:root{--primary:#0066CC;--primary-light:#e6f0ff;--gray-bg:#F8FAFC;--gray-border:#E2E8F0;--text-dark:#0F172A;--text-muted:#475569;--wa-green:#25D366;--wa-dark:#20bd5a;}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Inter',sans-serif;background-color:#ffffff;color:#1e293b;line-height:1.5;scroll-behavior:smooth;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
h1,h2,h3{font-weight:600;line-height:1.2;color:var(--text-dark);}
h2{font-size:2rem;margin-bottom:1.5rem;margin-top:1rem;letter-spacing:-0.02em;}
.section{padding:1rem 0;border-bottom:1px solid var(--gray-border);}
.section:last-child{border-bottom:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.9rem 2rem;border-radius:8px;font-weight:600;font-size:1rem;text-decoration:none;transition:all 0.2s ease;border:none;cursor:pointer;}
.btn-primary{background-color:var(--primary);color:white;box-shadow:0 4px 6px -2px rgba(0,102,204,0.25);}
.btn-primary:hover{background-color:#0052a3;transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(0,102,204,0.3);}
.btn-primary:disabled{opacity:0.65;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-wa{background-color:var(--wa-green);color:white;box-shadow:0 4px 6px -2px rgba(37,211,102,0.25);}
.btn-wa:hover{background-color:var(--wa-dark);transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(37,211,102,0.3);}
.navbar{display:flex;flex-direction:column;border-bottom:1px solid var(--gray-border);padding:0.5rem 0;}
.navbar-top{display:flex;align-items:center;justify-content:space-between;width:100%;}
.logo{font-size:1.8rem;font-weight:700;color:var(--primary);letter-spacing:-0.02em;text-decoration:none;}
.mobile-menu-toggle{font-size:1.8rem;cursor:pointer;color:var(--text-dark);display:block;}
.navbar-contact{display:flex;flex-wrap:wrap;gap:1.5rem 2rem;padding:0.75rem 0 0.5rem;font-size:0.95rem;border-top:1px dashed var(--gray-border);margin-top:0.5rem;justify-content:space-between;}
.navbar-contact a{color:var(--text-dark);text-decoration:none;display:inline-flex;align-items:center;gap:0.5rem;}
.navbar-contact a:hover{color:var(--primary);}
.nav-menu{display:none;flex-direction:column;align-items:center;gap:1rem;list-style:none;padding:1rem 0;border-top:1px solid var(--gray-border);}
.nav-menu.show{display:flex;}
.nav-menu a{text-decoration:none;font-weight:500;color:var(--text-dark);padding:0.5rem 0;}
.nav-menu a:hover{color:var(--primary);}
@media (max-width:709px){.navbar{flex-direction:column;}.navbar-top{order:2;width:100%;}.navbar-contact{order:1;width:100%;border-top:none;margin-top:0;margin-bottom:0.5rem;justify-content:space-between;padding:0;}.nav-menu{order:3;width:100%;}}
@media (min-width:710px){.navbar{flex-direction:row;align-items:center;flex-wrap:wrap;}.navbar-top{order:2;width:auto;}.mobile-menu-toggle{display:none !important;}.navbar-contact{order:1;border-top:none;padding-left:0rem;margin-left:0;border-bottom:1px dashed var(--gray-border);margin-top:0;margin-bottom:0.5rem;justify-content:flex-start;width:100%;justify-content:space-between;}.nav-menu{display:flex !important;flex-direction:row;order:2;margin-left:auto;margin-right:0rem;width:auto;border-top:none;padding:0;gap:2rem;}.nav-menu li{list-style:none;}.nav-menu a{padding:0.5rem 0;}}
@media (min-width:1058px){.navbar-contact{order:3;padding-left:2rem;width:auto;border-bottom:0px dashed var(--gray-border);margin-top:0;margin-bottom:0;}.nav-menu{margin-right:0rem;}}
.hero{display:flex;flex-wrap:wrap;align-items:center;gap:3rem;padding:1rem 0 1rem;}
.hero-content{flex:1 1 45%;}
.hero-content h1{font-size:2rem;margin-bottom:1rem;line-height:1.1;}
.hero-badges{display:flex;flex-wrap:wrap;gap:0.5rem 0.5rem;margin:1.5rem 0;font-weight:500;color:var(--text-muted);}
.hero-badges span{background:var(--gray-bg);padding:0.3rem 1rem;border-radius:30px;font-size:0.9rem;border:1px solid var(--gray-border);}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem;justify-content:flex-start;}
.hero-actions .btn{flex:1 0 auto;min-width:200px;text-align:center;}
.hero-image{flex:1 1 40%;background:linear-gradient(145deg,#f1f5f9,#e6edf5);border-radius:24px;display:flex;justify-content:center;align-items:center;min-height:280px;box-shadow:0 20px 25px -5px rgba(0,0,0,0.05);}
.hero-image img{max-width:100%;height:auto;border-radius:16px;}
.benefits-split-list{list-style:none;padding:0;margin:0;}
.benefits-split-list li{display:flex;align-items:flex-start;gap:1rem 0.2rem;margin-bottom:1rem;font-size:1rem;line-height:1.4;}
.benefits-split-list li i{flex:0 0 1.6rem;font-size:1.0rem;margin-top:0.25rem;color:#1e3a8a;}
.benefits-split-list li span{flex:1;color:var(--text-dark);}
.hero-features-list{display:block;flex-wrap:wrap;gap:1rem;list-style:none;padding:0;margin-top:1rem;}
.hero-features-list li{display:inline-flex;align-items:center;gap:0.5rem;}
.hero-features-list li i{color:#10b981;font-size:1.0rem;}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:2rem;}
.feature-card{background:#f8fafc;border:1px solid var(--gray-border);border-radius:20px;padding:1.8rem 1.5rem;transition:all 0.2s;box-shadow:0 4px 6px -4px rgba(0,0,0,0.02);}
.feature-card:hover{border-color:var(--primary);box-shadow:0 20px 25px -8px rgba(0,102,204,0.1);}
.feature-icon{font-size:2.2rem;color:var(--primary);margin-bottom:1.2rem;}
.feature-card h3{font-size:1.3rem;margin-bottom:0.7rem;}
.feature-card p{color:var(--text-muted);}
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin:2rem 0 1rem;}
.app-item{background:var(--gray-bg);border-radius:60px;padding:1rem 1.5rem;text-align:center;font-weight:600;border:1px solid var(--gray-border);}
.app-note{color:var(--text-muted);font-size:1.1rem;margin-top:2rem;}
.principle-box{background:var(--primary-light);border-radius:32px;padding:2rem;display:flex;flex-wrap:wrap;gap:2rem;align-items:center;}
.principle-text{flex:2 1 300px;}
.principle-icon{flex:1 1 150px;text-align:center;font-size:4rem;color:var(--primary);}
.specs-grid{display:grid;grid-template-columns:1fr 2fr;gap:0.2rem 1.5rem;padding:2rem;border-radius:24px;background:#f8fafc;}
.specs-term{font-weight:600;color:var(--text-dark);padding:0.5rem 0;border-bottom:1px dashed var(--gray-border);}
.specs-desc{color:var(--text-muted);padding:0.5rem 0;border-bottom:1px dashed var(--gray-border);}
.models-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-top:2rem;align-items:stretch;}
.models-grid a{text-decoration:none;display:flex;height:100%;color:inherit;}
.model-card{background:white;border:1px solid var(--gray-border);border-radius:24px;overflow:hidden;transition:all 0.2s;display:flex;flex-direction:column;width:100%;}
.model-card:hover{border-color:var(--primary);box-shadow:0 20px 25px -8px rgba(0,102,204,0.1);}
.model-image{display:flex;align-items:center;justify-content:center;background:#fff;flex-shrink:0;overflow:hidden;border-top-left-radius:24px;border-top-right-radius:24px;}
.model-image img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:12px;}
.model-features{background:#f8fafc;padding:1.0rem 1.5rem;list-style:none;flex:1;display:flex;flex-direction:column;}
.model-features h3{font-size:1.5rem;margin-bottom:1rem;color:var(--text-dark);text-align:left;font-weight:300;}
.model-features ul{list-style:none;padding:0;margin:0;}
.model-features li{margin-bottom:0.8rem;display:flex;align-items:flex-start;gap:0.7rem;color:var(--text-dark);}
.model-features i.fa-check-circle{color:var(--primary);}
.about-text{background:var(--gray-bg);padding:0.6rem;border-radius:32px;font-size:1.2rem;color:var(--text-muted);}
.form-section{background:var(--primary-light);border-radius:32px;padding:3rem;margin:2rem 0;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0.5rem;}
.form-group{margin-bottom:1rem;}
label{font-weight:500;margin-bottom:0.3rem;display:block;}
input,select,textarea{width:100%;padding:1rem;border:1px solid var(--gray-border);border-radius:12px;font-family:inherit;font-size:1rem;background:white;}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);border-color:transparent;}
.checkbox{display:flex;align-items:center;gap:0.7rem;margin:1.5rem 0;}
.checkbox input{width:auto;}
.form-message{padding:1rem;border-radius:12px;margin-bottom:1.5rem;display:none;}
.form-message.success{background:#d1fae5;color:#065f46;display:block;}
.faq-item{border-bottom:1px solid var(--gray-border);padding:1.2rem 0;}
.faq-question{font-weight:600;display:flex;justify-content:space-between;cursor:pointer;}
.faq-answer{padding-top:0.8rem;color:var(--text-muted);display:none;}
.faq-item.active .faq-answer{display:block;}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:2rem;padding:2rem 0 1rem;border-top:1px solid var(--gray-border);}
.footer-nav a{color:var(--text-dark);text-decoration:none;font-weight:500;}
.footer-nav a:hover{color:var(--primary);}
.floating-buttons{position:fixed;bottom:30px;right:30px;display:flex;flex-direction:column;gap:12px;z-index:99;}
.float-btn{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:white;text-decoration:none;box-shadow:0 10px 15px -3px rgba(0,0,0,0.2);transition:transform 0.2s,background-color 0.2s;}
.float-btn:hover{transform:scale(1.1);}
.float-btn-wa{background-color:var(--wa-green);}
.float-btn-wa:hover{background-color:var(--wa-dark);}
.float-btn-top{background-color:#334155;}
.float-btn-top:hover{background-color:#1e293b;}
.float-btn-quote{background-color:var(--primary);}
.float-btn-quote:hover{background-color:#0052a3;}
footer{padding:2rem 0;text-align:center;color:var(--text-muted);border-top:1px solid var(--gray-border);}
.table-wrapper{overflow-x:visible;border-radius:1.5rem;background:#f8fafc;margin-top:1.5rem;}
table{width:100%;border-collapse:collapse;}
th,td{text-align:left;padding:1rem;border-bottom:1px solid #e2e8f0;}
th{background:#eef2ff;font-weight:600;}
#standards{padding:3rem 0 3rem 0;}
.standards-list{display:flex;flex-wrap:wrap;justify-content:center;gap:0.8rem;margin:1.5rem 0;}
.standard-badge{background:#e6f0ff;padding:0.4rem 1.2rem;border-radius:40px;font-weight:600;font-size:0.85rem;}
.two-col{display:flex;flex-wrap:wrap;gap:2rem;align-items:center;}
.two-col>div{flex:1;min-width:240px;}
.text-center{text-align:center;}
#customToast{position:fixed;bottom:50%;left:50%;transform:translateX(-50%);background:#333;color:white;padding:14px 28px;border-radius:40px;z-index:10000;font-weight:500;box-shadow:0 15px 25px -8px rgba(0,0,0,0.3);opacity:0;transition:opacity 0.25s ease;pointer-events:none;max-width:80%;text-align:center;}
#customToast.success{background:#10b981;}
#customToast.error{background:#ef4444;}
@media (max-width:768px){.models-grid{grid-template-columns:1fr;}h2{font-size:1.8rem;text-align:center;}.hero-content h1{font-size:1.5rem;}.hero{flex-direction:column;gap:2rem;text-align:center;}.apps-grid{grid-template-columns:repeat(2,1fr);}.specs-grid{grid-template-columns:1fr;gap:0.2rem;}.form-row{grid-template-columns:1fr;}.form-section{padding:2rem 1.5rem;}.floating-buttons{bottom:20px;right:20px;gap:8px;}.float-btn{width:50px;height:50px;font-size:1.5rem;}}
@media (max-width:560px){.features-grid{grid-template-columns:repeat(auto-fit,minmax(100%,1fr));}}
@media (max-width:400px){.footer-nav{gap:1rem;}.navbar-contact{gap:1rem;}}