/* ========== Reset & Base ========== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1a56db;--primary-dark:#1e429f;--accent:#f59e0b;
  --text:#1f2937;--text-light:#6b7280;--bg:#fff;--bg-gray:#f9fafb;
  --border:#e5e7eb;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.1);
  --shadow-lg:0 10px 25px rgba(0,0,0,.1);
}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);line-height:1.6;background:var(--bg)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ========== Header ========== */
header{background:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:100}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{font-size:22px;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:8px}
.logo span{color:var(--text)}
nav ul{display:flex;list-style:none;gap:28px}
nav a{color:var(--text);font-weight:500;font-size:15px;text-decoration:none}
nav a:hover,nav a.active{color:var(--primary)}
.nav-right{display:flex;align-items:center;gap:16px}
.lang-select{padding:6px 10px;border:1px solid var(--border);border-radius:4px;font-size:13px;background:#fff;cursor:pointer}
.btn{display:inline-block;padding:10px 22px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:15px;font-weight:500;cursor:pointer;text-decoration:none;transition:background .2s}
.btn:hover{background:var(--primary-dark);text-decoration:none;color:#fff}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-accent{background:var(--accent)}
.btn-accent:hover{background:#d97706}
.mobile-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer}

/* ========== Hero ========== */
.hero{background:linear-gradient(135deg,#1e3a8a 0%,#1a56db 50%,#3b82f6 100%);color:#fff;padding:100px 0;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset: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='0.05'%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");}
.hero h1{font-size:44px;font-weight:700;margin-bottom:18px;position:relative}
.hero p{font-size:18px;opacity:.9;max-width:700px;margin:0 auto 32px;position:relative}
.hero-buttons{display:flex;gap:14px;justify-content:center;position:relative}
.hero-buttons .btn{padding:14px 32px;font-size:16px}

/* ========== Sections ========== */
section{padding:70px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:32px;font-weight:700;margin-bottom:12px}
.section-title p{color:var(--text-light);font-size:16px;max-width:600px;margin:0 auto}
.bg-gray{background:var(--bg-gray)}

/* ========== Features ========== */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}
.feature-card{background:#fff;padding:32px;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;transition:transform .2s,box-shadow .2s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-icon{width:60px;height:60px;background:linear-gradient(135deg,#dbeafe,#bfdbfe);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:28px}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{color:var(--text-light);font-size:14px}

/* ========== Products ========== */
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:24px}
.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.product-img{height:200px;background:linear-gradient(135deg,#f3f4f6,#e5e7eb);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover}
.product-img .placeholder{font-size:48px;opacity:.3}
.product-info{padding:18px}
.product-info h3{font-size:16px;margin-bottom:6px;font-weight:600}
.product-info .cat{font-size:12px;color:var(--primary);font-weight:500;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.product-info p{color:var(--text-light);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card .btn{width:100%;margin-top:14px;text-align:center;font-size:13px;padding:8px}

/* ========== About / Stats ========== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;text-align:center}
.stat-item .num{font-size:40px;font-weight:700;color:var(--primary)}
.stat-item .label{color:var(--text-light);font-size:14px;margin-top:4px}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-text h2{font-size:28px;margin-bottom:16px}
.about-text p{color:var(--text-light);margin-bottom:14px}
.about-img{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border-radius:var(--radius);height:350px;display:flex;align-items:center;justify-content:center;font-size:80px}

/* ========== Contact / Form ========== */
.contact-wrap{display:grid;grid-template-columns:1fr 1.5fr;gap:40px}
.contact-info h3{font-size:20px;margin-bottom:16px}
.contact-item{display:flex;gap:12px;margin-bottom:18px;align-items:flex-start}
.contact-item .icon{width:40px;height:40px;background:#dbeafe;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.contact-item h4{font-size:14px;margin-bottom:2px}
.contact-item p{color:var(--text-light);font-size:14px}
.form-card{background:#fff;padding:32px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--text)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;outline:none;transition:border .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,219,.1)}
.form-group textarea{min-height:120px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-message{padding:12px;border-radius:6px;font-size:14px;margin-top:14px;display:none}
.form-message.success{background:#f0f9eb;color:#67c23a;display:block}
.form-message.error{background:#fef0f0;color:#f56c6c;display:block}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;cursor:pointer;font-weight:600;font-size:15px;display:flex;justify-content:space-between;align-items:center;user-select:none}
.faq-q::after{content:'+';font-size:20px;color:var(--primary);transition:transform .2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;color:var(--text-light);font-size:14px}
.faq-item.open .faq-a{padding:0 22px 18px;max-height:500px}

/* ========== Footer ========== */
footer{background:#1f2937;color:#d1d5db;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col p,.footer-col li{font-size:14px;color:#9ca3af;margin-bottom:8px}
.footer-col ul{list-style:none}
.footer-col a{color:#9ca3af;text-decoration:none}
.footer-col a:hover{color:#fff}
.social-links{display:flex;gap:12px;margin-top:14px}
.social-links a{width:36px;height:36px;background:#374151;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;transition:background .2s}
.social-links a:hover{background:var(--primary);color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid #374151;padding:20px 0;text-align:center;font-size:13px;color:#6b7280}

/* ========== Responsive ========== */
@media(max-width:900px){
  .about-content,.contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:32px}
  .hero p{font-size:16px}
  nav ul{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;box-shadow:var(--shadow);gap:16px}
  nav ul.open{display:flex}
  .mobile-toggle{display:block}
}
@media(max-width:600px){
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:60px 0}
  .hero h1{font-size:26px}
  section{padding:50px 0}
}