:root{--bg:#003a3e;--bg-header-start:#002a2d;--bg-header-end:#004A4F;--bg-footer:#002a2d;--bg-card:#004A4F;--bg-surf:#0b5a60;--bg-surf2:#2F8F9C;--accent:#E64A48;--accent-hover:#cf3a38;--accent2:#f06a68;--brand:#2F8F9C;--brand-dark:#004A4F;--brand-light:#4fb3c1;--danger:#E64A48;--text:#ffffff;--text2:#cde4e6;--text3:#8fb5b9;--text-dark:#002a2d;--border:rgba(255,255,255,.10);--border-strong:rgba(255,255,255,.18);--shadow:0 4px 12px rgba(0,0,0,.35);--shadow-lg:0 8px 24px rgba(0,0,0,.45);--shadow-glow:0 0 20px rgba(230,74,72,.35);--gradient-cta:linear-gradient(135deg,#E64A48 0%,#cf3a38 100%);--gradient-header:linear-gradient(180deg,#002a2d 0%,#004A4F 100%);--gradient-brand:linear-gradient(135deg,#004A4F 0%,#2F8F9C 100%);--radius:12px;--radius-btn:999px;--header-h:70px;--font:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
@media (max-width:1023px){:root{--header-h:60px}}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:var(--header-h);scroll-behavior:smooth}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;padding-top:var(--header-h);background:var(--bg);color:var(--text2);font-family:var(--font);font-size:16px;line-height:1.7}
body.menu-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-light)}
a:hover{color:#fff}
p,li,td,th,h1,h2,h3,a{overflow-wrap:anywhere}
h1,h2,h3{color:var(--text);line-height:1.25;font-weight:800}
h1{font-size:clamp(1.6rem,6vw,2.6rem);margin:28px 0 14px}
h2{font-size:clamp(1.35rem,4.2vw,2rem);margin:0 0 14px}
h3{font-size:clamp(1.1rem,3.2vw,1.35rem);margin:24px 0 10px;color:var(--brand-light)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (max-width:360px){.container{padding:0 12px}}

/* Header */
header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:var(--bg-header-start);border-bottom:2px solid var(--brand);box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1280px;margin:0 auto;padding:0 16px;height:100%}
.logo-link{flex-shrink:0}
.logo-img{height:40px;width:auto;display:block}
nav.main-nav{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
nav.main-nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
nav.main-nav a{color:var(--text);text-decoration:none;font-weight:700;white-space:nowrap;font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
nav.main-nav a:hover,nav.main-nav a.active{border-bottom-color:var(--accent);color:#fff}
.header-btns{display:flex;gap:8px;flex-shrink:0}
.play-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;text-decoration:none;font-weight:800;font-size:15px;padding:10px 20px;border-radius:var(--radius-btn);transition:.2s;line-height:1.2;text-align:center}
.reg-btn{background:var(--gradient-cta);color:#fff;box-shadow:var(--shadow-glow);border:2px solid transparent}
.reg-btn:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px)}
.login-btn{background:transparent;color:var(--brand-light);border:2px solid var(--brand-light)}
.login-btn:hover{background:var(--brand-light);color:var(--text-dark)}
.play-btn svg{width:20px;height:20px;fill:currentColor;flex-shrink:0}
.burger-btn{display:none;width:44px;height:44px;flex-shrink:0;background:transparent;border:1px solid var(--border-strong);border-radius:var(--radius);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.burger-btn span{display:block;width:22px;height:2px;background:#fff;transition:.25s}
.burger-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger-btn.open span:nth-child(2){opacity:0}
.burger-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:fixed;top:var(--header-h);right:0;width:100%;max-width:320px;max-height:calc(100vh - var(--header-h));overflow-y:auto;background:var(--bg-card);border-left:1px solid var(--border-strong);box-shadow:var(--shadow-lg);transform:translateX(100%);transition:transform .25s;z-index:999;visibility:hidden}
.mobile-menu.open{transform:none;visibility:visible}
.mobile-menu ul{list-style:none;margin:0;padding:8px 0}
.mobile-menu a{display:block;padding:14px 20px;color:#fff;text-decoration:none;font-weight:700;border-bottom:1px solid var(--border)}
.mobile-menu a:hover{background:var(--bg-surf)}
@media (max-width:1023px){
 nav.main-nav{display:none}
 .burger-btn{display:flex}
 .header-inner{gap:8px;padding:0 12px}
 .logo-img{height:36px}
 .header-btns{flex:1 1 auto;min-width:0;justify-content:center;gap:6px}
}
@media (max-width:480px){.header-btns .play-btn{padding:8px 12px;font-size:13px}}
@media (max-width:360px){.logo-img{height:28px}.header-btns{gap:4px}.header-btns .play-btn{padding:6px 8px;font-size:12px}}

/* Progress bar */
.read-progress{position:fixed;top:var(--header-h);left:0;height:3px;width:0;background:var(--gradient-cta);z-index:1001}

/* Hero */
.hero{padding:8px 0 8px}
.hero-card{background:var(--bg-card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.hero-card img{border-radius:calc(var(--radius) - 4px);width:100%}
.hero-btns{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;margin:24px auto;width:100%;text-align:center}
.hero-btns .play-btn{padding:14px 30px;font-size:16px}
@media (max-width:480px){.hero-btns{flex-direction:column}.hero-btns .play-btn{width:100%;max-width:320px;white-space:normal}}

/* Sections */
main section{padding:34px 0;border-top:1px solid var(--border)}
main section:first-child{border-top:0}
.section-img{border-radius:var(--radius);margin:6px 0 18px;box-shadow:var(--shadow);width:100%}
.card{background:var(--bg-card);border-left:4px solid var(--accent);border-radius:var(--radius);padding:16px;margin:16px 0}
.card p:last-child{margin-bottom:0}
ul,ol{padding-left:22px}
li{margin:6px 0}
li::marker{color:var(--accent)}
.grid-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:16px 0}
.grid-list li{background:var(--bg-card);border-left:4px solid var(--accent);border-radius:var(--radius);padding:14px;margin:0;min-width:0}
.grid-list li strong{display:block;color:#fff;margin-bottom:4px}
.grid-list.two{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:768px){.grid-list,.grid-list.two{grid-template-columns:1fr}}
strong{color:#fff}

/* Tables */
.table-wrapper{width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:16px 0;border-radius:var(--radius);border:1px solid var(--border-strong)}
.table-wrapper table{width:100%;min-width:560px;border-collapse:collapse}
.table-wrapper td,.table-wrapper th{white-space:nowrap;padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}
.table-wrapper th{background:var(--brand);color:#fff;font-weight:800}
.table-wrapper tr:last-child td{border-bottom:0}
.table-wrapper td:first-child{color:#fff;font-weight:700}
.feat td:first-child .ico{display:inline-flex;width:26px;height:26px;border-radius:50%;background:var(--bg-surf2);align-items:center;justify-content:center;margin-right:10px;font-size:14px;vertical-align:middle}

/* Steps widget */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:8px 0 0;list-style:none;padding:0}
.steps li{background:var(--bg-card);border-radius:var(--radius);padding:18px;margin:0;text-align:center;min-width:0}
.steps .num{display:flex;width:44px;height:44px;margin:0 auto 10px;border-radius:50%;background:var(--gradient-cta);color:#fff;font-weight:800;font-size:20px;align-items:center;justify-content:center;box-shadow:var(--shadow-glow)}
.steps strong{display:block}
@media (max-width:768px){.steps{grid-template-columns:1fr}}

/* FAQ */
.faq details{background:var(--bg-card);border-radius:var(--radius);margin:10px 0;border:1px solid var(--border)}
.faq summary{cursor:pointer;padding:16px 44px 16px 16px;font-weight:800;color:#fff;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:24px}
.faq details[open] summary::after{content:'−'}
.faq details p{margin:0;padding:0 16px 16px}
.faq h3{display:inline;font-size:inherit;color:inherit;margin:0}

/* Final CTA */
.final-cta{background:var(--gradient-brand);border-radius:var(--radius);padding:30px 18px;text-align:center;margin:10px 0 40px;box-shadow:var(--shadow-lg)}
.final-cta h2{margin-top:0}
.final-cta .hero-btns{margin-bottom:0}

/* 404 */
.e404{text-align:center;padding:60px 0}
.e404 .code{font-size:clamp(5rem,22vw,9rem);font-weight:800;color:var(--accent);line-height:1;text-shadow:var(--shadow-glow)}

/* Footer */
footer{background:var(--bg-footer);border-top:2px solid var(--brand);padding:36px 0 20px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.footer-grid h4{color:#fff;margin:0 0 10px;font-size:15px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid a{color:var(--text2);text-decoration:none}
.footer-grid a:hover{color:#fff}
.badge18{display:inline-flex;width:42px;height:42px;border-radius:50%;border:2px solid var(--accent);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:8px}
.footer-bottom{border-top:1px solid var(--border);margin-top:24px;padding-top:16px;color:var(--text3);text-align:left}
@media (max-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* Back to top */
.to-top{position:fixed;right:16px;bottom:16px;width:46px;height:46px;border-radius:50%;background:var(--gradient-cta);color:#fff;border:0;font-size:22px;cursor:pointer;box-shadow:var(--shadow-glow);opacity:0;visibility:hidden;transition:.25s;z-index:900}
.to-top.show{opacity:1;visibility:visible}
@media (max-width:768px){.play-btn.cta-wide{width:100%;max-width:100%;white-space:normal}}