:root{
  --bg:#0a1124; --bg2:#0f1a36; --card:#13203f; --line:#22335c;
  --txt:#eaf0ff; --mut:#9fb0d4; --pri:#1e90ff; --pri2:#00d4ff; --accent:#00e0a4;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:820px}

/* botões */
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;font-weight:700;padding:12px 22px;border-radius:30px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s;font-size:1rem}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(30,144,255,.4)}
.btn-lg{padding:15px 32px;font-size:1.1rem}
.btn-sm{padding:8px 16px;font-size:.9rem}
.btn-block{width:100%;justify-content:center;margin-top:14px}
.btn-ghost{background:transparent;border:2px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.1);box-shadow:none}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,17,36,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:1.25rem;color:#fff}
.brand i{color:var(--pri2);margin-right:6px}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{color:var(--mut);font-weight:600}
.nav-links a:hover{color:#fff}
.nav-links .btn{color:#fff}

/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,17,36,.7),rgba(10,17,36,.92))}
.hero-content{position:relative;z-index:2;text-align:center;padding:60px 20px}
.hero-content h1{font-size:3.2rem;font-weight:800;line-height:1.1;margin-bottom:18px;text-shadow:0 2px 20px rgba(0,0,0,.6)}
.hero-content p{font-size:1.25rem;color:var(--mut);max-width:760px;margin:0 auto 28px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.stats{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.stat{background:rgba(19,32,63,.6);border:1px solid var(--line);border-radius:14px;padding:16px 26px;min-width:150px}
.stat-n{display:block;font-size:1.9rem;font-weight:800;color:var(--pri2)}
.stat-l{color:var(--mut);font-size:.92rem}

/* sections */
.section{padding:80px 0}
.section-alt{background:var(--bg2)}
.sec-title{text-align:center;font-size:2.2rem;font-weight:800;margin-bottom:8px}
.sec-sub{text-align:center;color:var(--mut);margin-bottom:48px}
.grid{display:grid;gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}

/* features */
.features{grid-template-columns:repeat(4,1fr)}
.feature{text-align:center;transition:transform .2s,border-color .2s}
.feature:hover{transform:translateY(-4px);border-color:var(--pri)}
.feature-ic{width:62px;height:62px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;background:linear-gradient(135deg,rgba(30,144,255,.2),rgba(0,212,255,.2));color:var(--pri2);font-size:1.6rem}
.feature h3{font-size:1.1rem;margin-bottom:8px}
.feature p{color:var(--mut);font-size:.93rem}

/* tabs + plans */
.tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.tab{background:var(--card);border:1px solid var(--line);color:var(--mut);font-weight:700;padding:11px 22px;border-radius:30px;cursor:pointer;transition:.15s}
.tab:hover{color:#fff}
.tab.active{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;border-color:transparent}
.plan-panel{display:none}
.plan-panel.active{display:block}
.plans{grid-template-columns:repeat(4,1fr)}
.plan{position:relative;text-align:center;transition:transform .2s,border-color .2s}
.plan:hover{transform:translateY(-4px);border-color:var(--pri)}
.plan-pop{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:#04221a;font-weight:800;font-size:.72rem;padding:4px 12px;border-radius:20px;letter-spacing:.5px}
.plan-dur{color:var(--mut);font-weight:700;text-transform:uppercase;letter-spacing:1px;font-size:.85rem;margin-bottom:8px}
.plan-price{font-size:2.6rem;font-weight:800;color:#fff}
.plan-price .cur{font-size:1.3rem;vertical-align:top;color:var(--pri2);margin-right:2px}
.plan-dev{color:var(--pri2);font-weight:600;margin-bottom:16px}
.plan-feat{list-style:none;text-align:left;margin:0 0 6px;font-size:.9rem}
.plan-feat li{padding:6px 0;color:var(--mut);border-bottom:1px solid var(--line)}
.plan-feat i{color:var(--accent);margin-right:8px}
.plans-note{text-align:center;color:var(--mut);margin-top:30px}
.plans-note a{color:var(--pri2);font-weight:700}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;background:var(--card)}
.faq-q{width:100%;text-align:left;background:none;border:0;color:#fff;font-weight:700;font-size:1.02rem;padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q i{transition:transform .2s;color:var(--pri2)}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s;color:var(--mut);padding:0 20px}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 18px}

/* cta */
.cta{text-align:center;padding:80px 0;background:linear-gradient(135deg,rgba(30,144,255,.15),rgba(0,212,255,.1))}
.cta h2{font-size:2.2rem;font-weight:800;margin-bottom:10px}
.cta p{color:var(--mut);margin-bottom:26px}

/* footer */
.footer{background:#070d1c;border-top:1px solid var(--line);padding:40px 0}
.footer-in{text-align:center}
.footer-soc{display:flex;gap:16px;justify-content:center;margin:18px 0;font-size:1.4rem}
.footer-soc a{color:var(--mut);transition:.15s}
.footer-soc a:hover{color:var(--pri2)}
.footer-cp{color:var(--mut);font-size:.88rem}

/* nav active */
.nav-links a.active{color:#fff}
.nav-links a.active:not(.btn){border-bottom:2px solid var(--pri2);padding-bottom:2px}

/* language switcher */
.lang-switch{position:relative}
.lang-btn{background:var(--card);border:1px solid var(--line);color:var(--mut);font-weight:600;padding:8px 14px;border-radius:30px;cursor:pointer;font-size:.9rem}
.lang-btn:hover{color:#fff}
.lang-menu{position:absolute;top:120%;right:0;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:6px;min-width:150px;display:none;flex-direction:column;z-index:60;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.lang-switch:hover .lang-menu{display:flex}
.lang-menu a{padding:8px 12px;border-radius:6px;color:var(--mut);font-weight:600}
.lang-menu a:hover{background:rgba(255,255,255,.06);color:#fff}
.lang-menu a.active{color:var(--pri2)}

/* RTL (Arabic) */
[dir=rtl] .lang-menu{right:auto;left:0}
[dir=rtl] .plan-feat{text-align:right}
[dir=rtl] .plan-feat i{margin-right:0;margin-left:8px}
[dir=rtl] .chan i{margin-right:0;margin-left:6px}
[dir=rtl] .nav-links .active:not(.btn){border-bottom:2px solid var(--pri2)}

/* sub-page header (compact video banner) */
.pagehead{position:relative;min-height:280px;display:flex;align-items:center;overflow:hidden}
.pagehead-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.pagehead-ov{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,17,36,.65),rgba(10,17,36,.9))}
.pagehead-in{position:relative;z-index:2;text-align:center;padding:50px 20px;width:100%}
.pagehead-in h1{font-size:2.6rem;font-weight:800;text-shadow:0 2px 16px rgba(0,0,0,.55)}
.pagehead-in p{color:var(--mut);font-size:1.1rem;margin-top:8px}

/* regions */
.region-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.region-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:.15s}
.region-card:hover{border-color:var(--pri);transform:translateY(-2px)}
.region-name{font-weight:700;color:#fff}
.region-cnt{color:var(--pri2);font-size:.85rem;margin-top:4px}
.chan-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px}
.chan{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:.9rem;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chan i{color:var(--pri2);margin-right:6px}

/* footer nav */
.footer-nav{display:flex;gap:20px;justify-content:center;margin:16px 0;flex-wrap:wrap}
.footer-nav a{color:var(--mut);font-weight:600}
.footer-nav a:hover{color:#fff}

@media(max-width:768px){.pagehead-in h1{font-size:1.8rem}}
@media(max-width:900px){.features,.plans{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .nav-links a:not(.btn){display:none}
  .hero-content h1{font-size:2.1rem}
  .hero-content p{font-size:1.05rem}
  .sec-title{font-size:1.7rem}
}
@media(max-width:520px){.features,.plans{grid-template-columns:1fr}}