:root {
            --primary: #3b82f6;
            --primary-dark: #2563eb;
            --primary-darker: #1e40af;
            --primary-light: #60a5fa;
            --secondary: #10b981;
            --secondary-dark: #059669;
            --dark: #0f172a;
            --dark-light: #1e293b;
            --gray: #64748b;
            --gray-light: #94a3b8;
            --light: #f8fafc;
            --border: #e2e8f0;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-md: 0 10px 30px rgba(59,130,246,0.15);
        }

        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--light);
            color: var(--dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .navbar {
            background: white;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .navbar-brand img { max-height: 42px; width: auto; }
        .nav-link {
            color: var(--gray) !important;
            font-weight: 500;
            padding: 0.6rem 1.1rem !important;
            border-radius: 10px;
            transition: all 0.25s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary) !important;
            background: rgba(59,130,246,0.08);
        }
        .btn-login {
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            border-radius: 12px;
            padding: 0.55rem 1.5rem;
        }
        .btn-login:hover { background: var(--primary); color: white; }
        .btn-register, .btn-dashboard {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: white;
            font-weight: 600;
            border: none;
            border-radius: 12px;
            padding: 0.55rem 1.5rem;
            box-shadow: 0 4px 14px rgba(59,130,246,0.25);
        }
        .btn-register:hover, .btn-dashboard:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(59,130,246,0.35);
        }
        .wallet-badge {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: white;
            padding: 0.5rem 1.1rem;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 3px 10px rgba(16,185,129,0.3);
        }

        /* ── Hero ── */
       .hero {

    padding: 30px 20px;
    background: linear-gradient(135deg, #667eea 0%, #12528d 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.92;
    margin-bottom: 1.5rem;
}

.hero .btn-primary {
    background: white;
    color: #2563eb;
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    transition: all 0.3s;
}

.hero .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
    background: #f8f9fa;
}

/* Mobile adjustments */
@media (max-width: 991px) {
    .hero {
        margin-top: 80px;
        min-height: 320px;
        padding: 40px 15px;
    }
    .hero h1 {
        font-size: 2.3rem;
    }
    .hero p {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .hero {
        margin-top: 70px;
        min-height: 280px;
    }
    .hero h1 {
        font-size: 2rem;
    }
}

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
            padding: 1rem 0;
        }

        .tool-card {
            background: white;
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all 0.32s ease;
            box-shadow: var(--shadow-sm);
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateY(-4px);
        }

        .tool-header {
            text-align: center;
            padding: 1.8rem 1.2rem 1rem;
        }
        .tool-icon-container {
            width: 90px;
            height: 90px;
            margin: 0 auto 1.2rem;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(59,130,246,0.3);
        }
        .tool-icon { max-width: 60px; max-height: 60px; }

        .tool-name {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .tool-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin: 1rem 0;
            padding: 0 1rem;
        }
        .badge {
            padding: 0.45rem 0.9rem;
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 10px;
        }
        .badge-available { background: #ecfdf5; color: #065f46; }
        .badge-price { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: white; }
        .badge-hours { background: #e0f2fe; color: #1e40af; }

        .tool-footer {
            padding: 1.2rem 1.4rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            background: #f9fafb;
        }
        .btn-rent {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: white;
            padding: 0.65rem 1.4rem;
            border-radius: 12px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(59,130,246,0.25);
        }
        .btn-rent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(59,130,246,0.35);
        }
        .btn-rent.disabled {
            background: #cbd5e1;
            cursor: not-allowed;
            box-shadow: none;
            opacity: 0.7;
        }

        .footer {
            background: var(--dark);
            color: var(--gray-light);
            padding: 4rem 0 2rem;
        }
        .footer h5 { color: white; font-weight: 700; margin-bottom: 1.4rem; }
        .footer a { color: var(--gray-light); text-decoration: none; }
        .footer a:hover { color: white; }

        .social-link {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: white;
            transition: all 0.3s;
        }
        .social-link:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }
        .social-link.whatsapp { background: #25D366; }
        .social-link.telegram { background: #229ED9; }
        .social-link.youtube  { background: #FF0000; }

        /* Floating Chat Widget */
        .gsm-widget { position: fixed; bottom: 20px; right: 20px; z-index: 9999; }
        .gsm-toggle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 6px 18px rgba(0,0,0,.3);
            animation: pulse 1.8s infinite;
        }
        .gsm-toggle i { color: #fff; font-size: 22px; }
        .gsm-panel {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 12px 30px rgba(0,0,0,.25);
            padding: 14px;
            width: 220px;
            display: none;
        }
        .gsm-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px;
            border-radius: 10px;
            cursor: pointer;
            transition: background .2s;
        }
        .gsm-item:hover { background: #f1f5f9; }
        .gsm-item i { font-size: 26px; }
        .gsm-wa { color:#25D366; }
        .gsm-tg  { color:#0088cc; }
        .gsm-title { font-weight: 600; font-size: 14px; }
        .gsm-sub   { font-size: 12px; color: #666; }

        @keyframes pulse {
            0%   { box-shadow: 0 0 0 0 rgba(59,130,246,0.6); }
            70%  { box-shadow: 0 0 0 14px rgba(59,130,246,0); }
            100% { box-shadow: 0 0 0 0 rgba(59,130,246,0); }
        }
        @keyframes fadeUp {
            from { opacity:0; transform:translateY(10px); }
            to   { opacity:1; transform:translateY(0); }
        }

        @media (max-width: 991px) {
            .hero-particles { margin-top: 70px; padding: 50px 15px; min-height: 280px; }
            .hero-content h1 { font-size: 2.2rem; }
            .hero-content p  { font-size: 1rem; }
        }
        @media (max-width: 576px) {
            .hero-particles { margin-top: 60px; min-height: 240px; }
            .hero-content h1 { font-size: 1.9rem; }
        }