@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");:root{--navy:#0a1628;--teal:#00c2cb;--white:#fff;--gray-100:#f7f8fa;--gray-200:#e8ecf0;--gray-400:#a0aec0;--gray-700:#4a5568;--shadow-card:0 4px 24px rgba(0,0,0,.08);--radius:8px;--max-width:1200px;--font:"Poppins",sans-serif}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body,html{font-size:16px}body{font-family:var(--font);font-weight:400;line-height:1.7;color:var(--navy);background:var(--white);-webkit-font-smoothing:antialiased}h1{font-size:clamp(28px,4vw,40px);font-weight:700;line-height:1.2}h2{font-size:clamp(22px,3vw,28px);line-height:1.3}h2,h3{font-weight:600}h3{font-size:clamp(18px,2.5vw,20px);line-height:1.4}p{margin-bottom:1rem}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section{padding:64px 0}.section--alt{background:var(--gray-100)}@media (max-width:768px){.section{padding:40px 0}.container{padding:0 16px}}[dir=rtl]{font-family:"Noto Sans Arabic",var(--font),sans-serif}.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s;padding:0 24px}.nav--scrolled{background:var(--navy);box-shadow:0 2px 16px rgba(0,0,0,.2)}.nav__inner{max-width:var(--max-width);margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}.nav__logo{font-size:20px;font-weight:700;color:var(--white);text-decoration:none;flex-shrink:0}.nav__logo span{color:var(--teal)}.nav__menu{display:flex;align-items:center;gap:8px;list-style:none}.nav__dropdown{position:relative}.nav__dropdown-btn{background:none;border:none;color:var(--white);font-family:var(--font);font-size:14px;font-weight:500;cursor:pointer;padding:8px 12px;border-radius:6px;display:flex;align-items:center;gap:4px;transition:background .2s}.nav__dropdown-btn:hover{background:hsla(0,0%,100%,.1)}.nav__dropdown-panel{display:none;position:absolute;top:calc(100% + 8px);left:0;background:var(--white);border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.15);min-width:280px;padding:8px;z-index:200}.nav__dropdown:focus-within .nav__dropdown-panel,.nav__dropdown:hover .nav__dropdown-panel{display:block}.nav__dropdown-link{display:block;padding:10px 12px;color:var(--navy);font-size:14px;border-radius:6px;transition:background .2s}.nav__dropdown-link:hover{background:var(--gray-100);text-decoration:none}.nav__hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}.nav__hamburger span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:transform .3s}.nav__mobile-menu{display:none;position:fixed;inset:0;background:var(--navy);z-index:99;padding:80px 24px 24px;overflow-y:auto}.nav__mobile-menu.open{display:block}.nav__mobile-link{display:block;color:var(--white);font-size:18px;font-weight:500;padding:16px 0;border-bottom:1px solid hsla(0,0%,100%,.1)}@media (max-width:768px){.nav__menu{display:none}.nav__hamburger{display:flex}}.hero{background:var(--navy);padding:120px 0 80px;color:var(--white)}.hero__tagline{color:var(--teal);font-size:18px;font-weight:500;margin-bottom:12px}.hero h1{color:var(--white);margin-bottom:16px}.hero__desc{font-size:18px;color:var(--gray-400);max-width:600px;margin-bottom:40px}.calc-widget{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:32px;max-width:640px}.calc-widget__title{font-size:18px;font-weight:600;color:var(--navy);margin-bottom:24px}.calc-field{margin-bottom:20px}.calc-field label{display:block;font-size:14px;font-weight:500;color:var(--gray-700);margin-bottom:6px}.calc-field input,.calc-field select{width:100%;height:48px;border:1.5px solid var(--gray-200);border-radius:6px;padding:0 16px;font-family:var(--font);font-size:15px;color:var(--navy);outline:none;transition:border-color .2s;background:var(--white)}.calc-field input:focus,.calc-field select:focus{border-color:var(--teal)}.calc-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}@media (max-width:480px){.calc-row{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:6px;font-family:var(--font);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:opacity .2s,transform .1s}.btn:active{transform:scale(.98)}.btn--primary{background:var(--teal);color:var(--white);width:100%}.btn--primary:hover{opacity:.9}.btn--ghost{background:transparent;border:1.5px solid var(--gray-200);color:var(--navy);height:36px;padding:0 16px;font-size:13px}.result-box{margin-top:24px;background:var(--gray-100);border-radius:var(--radius);padding:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.result-box__value{font-size:28px;font-weight:700;color:var(--navy)}.result-box__label{font-size:13px;color:var(--gray-400);margin-top:2px}.result-box__copy{background:none;border:1.5px solid var(--gray-200);border-radius:6px;padding:8px 14px;font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;color:var(--navy);transition:background .2s;flex-shrink:0}.result-box__copy:hover{background:var(--gray-200)}.result-box__copy.copied{color:var(--teal);border-color:var(--teal)}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:16px;flex-wrap:wrap}.breadcrumb,.breadcrumb a{color:var(--gray-400)}.breadcrumb a:hover{color:var(--white)}.breadcrumb__sep{color:var(--gray-400)}.content-section{padding:64px 0}.content-section+.content-section{padding-top:0}.content-section h2{margin-bottom:24px;color:var(--navy)}.formula-block{background:var(--navy);color:var(--teal);border-radius:var(--radius);padding:24px 28px;font-family:Courier New,monospace;font-size:15px;margin:20px 0;overflow-x:auto}.steps{list-style:none;counter-reset:step}.steps li{counter-increment:step;display:flex;gap:16px;margin-bottom:20px;align-items:flex-start}.steps li:before{content:counter(step);display:flex;align-items:center;justify-content:center;min-width:36px;height:36px;background:var(--teal);color:var(--white);border-radius:50%;font-weight:700;font-size:14px;flex-shrink:0}.examples-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:15px}.examples-table th{background:var(--navy);color:var(--white);padding:12px 16px;text-align:left;font-weight:600}.examples-table td{padding:12px 16px;border-bottom:1px solid var(--gray-200)}.examples-table tr:hover td{background:var(--gray-100)}.faq-item{border-bottom:1px solid var(--gray-200);padding:20px 0}.faq-item h3{cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--navy)}.faq-item__answer{margin-top:12px;color:var(--gray-700);font-size:15px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:20px;gap:20px;margin-top:24px}.tool-card{background:var(--white);border:1.5px solid var(--gray-200);border-radius:var(--radius);padding:24px;transition:border-color .2s,box-shadow .2s;display:flex;flex-direction:column;gap:8px}.tool-card:hover{border-color:var(--teal);box-shadow:var(--shadow-card)}.tool-card__icon{font-size:28px}.tool-card__name{font-size:16px;font-weight:600;color:var(--navy)}.tool-card__desc{font-size:14px;color:var(--gray-700);line-height:1.5}.country-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-top:24px}.country-card{display:flex;align-items:center;gap:12px;background:var(--white);border:1.5px solid var(--gray-200);border-radius:var(--radius);padding:16px;transition:border-color .2s;text-decoration:none;color:var(--navy)}.country-card:hover{border-color:var(--teal);text-decoration:none}.country-card__flag{font-size:28px;flex-shrink:0}.country-card__name{font-size:15px;font-weight:600}.country-card__local{font-size:13px;color:var(--gray-400)}.usp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:24px;gap:24px;margin-top:24px}.usp-block{text-align:center;padding:32px 24px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-card)}.usp-block__icon{font-size:36px;margin-bottom:12px}.usp-block__title{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--navy)}.usp-block__desc{font-size:14px;color:var(--gray-700)}.footer{background:var(--navy);color:var(--white);padding:64px 0 32px}.footer__grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:40px;gap:40px;margin-bottom:48px}@media (max-width:768px){.footer__grid{grid-template-columns:repeat(2,1fr);gap:24px}}@media (max-width:480px){.footer__grid{grid-template-columns:1fr}}.footer__col-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--gray-400);margin-bottom:16px}.footer__link{display:block;color:var(--gray-400);font-size:14px;margin-bottom:10px;transition:color .2s}.footer__link:hover{color:var(--white);text-decoration:none}.footer__bottom{border-top:1px solid hsla(0,0%,100%,.1);padding-top:24px;text-align:center;font-size:13px;color:var(--gray-400)}.expert-block{background:var(--navy);color:var(--white);border-radius:var(--radius);padding:40px;display:flex;gap:32px;align-items:center;flex-wrap:wrap}.expert-block__avatar{width:80px;height:80px;border-radius:50%;background:var(--teal);display:flex;align-items:center;justify-content:center;font-size:32px;flex-shrink:0}.expert-block__name{font-size:22px;font-weight:700;margin-bottom:4px}.expert-block__title{color:var(--teal);font-size:14px;font-weight:500;margin-bottom:12px}.expert-block__bio{font-size:15px;color:var(--gray-400)}.page-header{background:var(--navy);padding:100px 0 60px;color:var(--white)}.page-header h1{color:var(--white);margin-bottom:12px}.page-header__desc{font-size:18px;color:var(--gray-400);max-width:640px}.related-tools{padding:64px 0;background:var(--gray-100)}.chip{display:inline-block;background:rgba(0,194,203,.1);color:var(--teal);border-radius:20px;padding:4px 12px;font-size:13px;font-weight:500}