:root{--bg:#03060a;--surface:#070c14;--card:#0c1322;--blue:#3b82f6;--cyan:#06b6d4;--yellow:#facc15;--white:#f1f5f9;--gray:#94a3b8;--border:rgba(59,130,246,0.15)}
*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--white);line-height:1.7}a{color:var(--cyan);text-decoration:none;transition:.2s}a:hover{color:var(--yellow)}

/* Top Banner */
.banner{background:linear-gradient(90deg,var(--blue),var(--cyan));padding:10px 20px;text-align:center;font-size:13px;font-weight:600}
.banner a{color:#000;text-decoration:underline}

/* Header - CK999 Style */
.hdr{background:var(--surface);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border)}
.hdr-in{max-width:1400px;margin:0 auto;padding:15px 20px;display:flex;align-items:center}

/* Logo - Left */
.logo{font-size:32px;font-weight:900;flex-shrink:0}
.logo .o1{color:var(--blue)}.logo .o2{color:var(--cyan)}.logo .ph{color:var(--yellow)}

/* Nav - Center (like CK999) */
.nav{display:flex;gap:8px;flex:1;justify-content:center}
.nav a{color:var(--gray);font-size:18px;font-weight:500;padding:8px 15px;display:block;transition:.2s}
.nav a:hover{color:var(--white)}
.nav a.on{color:var(--cyan)}

/* Header Buttons - CK999 EXACT SIZES */
/* Desktop: width:120px, padding:8px 5px, font-weight:500, border-radius:10px */
.hdr-btn{display:flex;gap:20px;flex-shrink:0}
.btn{
    border-radius:10px;
    font-weight:500;
    cursor:pointer;
    transition:all 0.14s ease-out;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    text-decoration:none;
    white-space:nowrap;
    text-align:center;
    border:none
}
/* Primary button (filled) - Sign Up style */
.btn-s{
    background-color:var(--yellow);
    color:#fff;
    width:120px;
    padding:8px 5px;
    font-size:15px
}
.btn-s:hover{color:#000}

/* Secondary button (outline) - Download style */
.btn-g{
    background-color:transparent;
    color:var(--yellow);
    border:2px solid var(--yellow);
    width:120px;
    padding:8px 5px;
    font-size:15px
}
.btn-g:hover{color:#fff}

/* Burger - Hidden on desktop, shown on mobile */
.m-btn{display:none;background:none;border:none;color:var(--gray);font-size:24px;cursor:pointer;padding:8px}

/* Hero */
.hero{padding:80px 20px;background:linear-gradient(180deg,var(--surface) 0%,var(--bg) 100%);text-align:center}
.hero-in{max-width:900px;margin:0 auto}
.hero .badge{display:inline-flex;align-items:center;gap:8px;background:rgba(6,182,212,0.1);border:1px solid rgba(6,182,212,0.3);padding:6px 14px;border-radius:20px;font-size:11px;color:var(--cyan);margin-bottom:20px}
.hero .badge span{background:var(--yellow);color:#000;padding:2px 8px;border-radius:10px;font-size:9px;font-weight:700}
.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.15;margin-bottom:20px}
.hero h1 b{background:linear-gradient(135deg,var(--cyan),var(--yellow));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:var(--gray);font-size:17px;margin-bottom:30px;max-width:700px;margin-left:auto;margin-right:auto}
.hero .acts{display:flex;gap:14px;justify-content:center;margin-bottom:40px}
.hero .stats{display:flex;gap:40px;justify-content:center;flex-wrap:wrap}
.hero .stat{text-align:center}
.hero .stat-v{font-size:28px;font-weight:800;color:var(--cyan)}
.hero .stat-l{font-size:11px;color:var(--gray);text-transform:uppercase}

/* Sections */
.section{padding:60px 20px}
.section:nth-child(even){background:var(--surface)}
.section:nth-child(odd){background:var(--bg)}
.section-in{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.section.reverse .section-in{direction:rtl}
.section.reverse .section-in > *{direction:ltr}
.section-img{border-radius:16px;overflow:hidden;border:1px solid var(--border)}
.section-img img{width:100%;display:block}
.section-txt h2{font-size:28px;margin-bottom:16px;color:var(--cyan)}
.section-txt p{color:var(--gray);margin-bottom:16px;font-size:15px}
.section-txt ul{margin:16px 0 20px 20px;color:var(--gray)}
.section-txt li{margin-bottom:8px}
.section-txt li strong{color:var(--yellow)}
.section-txt .btns{display:flex;gap:12px;margin-top:20px}

/* Full Width Section */
.section-full{padding:60px 20px;text-align:center}
.section-full .inner{max-width:900px;margin:0 auto}
.section-full h2{font-size:32px;margin-bottom:16px}
.section-full p{color:var(--gray);margin-bottom:30px}

/* Cards */
.cards-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:0 20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px;text-align:center;transition:.3s}
.card:hover{border-color:var(--cyan);transform:translateY(-4px)}
.card-ico{font-size:40px;margin-bottom:14px}
.card h3{font-size:16px;margin-bottom:10px}
.card p{color:var(--gray);font-size:13px}

/* Data Box */
.data-box{max-width:700px;margin:30px auto;background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;text-align:left}
.data-box-head{background:linear-gradient(90deg,rgba(59,130,246,0.1),rgba(6,182,212,0.1));padding:14px 24px;font-weight:700;font-size:15px;border-bottom:1px solid var(--border);text-align:center}
.data-row{display:flex;padding:14px 24px;border-bottom:1px solid var(--border)}
.data-row:last-child{border-bottom:none}
.data-row .k{flex:0 0 180px;color:var(--gray);font-size:14px}
.data-row .v{flex:1;font-weight:600;font-size:14px}

/* Reviews */
.reviews{padding:60px 20px;background:var(--surface)}
.reviews h2{text-align:center;font-size:32px;margin-bottom:30px}
.reviews-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px;text-align:left}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{width:44px;height:44px;background:linear-gradient(135deg,var(--blue),var(--cyan));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.review-info h4{font-size:14px}.review-info span{font-size:11px;color:var(--gray)}
.review-stars{color:var(--yellow);font-size:12px;margin-bottom:10px}
.review p{font-size:13px;color:var(--gray);line-height:1.6}

/* Steps */
.steps{padding:60px 20px;background:var(--bg)}
.steps h2{text-align:center;font-size:32px;margin-bottom:40px}
.steps-row{max-width:900px;margin:0 auto;display:flex;justify-content:space-between;position:relative}
.steps-row::before{content:'';position:absolute;top:30px;left:15%;right:15%;height:2px;background:var(--border)}
.step{flex:1;text-align:center;position:relative;z-index:1}
.step-num{width:60px;height:60px;background:var(--card);border:2px solid var(--blue);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:var(--cyan);margin:0 auto 16px}
.step h4{font-size:14px;margin-bottom:6px}
.step p{font-size:12px;color:var(--gray);max-width:150px;margin:0 auto}

/* Auth */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:80px 20px;background:var(--surface)}
.auth-box{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:40px;width:100%;max-width:400px;text-align:center}
.auth-box .icon{font-size:50px;margin-bottom:16px}
.auth-box h1{font-size:24px;margin-bottom:8px}
.auth-box .sub{color:var(--gray);margin-bottom:24px}
.auth-box .btns{display:flex;flex-direction:column;gap:12px}
.auth-box .btns .btn{width:100%}
.auth-box .help{color:var(--gray);font-size:11px;margin-top:16px}

/* Footer */
.ftr{background:var(--surface);border-top:1px solid var(--border);padding:50px 20px 30px}
.ftr-in{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.ftr-brand p{color:var(--gray);font-size:12px;margin-top:12px}
.ftr-col h5{color:var(--yellow);font-size:10px;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:14px}
.ftr-col a{display:block;color:var(--gray);font-size:12px;margin-bottom:8px}
.ftr-btm{max-width:1100px;margin:30px auto 0;text-align:center;padding-top:24px;border-top:1px solid var(--border)}
.ftr-btm p{color:var(--gray);font-size:11px}
.warn{display:inline-block;background:rgba(59,130,246,0.08);border:1px solid rgba(59,130,246,0.2);padding:12px 20px;border-radius:8px;font-size:10px;color:var(--gray);margin-top:12px}

/* =====================
   RESPONSIVE - CK999 STYLE
   ===================== */

@media(max-width:1024px){
    .nav{gap:4px}
    .nav a{font-size:16px;padding:8px 10px}
    .section-in{grid-template-columns:1fr}
    .section.reverse .section-in{direction:ltr}
    .section-img{max-width:500px;margin:0 auto 30px}
    .cards-grid{grid-template-columns:repeat(2,1fr)}
    .reviews-grid{grid-template-columns:1fr}
    .ftr-in{grid-template-columns:repeat(2,1fr)}
}

/* MOBILE 767px - CK999 exact sizes */
@media(max-width:767px){
    .banner{font-size:11px;padding:8px 12px}
    
    /* Header layout: [Logo 33%] [Nav 50px] [Buttons 33%] */
    .hdr-in{
        padding:10px 12px;
        gap:3px
    }
    
    /* Logo */
    .logo{
        font-size:24px;
        width:33%;
        order:1
    }
    
    /* Nav collapses - width:50px as in CK999 */
    .nav{
        width:50px;
        order:2;
        justify-content:flex-end
    }
    
    /* Hide nav links, show burger trigger */
    .nav a{display:none}
    
    /* Burger visible */
    .m-btn{
        display:flex;
        order:2
    }
    
    /* Buttons - CK999 mobile: padding:5px 15px, font-size:14px, width:100px */
    .hdr-btn{
        display:flex !important;
        gap:10px;
        width:33%;
        justify-content:flex-end;
        order:3;
        margin:0
    }
    .hdr-btn .btn{
        padding:5px 15px;
        font-size:14px;
        width:100px;
        text-transform:capitalize
    }
    
    /* Mobile nav dropdown */
    .nav-mobile{
        display:none;
        position:absolute;
        top:100%;
        left:0;
        right:0;
        background:var(--surface);
        flex-direction:column;
        border-bottom:1px solid var(--border)
    }
    .nav-mobile.on{display:flex}
    .nav-mobile a{padding:16px 20px;border-bottom:1px solid var(--border);display:block}
    
    /* Hero mobile */
    .hero{padding:50px 16px}
    .hero h1{font-size:28px}
    .hero p{font-size:15px}
    .hero .acts{flex-direction:column;align-items:center;gap:10px}
    .hero .acts .btn{width:100%;max-width:280px}
    .hero .stats{gap:20px}
    .hero .stat-v{font-size:24px}
    
    /* Sections */
    .section{padding:40px 16px}
    .section-txt h2{font-size:24px}
    .section-txt .btns{flex-direction:column}
    .section-txt .btns .btn{width:100%}
    
    .steps-row{flex-direction:column;gap:30px}
    .steps-row::before{display:none}
    .cards-grid{grid-template-columns:1fr;padding:0 16px}
    .data-row{flex-direction:column;gap:6px}
    .data-row .k{flex:none;font-weight:600}
    .ftr-in{grid-template-columns:1fr;text-align:center}
}

@media(max-width:400px){
    .hdr-btn .btn{
        white-space:wrap
    }
}