@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg: #f8fafc;
    --white: #ffffff;
    --surface: #f1f5f9;
    --card: #ffffff;
    --border: #e2e8f0;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --accent: #7c3aed;
    --text: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --green: #22c55e;
    --red: #ef4444;
    --orange: #f59e0b;
    --radius: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.1);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { height:100%; }
body { font-family:'Inter',system-ui,sans-serif; background:var(--bg); color:var(--text); line-height:1.6; min-height:100%; display:flex; flex-direction:column; }
body > .footer { margin-top:auto; }
a { color:var(--primary); text-decoration:none; }
a:hover { color:var(--primary-dark); }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* HEADER */
.header { background:var(--white); border-bottom:1px solid var(--border); position:sticky; top:0; z-index:100; }
.header .container { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { font-size:26px; font-weight:800; color:var(--text); letter-spacing:-0.5px; }
.logo span { color:var(--primary); }

.nav { display:flex; gap:4px; align-items:center; }
.nav a { color:var(--text-secondary); padding:8px 16px; border-radius:10px; font-size:14px; font-weight:500; transition:all 0.2s; }
.nav a:hover,.nav a.active { background:var(--primary-light); color:var(--primary); }

.header-actions { display:flex; gap:8px; align-items:center; }

.btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; padding:10px 22px; border-radius:10px; font-size:14px; font-weight:600; border:none; cursor:pointer; transition:all 0.2s; font-family:inherit; }
.btn-primary { background:var(--primary); color:white; }
.btn-primary:hover { background:var(--primary-dark); color:white; }
.btn-outline { background:transparent; border:1.5px solid var(--border); color:var(--text); }
.btn-outline:hover { border-color:var(--primary); color:var(--primary); }
.btn-ghost { background:transparent; color:var(--text-secondary); }
.btn-ghost:hover { background:var(--surface); }
.btn-sm { padding:6px 14px; font-size:13px; }
.btn-lg { padding:14px 32px; font-size:16px; border-radius:14px; }

/* USER MENU */
.user-menu { position:relative; }
.user-btn { display:flex; align-items:center; gap:8px; padding:6px 12px; border-radius:10px; cursor:pointer; background:var(--surface); border:none; font-family:inherit; font-size:14px; font-weight:500; color:var(--text); }
.user-btn:hover { background:var(--border); }
.user-avatar { width:32px; height:32px; border-radius:50%; background:var(--primary); color:white; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; }
.user-dropdown { position:absolute; top:calc(100% + 8px); right:0; background:var(--white); border:1px solid var(--border); border-radius:12px; box-shadow:var(--shadow-lg); min-width:200px; display:none; overflow:hidden; z-index:200; }
.user-dropdown.show { display:block; }
.user-dropdown a { display:block; padding:10px 16px; color:var(--text); font-size:14px; }
.user-dropdown a:hover { background:var(--surface); }
.user-dropdown .divider { height:1px; background:var(--border); margin:4px 0; }

/* HERO */
.hero { padding:80px 0 60px; text-align:center; background:linear-gradient(135deg, var(--primary-light) 0%, var(--white) 50%, #f5f3ff 100%); }
.hero-badge { display:inline-block; background:var(--primary-light); color:var(--primary); padding:6px 16px; border-radius:20px; font-size:13px; font-weight:600; margin-bottom:20px; }
.hero h1 { font-size:52px; font-weight:900; letter-spacing:-1px; margin-bottom:16px; line-height:1.1; }
.hero h1 span { background:linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:18px; color:var(--text-secondary); max-width:560px; margin:0 auto 32px; }
.hero-buttons { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* SECTIONS */
.section { padding:64px 0; }
.section-label { font-size:13px; font-weight:600; color:var(--primary); text-transform:uppercase; letter-spacing:1px; margin-bottom:8px; text-align:center; }
.section-title { font-size:32px; font-weight:800; margin-bottom:40px; text-align:center; letter-spacing:-0.5px; }
.section-title span { color:var(--primary); }

/* CATEGORY GRID */
.cat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:16px; }
.cat-card { background:var(--white); border:1.5px solid var(--border); border-radius:var(--radius); padding:28px 16px; text-align:center; cursor:pointer; transition:all 0.3s; }
.cat-card:hover { border-color:var(--primary); box-shadow:var(--shadow); transform:translateY(-3px); }
.cat-card .icon { font-size:36px; margin-bottom:10px; }
.cat-card .name { font-size:14px; font-weight:600; color:var(--text); }

/* PRODUCT GRID */
.prod-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.prod-card { background:var(--white); border:1.5px solid var(--border); border-radius:var(--radius); overflow:hidden; transition:all 0.3s; position:relative; }
.prod-card:hover { border-color:var(--primary); box-shadow:var(--shadow-lg); transform:translateY(-2px); }
.prod-img { height:200px; background:var(--surface); display:flex; align-items:center; justify-content:center; font-size:48px; }
.prod-info { padding:16px; }
.prod-title { font-size:16px; font-weight:700; margin-bottom:4px; }
.prod-specs { font-size:12px; color:var(--text-muted); margin-bottom:8px; }
.prod-price { font-size:22px; font-weight:800; color:var(--primary); }
.prod-old-price { font-size:14px; color:var(--text-muted); text-decoration:line-through; margin-left:8px; }
.badge { display:inline-block; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; }
.badge-new { background:#dcfce7; color:#16a34a; }
.badge-likenew { background:#dbeafe; color:#2563eb; }
.badge-excellent { background:#e0f2fe; color:#0284c7; }
.badge-good { background:#fef3c7; color:#d97706; }
.badge-fair { background:#fed7aa; color:#ea580c; }
.badge-featured { position:absolute; top:12px; right:12px; background:var(--accent); color:white; padding:4px 12px; border-radius:20px; font-size:11px; font-weight:600; }
.prod-warranty { font-size:12px; color:var(--green); margin-top:6px; font-weight:500; }

/* SERVICE LIST */
.service-item { background:var(--white); border:1.5px solid var(--border); border-radius:14px; padding:20px 24px; margin-bottom:10px; display:flex; justify-content:space-between; align-items:center; transition:border 0.2s; }
.service-item:hover { border-color:var(--primary); }
.service-name { font-weight:600; font-size:15px; }
.service-desc { font-size:12px; color:var(--text-muted); margin-top:2px; }
.service-time { font-size:11px; color:var(--text-muted); }
.service-price { font-size:20px; font-weight:800; color:var(--primary); white-space:nowrap; }

/* TRACKING */
.track-box { background:var(--white); border:1.5px solid var(--border); border-radius:var(--radius); padding:40px; max-width:640px; margin:0 auto; box-shadow:var(--shadow); }
.track-input { display:flex; gap:8px; margin-top:16px; }
.track-input input { flex:1; padding:14px 18px; border-radius:12px; border:1.5px solid var(--border); font-size:16px; font-family:'Consolas',monospace; text-transform:uppercase; background:var(--surface); }
.track-input input:focus { outline:none; border-color:var(--primary); background:white; }

.track-status { display:inline-block; padding:8px 20px; border-radius:10px; font-weight:700; font-size:16px; color:white; }
.track-timeline { margin-top:24px; }
.tl-item { display:flex; gap:16px; padding:14px 0; border-left:2px solid var(--border); margin-left:8px; padding-left:24px; position:relative; }
.tl-item::before { content:''; position:absolute; left:-6px; top:18px; width:10px; height:10px; border-radius:50%; background:var(--primary); }
.tl-item .tl-date { font-size:12px; color:var(--text-muted); min-width:140px; }
.tl-item .tl-text { font-size:14px; font-weight:500; }

/* BREADCRUMB */
.breadcrumb { display:flex; gap:8px; align-items:center; margin-bottom:24px; font-size:14px; }
.breadcrumb a { color:var(--text-muted); }
.breadcrumb a:hover { color:var(--primary); }
.breadcrumb span { color:var(--text-muted); }

/* BRAND GRID */
.brand-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); gap:12px; }
.brand-card { background:var(--white); border:1.5px solid var(--border); border-radius:12px; padding:20px; text-align:center; font-weight:700; font-size:16px; cursor:pointer; transition:all 0.2s; }
.brand-card:hover { border-color:var(--primary); background:var(--primary-light); color:var(--primary); }

/* MODEL GRID */
.model-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:10px; }
.model-card { background:var(--white); border:1.5px solid var(--border); border-radius:12px; padding:14px 18px; text-align:center; font-weight:500; font-size:14px; cursor:pointer; transition:all 0.2s; }
.model-card:hover { border-color:var(--primary); background:var(--primary-light); color:var(--primary); }

/* STATS */
.stats-row { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin:40px 0; }
.stat-item { text-align:center; }
.stat-num { font-size:36px; font-weight:800; color:var(--primary); }
.stat-label { font-size:13px; color:var(--text-muted); font-weight:500; }

/* FEATURES */
.feat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:20px; }
.feat-card { background:var(--white); border:1px solid var(--border); border-radius:var(--radius); padding:28px; }
.feat-icon { font-size:28px; margin-bottom:12px; }
.feat-title { font-size:16px; font-weight:700; margin-bottom:6px; }
.feat-text { font-size:13px; color:var(--text-secondary); }

/* FORMS */
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:13px; font-weight:500; color:var(--text-secondary); margin-bottom:4px; }
.form-group input,.form-group select,.form-group textarea { width:100%; padding:12px 16px; border-radius:10px; border:1.5px solid var(--border); font-size:14px; font-family:inherit; background:white; color:var(--text); }
.form-group input:focus,.form-group select:focus { outline:none; border-color:var(--primary); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }

.alert { padding:14px 18px; border-radius:10px; font-size:14px; margin-bottom:16px; }
.alert-error { background:#fef2f2; border:1px solid #fecaca; color:#dc2626; }
.alert-success { background:#f0fdf4; border:1px solid #bbf7d0; color:#16a34a; }

/* FOOTER */
.footer { background:var(--text); color:white; padding:48px 0 24px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:24px; }
.footer h4 { font-size:14px; margin-bottom:12px; }
.footer p,.footer a { font-size:13px; color:#94a3b8; }
.footer a:hover { color:white; }
.footer-links { display:flex; flex-direction:column; gap:6px; }
.footer-bottom { text-align:center; padding-top:20px; border-top:1px solid #334155; font-size:12px; color:#64748b; }

/* RESPONSIVE */
@media(max-width:768px) {
    .hero h1 { font-size:32px; }
    .footer-grid { grid-template-columns:1fr; }
    .stats-row { grid-template-columns:repeat(2,1fr); }
    .form-row { grid-template-columns:1fr; }
}

/* ── Desktop: show nav + action buttons, hide hamburger ─── */
.nav              { display:flex; }
.nav-desktop-item { display:inline-flex; }
.nav-mobile-item  { display:none; }
.mobile-drawer    { display:none; }
.fab-repair       { display:none; }

/* ── Mobile (≤768px): hide nav + desktop buttons, show hamburger ─── */
@media(max-width:768px) {
    .nav              { display:none; }
    .nav-desktop-item { display:none !important; }
    .nav-mobile-item  { display:inline-flex; }

    /* Mobile drawer */
    .mobile-drawer        { display:none; flex-direction:column; gap:4px; padding:12px 16px 20px; background:var(--white); border-top:1px solid var(--border); }
    .mobile-drawer.open   { display:flex; }
    .mobile-drawer a      { padding:12px 14px; border-radius:10px; color:var(--text); font-size:15px; font-weight:500; text-decoration:none; }
    .mobile-drawer a:hover{ background:var(--surface); }

    /* Floating repair button */
    .fab-repair { display:flex; align-items:center; gap:6px; }
}

/* ── Hamburger ───────────────────────────────────────────── */
.hamburger { background:none; border:none; cursor:pointer; padding:6px; display:flex; flex-direction:column; justify-content:space-between; width:36px; height:36px; }
.hamburger span { display:block; width:22px; height:2px; background:var(--text); border-radius:2px; transition:all 0.25s; }
.hamburger.open span:nth-child(1) { transform:translateY(11px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-11px) rotate(-45deg); }

/* ── Floating repair button ──────────────────────────────── */
.fab-repair { position:fixed; bottom:24px; right:20px; z-index:500; background:var(--primary); color:white; border-radius:50px; padding:12px 20px; font-weight:700; font-size:14px; text-decoration:none; box-shadow:0 4px 20px rgba(37,99,235,0.45); }
.fab-repair:hover { background:var(--primary-dark); color:white; }