:root{--bg:#f8fafc;--card:#ffffff;--text:#111827;--muted:#475569;--line:#e5e7eb;--green:#22C55E;--green2:#16A34A;--blue:#2563EB;--blue2:#1D4ED8;--radius:16px;--shadow:0 10px 30px rgba(2,6,23,.08)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Noto Sans',sans-serif}a{text-decoration:none;color:inherit}.container{max-width:1080px;margin:0 auto;padding:20px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.logo{font-weight:900;letter-spacing:.3px}nav a{opacity:.75;margin-left:12px}.hero{background:linear-gradient(180deg,rgb(37 99 235 / .08),rgb(34 197 94 / .08)),url("assets/images/troubleshoot.jpg") center/cover no-repeat;border-radius:20px;box-shadow:var(--shadow);padding:28px;border:1px solid var(--line)}.hero-inner{background:rgb(255 255 255 / .78);backdrop-filter:saturate(140%) blur(2px);border-radius:14px;padding:22px}.badge{display:inline-flex;align-items:center;gap:.5rem;background:rgb(34 197 94 / .12);border:1px solid rgb(34 197 94 / .35);color:#065f46;padding:6px 12px;border-radius:999px;font-weight:700;font-size:.9rem}.title{font-size:clamp(28px,4.6vw,46px);font-weight:900;margin:14px 0 8px}.subtitle{color:var(--muted);max-width:760px;margin:0 0 12px 0}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:14px 18px;border-radius:999px;font-weight:800;box-shadow:0 10px 20px rgb(2 6 23 / .08)}.btn-wa{background:linear-gradient(180deg,var(--green),var(--green2));color:#fff}.btn-call{background:linear-gradient(180deg,var(--blue),var(--blue2));color:#fff}.btn:hover{transform:translateY(-1px);transition:.2s ease}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.grid{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.card h3{display:flex;align-items:center;gap:.6rem;font-size:1.05rem;margin:0 0 6px}.card p{margin:0;color:var(--muted)}.trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.pill{background:#eef2ff;border:1px solid #c7d2fe;color:#1e3a8a;padding:8px 12px;border-radius:999px}.footer{text-align:center;margin-top:20px;color:#6b7280;font-size:.92rem}img.responsive{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow)}.small{font-size:.92rem;color:#64748b}.hr{height:1px;background:var(--line);margin:18px 0}