/* --- VARIÁVEIS --- */
        :root {
            --sul-navy: #0a1b44;
            --sul-blue: #00b4ff;
            --sul-light-blue: #f0f7ff;
            --sul-white: #ffffff;
            --sul-gray-50: #f8fafc;
            --sul-gray-100: #f1f5f9;
            --sul-gray-200: #e2e8f0;
            --sul-gray-400: #94a3b8;
            --sul-gray-500: #64748b;
            --sul-gray-600: #475569;
            --sul-gray-700: #334155;
            --sul-text: #1e293b;
            --sul-whatsapp: #25D366;
            --sul-whatsapp-hover: #128C7E;
        }

        /* --- RESET E GERAL --- */
        *{box-sizing:border-box;margin:0;padding:0}
        body{font-family:'Inter',sans-serif;color:var(--sul-text);line-height:1.6;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;overflow-x:hidden}
        .container{max-width:1280px;margin:0 auto;padding:0 20px}
        @media(min-width:768px){.container{padding:0 1.5rem}}
        a{text-decoration:none;transition:all .3s ease}
        ul{list-style:none}
        img{max-width:100%;height:auto;display:block}

        /* --- UTILITÁRIOS --- */
        .text-blue{color:var(--sul-blue)}
        .bg-white{background-color:var(--sul-white)}
        .bg-navy{background-color:var(--sul-navy)}
        .bg-slate-50{background-color:var(--sul-gray-50)}
        .font-bold{font-weight:700}
        .font-extrabold{font-weight:800}
        .text-center{text-align:center}

        /* --- HERO --- */
        .hero-section{
            background:linear-gradient(135deg,rgba(10,27,68,.68) 0%,rgba(88,28,135,.48) 100%),
                        url('https://sulcomm.com.br/wp-content/uploads/2026/03/Telefonia-Profissional-VoIP.webp');
            background-size:cover;background-position:center;
            color:var(--sul-white);padding:4rem 20px 5rem
        }
        @media(min-width:768px){.hero-section{padding-left:1.5rem;padding-right:1.5rem}}
        @media(min-width:1024px){.hero-section{padding:7rem 1.5rem 8rem}}
        .hero-badge{display:inline-block;padding:.5rem 1.5rem;border:1px solid var(--sul-blue);border-radius:9999px;background-color:rgba(10,27,68,.6);backdrop-filter:blur(4px);margin-bottom:2rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--sul-blue)}
        .hero-title{font-size:1.625rem;line-height:1.1;margin-bottom:1.5rem;text-shadow:0 4px 6px rgba(0,0,0,.1)}
        @media(min-width:1024px){.hero-title{font-size:2.5rem}}
        .hero-desc{font-size:1.125rem;font-weight:600;line-height:1.6;margin:0 auto 2rem;text-align:center;color:var(--sul-gray-100);max-width:45rem}
        .hero-checks{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:2.5rem}
        @media(min-width:768px){.hero-checks{grid-template-columns:repeat(3,1fr)}}
        .check-item{display:flex;align-items:center;justify-content:center;gap:.5rem;font-size:1.125rem;font-weight:700;white-space:nowrap}
        /* Ícone SVG inline para check — sem dependência de JS */
        .check-icon{width:1.5rem;height:1.5rem;flex-shrink:0;color:var(--sul-blue)}
        .btn-group{display:flex;flex-direction:column;gap:1rem;justify-content:center}
        @media(min-width:640px){.btn-group{flex-direction:row}}
        .btn{padding:1rem 2.5rem;border-radius:9999px;font-weight:700;font-size:1.125rem;box-shadow:0 10px 15px -3px rgba(0,0,0,.1);display:inline-flex;align-items:center;justify-content:center;gap:.5rem}
        .btn-blue{background-color:var(--sul-blue);color:var(--sul-white)}
        .btn-blue:hover{background-color:#0090e0}
        .btn-green{background-color:var(--sul-whatsapp);color:var(--sul-white)}
        .btn-green:hover{background-color:var(--sul-whatsapp-hover)}

        /* --- CARROSSEL --- */
        .logo-carousel-container{overflow:hidden;padding:2.5rem 0;background:var(--sul-white);position:relative;border-bottom:1px solid var(--sul-gray-100)}
        .logo-carousel-container::before,.logo-carousel-container::after{content:"";position:absolute;top:0;width:150px;height:100%;z-index:2}
        .logo-carousel-container::before{left:0;background:linear-gradient(to right,white,transparent)}
        .logo-carousel-container::after{right:0;background:linear-gradient(to left,white,transparent)}
        .logo-track{display:inline-flex;will-change:transform;animation:scroll 40s linear infinite}
        .logo-track img{height:100px;margin:0 50px;filter:grayscale(100%);opacity:.6;object-fit:contain;transition:filter .3s,opacity .3s,transform .3s}
        .logo-track img:hover{filter:grayscale(0%);opacity:1;transform:scale(1.1)}
        @keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

        /* --- SEÇÕES E CARDS --- */
        .section-padding{padding:6rem 20px}
        @media(min-width:768px){.section-padding{padding-left:1.5rem;padding-right:1.5rem}}
        .section-title{font-size:1.875rem;margin-bottom:1.5rem;color:var(--sul-navy);line-height:1.2}
        @media(min-width:1024px){.section-title{font-size:2.25rem}}
        .section-desc{color:var(--sul-gray-500);font-size:1.125rem;max-width:42rem;margin:0 auto 5rem}
        .grid-3{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-bottom:6rem}
        @media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
        @media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
        .solution-card{background:var(--sul-white);border-radius:24px;padding:2.5rem 2rem;transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1);box-shadow:0 10px 30px -5px rgba(0,0,0,.05);display:flex;flex-direction:column;height:100%}
        .solution-card:hover{transform:translateY(-12px);box-shadow:0 25px 50px -12px rgba(0,0,0,.1)}
        .icon-box{width:56px;height:56px;background-color:var(--sul-light-blue);color:var(--sul-blue);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:2rem}
        .solution-card h3{font-size:1.5rem;color:var(--sul-navy);margin-bottom:1rem}
        .solution-card p{color:var(--sul-gray-500);font-size:15px;margin-bottom:2rem;flex-grow:1}
        .solution-card a{color:var(--sul-blue);font-weight:700;display:flex;align-items:center;gap:.5rem}

        /* --- DIFERENCIAIS --- */
        .split-grid{display:grid;grid-template-columns:1fr;gap:4rem;align-items:center}
        @media(min-width:1024px){.split-grid{grid-template-columns:1fr 1fr}}
        .img-rounded{border-radius:2.5rem!important;box-shadow:0 25px 50px -12px rgba(0,0,0,.25)!important;border:8px solid var(--sul-white);position:relative;z-index:10}
        .exp-badge{position:absolute;bottom:-1.5rem;right:-1.5rem;background:var(--sul-white);padding:1.5rem;border-radius:1rem;box-shadow:0 20px 25px -5px rgba(0,0,0,.1);z-index:20;border:1px solid var(--sul-gray-100)}
        .exp-years{font-size:2rem;color:var(--sul-navy)}
        .exp-text{font-size:.75rem;color:var(--sul-gray-400);text-transform:uppercase;letter-spacing:.05em;font-weight:700}
        .feature-grid{display:grid;grid-template-columns:1fr;gap:1rem}
        @media(min-width:768px){.feature-grid{grid-template-columns:1fr 1fr}}
        .feature-card{background:var(--sul-white);border-radius:20px;padding:1.5rem;border:1px solid var(--sul-gray-200);transition:border-color .3s,box-shadow .3s}
        .feature-card:hover{border-color:var(--sul-blue);box-shadow:0 10px 25px -5px rgba(0,180,255,.1)}
        .feature-card svg{color:var(--sul-blue);margin-bottom:.75rem}
        .feature-card h4{font-weight:700;color:var(--sul-navy);margin-bottom:.5rem}
        .feature-card p{color:var(--sul-gray-500);font-size:1rem}

        /* --- PROCESSO --- */
        .process-grid{display:grid;grid-template-columns:1fr;gap:2rem}
        @media(min-width:768px){.process-grid{grid-template-columns:repeat(2,1fr)}}
        @media(min-width:1024px){.process-grid{grid-template-columns:repeat(4,1fr)}}
        .step-number{width:4rem;height:4rem;background-color:var(--sul-blue);color:var(--sul-white);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:1.5rem;font-weight:700;box-shadow:0 10px 15px -3px rgba(0,0,0,.1)}

        /* --- REVIEWS --- */
        .review-card{background:var(--sul-white);padding:2rem;border-radius:1rem;border:1px solid var(--sul-gray-100);display:flex;flex-direction:column;justify-content:space-between}
        .stars{color:#facc15;margin-bottom:1rem;display:flex;gap:.25rem}

        /* --- BLOG --- */
        .post-card{display:flex;flex-direction:column;background:var(--sul-white);border-radius:1.5rem;border:1px solid var(--sul-gray-100);overflow:hidden;transition:transform .3s,box-shadow .3s}
        .post-card:hover{transform:translateY(-.5rem);box-shadow:0 20px 25px -5px rgba(0,0,0,.1)}
        .post-img-wrapper{height:14rem;position:relative;overflow:hidden}
        .post-img-wrapper img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
        .post-card:hover img{transform:scale(1.1)}
        .post-category{position:absolute;top:1rem;left:1rem;background:var(--sul-blue);color:white;font-size:10px;font-weight:900;text-transform:uppercase;padding:.375rem .75rem;border-radius:.5rem;z-index:20}

        /* --- CTA --- */
        .cta-box{background-color:var(--sul-navy);padding:3rem 20px;border-radius:3rem;color:var(--sul-white);text-align:center;position:relative;overflow:hidden;box-shadow:0 25px 50px -12px rgba(0,0,0,.25)}
        @media(min-width:768px){.cta-box{padding-left:1.5rem;padding-right:1.5rem}}
        @media(min-width:1024px){.cta-box{padding:5rem}}
        .cta-box h2{font-size:1.875rem;margin-bottom:1.5rem}
        @media(min-width:1024px){.cta-box h2{font-size:3rem}}
        .cta-box p{color:var(--sul-light-blue);margin-bottom:2.5rem;max-width:48rem;margin-left:auto;margin-right:auto}

        /* --- AUTORIDADE --- */
        .authority-grid{display:flex;flex-direction:column;gap:2rem;margin-top:3rem}
        @media(min-width:1024px){.authority-grid{flex-direction:row;align-items:stretch}}
        @media(min-width:1024px){.authority-grid>div{flex:1}}
        .auth-card-premium{padding:1.5rem;border-radius:2rem;height:100%;transition:all .3s ease}
        @media(min-width:768px){.auth-card-premium{padding:2.5rem}}
        .sectors-grid{display:grid;grid-template-columns:1fr;gap:1rem}
        @media(min-width:480px){.sectors-grid{grid-template-columns:repeat(2,1fr)}}
        .sector-tag{display:flex;align-items:center;gap:.75rem;padding:1.25rem;background:white;border-radius:1rem;font-weight:800;box-shadow:0 2px 4px rgba(0,0,0,.02);border:1px solid var(--sul-gray-100);transition:border-color .3s,transform .3s,box-shadow .3s;font-size:.9rem}
        .sector-tag:hover{border-color:var(--sul-blue);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,180,255,.1)}
        .sector-tag svg{color:var(--sul-blue);flex-shrink:0;width:1.25rem;height:1.25rem}
        .city-badge{display:inline-block;padding:.75rem 1.25rem;background:var(--sul-gray-50);border:1px solid var(--sul-gray-100);border-radius:.75rem;font-weight:700;color:var(--sul-navy);margin-bottom:.5rem;margin-right:.5rem;font-size:.9rem}

        /* --- LUCIDE FALLBACK: tamanho padrão para SVGs injetados via JS --- */
        [data-lucide]{width:1.5rem;height:1.5rem}
        .icon-box [data-lucide]{width:1.5rem;height:1.5rem}
.grid-4{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-bottom:6rem}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}