:root{--blue:#1167d8;--blue-dark:#084a9c;--light:#eef6ff;--text:#142033;--muted:#5d6b7e;--border:#d8e5f3;--white:#fff;--shadow:0 14px 40px rgba(20,72,130,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.6}.container{width:min(1120px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-wrap{min-height:74px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:1.55rem;font-weight:900;text-decoration:none;color:var(--text);letter-spacing:-.04em}.logo span{color:var(--blue)}.logo small{font-size:.75rem;color:var(--muted);margin-left:2px}.site-header nav{display:flex;gap:24px;align-items:center}.site-header nav a{color:var(--text);text-decoration:none;font-weight:700}.site-header nav a:hover{color:var(--blue)}.admin-link{border:1px solid var(--blue);padding:9px 14px;border-radius:10px}.menu-button{display:none;border:0;background:none;font-size:1.5rem}.hero{padding:96px 0 76px;background:linear-gradient(135deg,#fff 40%,var(--light))}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:52px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:var(--blue);font-weight:900;margin:0 0 10px}.hero h1,.admin-main h1{font-size:clamp(2.4rem,6vw,4.8rem);line-height:1.04;letter-spacing:-.055em;margin:0 0 24px}.lead{font-size:1.18rem;color:var(--muted);max-width:680px}.hero-actions,.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:12px 18px;font-weight:800;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:.95rem}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue-dark)}.secondary{background:#fff;color:var(--blue);border-color:var(--border)}.hero-card,.info-card,.contact-form,.login-panel,.admin-form,.security-warning{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.hero-card{padding:34px}.icon-circle{width:68px;height:68px;border-radius:18px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:1.2rem}.section{padding:82px 0}.section.alt{background:var(--light)}.section h2{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.04em;margin:0 0 26px}.card-grid{display:grid;gap:22px}.card-grid.three{grid-template-columns:repeat(3,1fr)}.info-card{padding:28px}.info-card h3{margin-top:0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}.section-heading p{max-width:460px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.product-card img{width:100%;height:210px;object-fit:cover;background:#dcecff}.product-card-content{padding:22px}.product-card h3{margin:0 0 6px}.price{font-size:1.2rem;font-weight:900;color:var(--blue)}.specs{white-space:pre-line;color:var(--muted)}.empty-state{display:none;padding:22px;border:1px dashed var(--border);border-radius:12px;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}.contact-form,.admin-form{padding:28px}.contact-form label,.admin-form label{display:grid;gap:7px;font-weight:800;margin-bottom:16px}input,textarea,select{width:100%;font:inherit;border:1px solid #c8d8e8;border-radius:10px;padding:12px;background:#fff}input:focus,textarea:focus,select:focus{outline:3px solid rgba(17,103,216,.15);border-color:var(--blue)}.form-status{font-weight:700;color:var(--blue)}footer{padding:26px 0;border-top:1px solid var(--border)}.footer-wrap{display:flex;justify-content:space-between}.footer-wrap a{color:var(--blue)}.admin-body{background:var(--light)}.admin-main{padding:54px 0 90px}.login-panel{max-width:520px;margin:30px auto;padding:34px}.login-panel h1{font-size:3rem}.compact{box-shadow:none;border:0;padding:0}.demo-note,.security-warning{padding:18px;margin-top:22px;background:#fff8dd;border-color:#f0d98a}.hidden{display:none!important}.dashboard-top{display:flex;align-items:center;justify-content:space-between}.dashboard-top h1{font-size:3.5rem}.admin-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 28px}.tab{border:1px solid var(--border);background:#fff;padding:11px 16px;border-radius:10px;font-weight:800;cursor:pointer}.tab.active{background:var(--blue);color:#fff}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.admin-form h2{margin-top:0}.admin-form.narrow{max-width:620px}.admin-list,.message-list{display:grid;gap:14px}.admin-item,.message-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px}.admin-item-top{display:flex;justify-content:space-between;gap:15px}.admin-item-actions{display:flex;gap:8px;margin-top:13px}.small-button{border:1px solid var(--border);background:#fff;border-radius:8px;padding:7px 10px;cursor:pointer;font-weight:700}.danger{color:#a92020}.message-meta{color:var(--muted);font-size:.9rem}.message-card p{white-space:pre-line}
@media(max-width:850px){.hero-grid,.contact-grid,.admin-grid{grid-template-columns:1fr}.card-grid.three,.product-grid{grid-template-columns:1fr 1fr}.site-header nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;border-bottom:1px solid var(--border)}.site-header nav.open{display:flex}.menu-button{display:block}.section-heading{align-items:start;flex-direction:column}}
@media(max-width:560px){.card-grid.three,.product-grid{grid-template-columns:1fr}.hero{padding-top:62px}.section{padding:60px 0}.footer-wrap,.dashboard-top{align-items:flex-start;flex-direction:column;gap:12px}}