:root{--blue:#1b4fd8;--blue-dark:#0d286c;--blue-light:#4f7ef7;--sky:#0ea5e9;--navy:#051535;--navy-2:#0a1d44;--white:#fff;--off-white:#f8fafc;--text:#1e293b;--text-muted:#475569;--border:#e2e8f0;--green:#10b981;--bg-primary:#fff;--bg-secondary:#f8fafc;--card-bg:#fff;--grad-primary:linear-gradient(135deg, #1b4fd8, #0ea5e9);--grad-hero:linear-gradient(135deg, #051535 0%, #0a1d44 60%, #1b4fd8 100%);--font-sans:"Inter", system-ui, sans-serif;--font-display:"Outfit", "Inter", system-ui, sans-serif;--nav-h:95px;--radius:12px;--radius-lg:20px;--radius-full:9999px;--shadow-card:0 2px 12px #0000000f, 0 1px 4px #0000000a;--shadow-lift:0 10px 30px #1b4fd81f, 0 4px 12px #00000014;--ease:.3s ease;--ease-fast:.15s ease}:root[data-theme=dark]{--bg-primary:#0b1121;--bg-secondary:#0f172a;--card-bg:#1e293b;--text:#f8fafc;--text-muted:#94a3b8;--border:#334155;--navy:#f8fafc;--shadow-card:0 2px 12px #0000004d;--shadow-lift:0 10px 30px 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.hero-subtext{color:#ffffffd9;max-width:600px;font-size:1.1rem;line-height:1.6}.sub-page-hero .btn-ghost{color:#fff}.sub-page-hero .btn-ghost:hover{background:#ffffff1a}.sub-page-body{background:var(--bg-secondary);padding:4rem 0}.sub-page-card{background:var(--card-bg);border-radius:var(--radius);max-width:900px;box-shadow:var(--shadow-card);margin:0 auto;padding:3rem}.feature-list{grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0;display:grid}.feature-item{background:var(--bg-primary);border-radius:var(--radius);border:1px solid var(--border);align-items:flex-start;gap:.75rem;padding:1.5rem;display:flex}.feature-item i{color:var(--blue);flex-shrink:0;margin-top:2px;font-size:1.25rem}.feature-item h4{color:var(--text-primary);margin-bottom:.25rem;font-size:1.05rem;font-weight:700}.feature-item p{color:var(--text-muted);font-size:.9rem}@media (width<=600px){.feature-list{grid-template-columns:1fr}}.contact{background:var(--bg-primary);transition:background var(--ease);padding:6rem 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textarea{resize:vertical;min-height:120px}.btn-submit{width:100%;margin-top:.5rem}.footer{color:#ffffffb3;background:#051535;padding:0}.footer-logo{object-fit:contain;width:auto;max-width:300px;height:150px;margin-bottom:1rem}.footer-socials{gap:.75rem;margin-top:1.5rem;display:flex}.social-btn{width:40px;height:40px;color:var(--white);transition:all var(--ease);border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;display:flex}.social-btn:hover{background:var(--blue);border-color:var(--blue)}.footer-grid{border-bottom:1px solid #ffffff1a;grid-template-columns:1.2fr 1fr 2.5fr 1.2fr;gap:3rem;padding-bottom:3rem;display:grid}.footer-col-title{color:var(--white);margin-bottom:1.25rem;font-size:1rem;font-weight:700}.footer-list{flex-direction:column;gap:.75rem;display:flex}.footer-list a{color:#ffffffb3;transition:color var(--ease-fast);font-size:.9rem;text-decoration:none}.footer-list a:hover{color:var(--white)}.footer-contact-list{flex-direction:column;gap:1rem;display:flex}.footer-contact-list li{align-items:flex-start;gap:.75rem;font-size:.9rem;display:flex}.footer-contact-list i{color:var(--white);margin-top:3px}.footer-contact-list a,.footer-contact-list address{color:#ffffffb3;transition:color var(--ease-fast);font-style:normal;text-decoration:none}.footer-contact-list a:hover{color:var(--white)}.footer-bottom{text-align:center;color:#ffffff80;padding:1.5rem 0;font-size:.85rem}.back-to-top{background:var(--blue);width:55px;height:55px;color:var(--white);cursor:pointer;z-index:999;box-shadow:var(--shadow-card);opacity:0;visibility:hidden;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.25rem;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex;position:fixed;bottom:2rem;right:2rem;transform:translateY(25px)scale(.9)}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)scale(1)}.back-to-top:hover{background:var(--blue-dark);box-shadow:var(--shadow-lift);transform:translateY(-5px)scale(1.05)}:root[data-theme=dark] .back-to-top{background:var(--blue-light);color:var(--white)}:root[data-theme=dark] .back-to-top:hover{background:var(--sky)}@media (width<=1200px){.services-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media (width<=992px){.services-grid{grid-template-columns:repeat(2,1fr)}.contact-container{grid-template-columns:1fr;gap:3rem}.hero{grid-template-columns:1fr}.hero-right{display:none}.about-container{grid-template-columns:1fr}.about-img-block{height:350px}}@media (width<=768px){.nav-links{display:none}.hamburger{display:flex}.nav-cta{display:none}.services-grid,.footer-grid,.about-features{grid-template-columns:1fr}}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:2px}