padding:15px 18px;border-radius:10px;margin-bottom:20px}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px}.faq details{background:white;padding:24px;border-radius:16px;margin-bottom:18px;box-shadow:0 10px 30px rgba(0,0,0,.05)}.faq summary{font-weight:700;cursor:pointer}.faq p{margin-top:15px;color:#6b7280;line-height:1.8}
.menu-btn{display:none;background:none;border:0;font-size:28px}
@media(max-width:980px){.hero-content,.page-grid,.market-grid,.about-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.hero-text h1,.page-hero h1{font-size:3rem}.nav-links{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:25px;flex-direction:column;border-top:1px solid #e5e7eb}.nav-links.open{display:flex}.menu-btn{display:block}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.stats-grid,.footer-grid,.two-col{grid-template-columns:1fr}.hero-text h1,.page-hero h1,.section-title h2{font-size:2.2rem}.search-bar{flex-direction:column}.hero-image img,.page-image img{height:420px}.bid-panel,.form-panel{padding:25px}}


/* Navigation, contact and WhatsApp upgrades */
.whatsapp-nav{color:#16a34a!important;font-weight:600!important}
.contact-options{display:grid;gap:14px;margin-top:28px;max-width:560px}
.contact-option{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px;padding:18px 20px;color:#111827}
.contact-option:hover{border-color:#2563eb;transform:translateY(-2px)}
.contact-option span{color:#4b5563;text-align:right}
.whatsapp-option{background:#f0fdf4;border-color:#bbf7d0}
.quick-contact{font-size:1rem!important;margin-top:-15px!important}
.quick-contact a{color:#16a34a;font-weight:700}
.success-panel p,.notice.error p{margin:8px 0 0;line-height:1.6}
.notice-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.secondary-btn{display:inline-block;padding:13px 21px;border:1px solid #2563eb;border-radius:10px;color:#2563eb;font-weight:600;background:#fff}
.secondary-btn:hover{background:#eff6ff}

.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:1100;display:flex;align-items:center;gap:9px;background:#16a34a;color:#fff;padding:13px 17px;border-radius:999px;box-shadow:0 12px 35px rgba(22,163,74,.35);font-weight:700;transition:.25s}
.whatsapp-float:hover{background:#15803d;transform:translateY(-3px)}
.whatsapp-icon{display:inline-flex;width:28px;height:28px;border-radius:50%;align-items:center;justify-content:center;background:#fff;color:#16a34a;font-size:16px}
.back-to-top{position:fixed;right:28px;bottom:88px;z-index:1090;width:44px;height:44px;border:0;border-radius:50%;background:#2563eb;color:#fff;font-size:22px;cursor:pointer;box-shadow:0 10px 28px rgba(37,99,235,.3);opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}

@media(max-width:980px){
.nav-links{max-height:calc(100vh - 78px);overflow:auto}
.whatsapp-nav{padding:8px 0}
}
@media(max-width:600px){
.whatsapp-float{right:14px;bottom:14px;padding:12px}
.whatsapp-label{display:none}
.back-to-top{right:18px;bottom:76px}
.contact-option{align-items:flex-start;flex-direction:column;gap:4px}
.contact-option span{text-align:left}
.notice-actions{flex-direction:column}
.notice-actions .btn,.notice-actions .secondary-btn{text-align:center;width:100%}
}