/* AllConverters.Online - Complete Stylesheet v2.0 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#eff6ff;
  --secondary:#10b981;--accent:#f59e0b;--dark:#1e293b;
  --text:#374151;--text-light:#6b7280;--border:#e5e7eb;
  --bg:#f9fafb;--white:#ffffff;
  --shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);
  --radius:8px;--radius-lg:14px;
  --font:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--white)}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* HEADER */
.site-header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo a{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--dark)}
.logo-img{height:38px;width:auto}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-.5px;display:inline-block}
.logo-dot{color:var(--primary)}
.main-nav ul{display:flex;align-items:center;gap:2px}
.main-nav ul li{position:relative}
.main-nav ul li a{display:block;padding:8px 14px;color:var(--text);font-weight:500;border-radius:var(--radius);transition:all .2s;white-space:nowrap;font-size:.95rem}
.main-nav ul li a:hover,.main-nav ul li a.active{color:var(--primary);background:var(--primary-light)}
.dropdown-menu{display:none;position:absolute;top:calc(100% + 4px);left:0;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:220px;padding:6px 0;z-index:200;flex-direction:column}
.dropdown:hover .dropdown-menu{display:flex}
.dropdown-menu li a{padding:10px 16px;border-radius:0;font-weight:400;font-size:.9rem}
.nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;padding:8px;color:var(--dark);line-height:1}

/* HERO */
.hero{background:linear-gradient(135deg,#2563eb 0%,#1a56db 50%,#1e40af 100%);color:var(--white);padding:80px 0;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.05) 0%,transparent 60%)}
.hero h1{font-size:clamp(1.8rem,4vw,3rem);font-weight:800;margin-bottom:18px;line-height:1.2}
.hero p{font-size:1.1rem;margin-bottom:32px;max-width:580px;margin-left:auto;margin-right:auto;opacity:.92}
.btn-primary{display:inline-block;background:var(--white);color:var(--primary);padding:14px 36px;border-radius:50px;font-weight:700;font-size:1rem;transition:all .2s;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2);color:var(--primary)}

/* SECTIONS */
.section-title{text-align:center;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;color:var(--dark);margin-bottom:12px}
.section-subtitle{text-align:center;color:var(--text-light);font-size:1rem;max-width:620px;margin:0 auto 40px}

/* CONVERTERS GRID */
.converters-grid{padding:80px 0;background:var(--bg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;transition:all .3s;color:var(--text);display:flex;flex-direction:column;align-items:center;gap:12px}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary);color:var(--text)}
.card-icon{font-size:38px}
.card h3{font-size:1.1rem;font-weight:700;color:var(--dark)}
.card p{font-size:.875rem;color:var(--text-light);line-height:1.5}
.card-link{color:var(--primary);font-weight:600;font-size:.875rem;margin-top:auto}

/* FEATURES */
.features-section{padding:80px 0}
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px;margin-top:40px}
.feature-item{padding:24px;border-radius:var(--radius-lg);background:var(--bg);border:1px solid var(--border);transition:box-shadow .2s}
.feature-item:hover{box-shadow:var(--shadow-md)}
.feature-icon{font-size:34px;margin-bottom:12px}
.feature-item h3{font-size:1.05rem;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-item p{color:var(--text-light);font-size:.9rem}

/* HOW IT WORKS */
.how-it-works{padding:80px 0;background:var(--primary);color:var(--white)}
.how-it-works .section-title{color:var(--white)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px;margin-top:40px;text-align:center}
.step-number{width:54px;height:54px;background:rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;margin:0 auto 14px;border:2px solid rgba(255,255,255,.4)}
.step h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.step p{opacity:.85;font-size:.9rem}

/* POPULAR */
.popular-conversions{padding:80px 0;background:var(--bg)}
.popular-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;margin-top:40px}
.popular-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-align:center;transition:box-shadow .2s}
.popular-item:hover{box-shadow:var(--shadow-md)}
.popular-item h4{font-size:.95rem;font-weight:700;color:var(--dark);margin-bottom:6px}
.popular-item p{color:var(--text-light);font-size:.85rem;margin-bottom:10px}
.popular-item a{font-weight:600;font-size:.85rem}

/* CONVERTER PAGES */
.converter-hero{background:linear-gradient(135deg,#2563eb 0%,#1a56db 100%);color:var(--white);padding:48px 0 40px;text-align:center}
.converter-hero h1{font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:800;margin-bottom:10px}
.converter-hero p{opacity:.9;max-width:550px;margin:0 auto;font-size:1rem}
.converter-section{padding:60px 0;background:var(--bg)}
.converter-box{background:var(--white);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-md);max-width:720px;margin:0 auto}
.converter-box h2{font-size:1.3rem;font-weight:700;color:var(--dark);margin-bottom:24px;text-align:center}
.input-group{display:flex;gap:14px;margin-bottom:20px;align-items:flex-end;flex-wrap:wrap}
.input-group>div{flex:1;min-width:140px}
.input-group label{display:block;font-weight:600;margin-bottom:6px;color:var(--dark);font-size:.875rem}
.form-control{width:100%;padding:12px 14px;border:2px solid var(--border);border-radius:var(--radius);font-size:1rem;font-family:var(--font);transition:border-color .2s;outline:none;background:var(--white)}
.form-control:focus{border-color:var(--primary)}
select.form-control{cursor:pointer}
.result-display{background:var(--primary-light);border:2px solid var(--primary);border-radius:var(--radius);padding:20px;text-align:center;margin:20px 0}
.result-display .result-value{font-size:1.9rem;font-weight:800;color:var(--primary)}
.result-display .result-unit{color:var(--text-light);font-size:.95rem;margin-top:4px}
.results-table{width:100%;border-collapse:collapse;margin-top:20px}
.results-table th,.results-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:.9rem}
.results-table th{background:var(--bg);font-weight:700;color:var(--dark)}
.results-table tr:hover td{background:var(--primary-light)}
.results-table .value{font-weight:600;color:var(--primary)}

/* PAGES */
.page-hero{background:linear-gradient(135deg,#2563eb 0%,#1a56db 100%);color:var(--white);padding:52px 0;text-align:center}
.page-hero h1{font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800;margin-bottom:12px}
.page-hero p{opacity:.9;max-width:600px;margin:0 auto}
.info-section{padding:60px 0}
.info-section h2{font-size:1.5rem;font-weight:700;color:var(--dark);margin-bottom:14px;margin-top:32px;padding-bottom:8px;border-bottom:2px solid var(--primary-light)}
.info-section h2:first-child{margin-top:0}
.info-section p{color:var(--text);margin-bottom:14px;line-height:1.75}
.info-section ul{list-style:disc;padding-left:24px;margin-bottom:16px}
.info-section ul li{margin-bottom:8px;color:var(--text);line-height:1.6}

/* BREADCRUMB */
.breadcrumb{background:var(--white);border-bottom:1px solid var(--border);padding:10px 0}
.breadcrumb ul{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.breadcrumb ul li{color:var(--text-light);font-size:.875rem}
.breadcrumb ul li a{color:var(--primary)}
.breadcrumb ul li::after{content:"/";margin-left:6px;color:var(--border)}
.breadcrumb ul li:last-child::after{display:none}
.breadcrumb ul li:last-child{color:var(--text);font-weight:500}

/* CONTACT */
.contact-section{padding:60px 0;background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:40px;align-items:start}
.contact-info h2{font-size:1.5rem;font-weight:700;color:var(--dark);margin-bottom:14px}
.contact-info p{color:var(--text-light);margin-bottom:22px;line-height:1.7}
.contact-item{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.contact-item-icon{font-size:22px;padding-top:2px}
.contact-item-text h4{font-weight:700;color:var(--dark);margin-bottom:3px;font-size:.95rem}
.contact-item-text p{color:var(--text-light);font-size:.875rem}
.contact-form{background:var(--white);padding:36px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.contact-form h2{font-size:1.3rem;font-weight:700;color:var(--dark);margin-bottom:22px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;margin-bottom:6px;color:var(--dark);font-size:.875rem}
.form-group textarea.form-control{min-height:120px;resize:vertical}
.btn-submit{background:var(--primary);color:var(--white);border:none;padding:13px 28px;border-radius:var(--radius);font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s;width:100%}
.btn-submit:hover{background:var(--primary-dark);transform:translateY(-1px)}

/* FOOTER */
.site-footer{background:var(--dark);color:#94a3b8;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand h3{color:var(--white);font-size:1.2rem;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:.875rem;line-height:1.7}
.footer-links h4{color:var(--white);font-size:.95rem;font-weight:700;margin-bottom:14px}
.footer-links ul li{margin-bottom:8px}
.footer-links ul li a{color:#94a3b8;font-size:.875rem;transition:color .2s}
.footer-links ul li a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid #334155;padding:20px 0;text-align:center;font-size:.85rem}

/* AD CONTAINER */
.ad-container{text-align:center;padding:20px 0;background:var(--bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:20px 0;overflow:hidden}

/* RESPONSIVE */
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .site-header{position:sticky;top:0}
  .main-nav{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--white);z-index:999;padding:16px 20px;overflow-y:auto;border-top:1px solid var(--border);box-shadow:var(--shadow-lg)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav ul li a{padding:13px 16px;border-radius:var(--radius);font-size:1rem}
  .dropdown-menu{display:none!important;position:static;box-shadow:none;border:none;border-left:3px solid var(--primary-light);margin-left:16px;padding:0}
  .dropdown.mobile-open .dropdown-menu{display:flex!important}
  .dropdown-menu li a{padding:10px 16px;font-size:.9rem}
  .hero{padding:52px 0}
  .converters-grid{padding:50px 0}
  .features-section,.how-it-works,.popular-conversions{padding:50px 0}
  .grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
  .converter-box{padding:24px 16px}
  .input-group{flex-direction:column}
  .input-group>div{min-width:100%}
  .popular-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .container{padding:0 14px}
  .grid{grid-template-columns:1fr 1fr}
  .popular-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.7rem}
  .logo-text{font-size:17px}
  .logo-img{height:30px}
}