@import url("https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800;900&display=swap");:root{--primary-red:#e74c3c;--primary-blue:#3498db;--dark-red:#c0392b;--dark-blue:#2c3e50;--light-red:#ff6b6b;--light-blue:#74b9ff;--status-good:#2ecc71;--status-moderate:#f39c12;--status-unhealthy-sensitive:#e67e22;--status-unhealthy:#e74c3c;--status-very-unhealthy:#8e44ad;--status-hazardous:#7f0000;--white:#fff;--light-gray:#ecf0f1;--gray:#95a5a6;--dark-gray:#34495e;--black:#000;--gradient-primary:linear-gradient(135deg,var(--primary-red) 0%,var(--primary-blue) 100%);--gradient-secondary:linear-gradient(135deg,var(--dark-blue) 0%,var(--dark-red) 100%);--shadow-sm:0 2px 4px rgba(0,0,0,.1);--shadow-md:0 4px 6px rgba(0,0,0,.1);--shadow-lg:0 10px 25px rgba(0,0,0,.15);--container-width:1200px;--section-padding:80px 0}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:Vazirmatn,sans-serif;background:var(--white);color:var(--dark-gray);direction:rtl;scroll-behavior:smooth}body{line-height:1.8;font-size:16px}a{color:inherit;text-decoration:none;transition:all .3s ease}a:hover{color:var(--primary-red)}img{max-width:100%;height:auto;display:block}.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}.container-fluid{width:100%;padding:0 20px}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;margin-bottom:1rem;color:var(--dark-blue)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none}.btn-primary{background:var(--gradient-primary);color:var(--white);box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--white);color:var(--primary-blue);border:2px solid var(--primary-blue)}.btn-secondary:hover{background:var(--primary-blue);color:var(--white)}.card{background:var(--white);border-radius:12px;padding:24px;box-shadow:var(--shadow-md);transition:all .3s ease}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}section{padding:var(--section-padding)}.section-title{text-align:center;margin-bottom:3rem;position:relative}.section-title:after{content:"";display:block;width:80px;height:4px;background:var(--gradient-primary);margin:16px auto 0;border-radius:2px}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--light-gray)}::-webkit-scrollbar-thumb{background:var(--gradient-primary);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--gradient-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .6s ease-out}.text-center{text-align:center}.text-right{text-align:right}.text-left{text-align:left}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:3rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mb-5{margin-bottom:3rem}.p-1{padding:.5rem}.p-2{padding:1rem}.p-3{padding:1.5rem}.p-4{padding:2rem}.p-5{padding:3rem}@media (max-width:768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}section{padding:40px 0}.container{padding:0 15px}}@media (max-width:480px){h1{font-size:1.75rem}h2{font-size:1.5rem}body{font-size:14px}}