:root{
    --by-primary:#0f172a;
    --by-secondary:#1e293b;
    --by-accent:#f97316;
    --by-text:#1f2937;
    --by-muted:#64748b;
    --by-bg:#f8fafc;
    --by-white:#ffffff;
    --by-border:#e2e8f0;
    --by-shadow:0 12px 35px rgba(15,23,42,.08);
    --by-radius:24px;
    --by-transition:all .30s ease;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:Inter,sans-serif;
    background:var(--by-bg);
    color:var(--by-text);
    line-height:1.7;
    overflow-x:hidden;
}

img{
    max-width:100%;
    display:block;
}

a{
    text-decoration:none;
}

.by-page{
    width:100%;
    overflow:hidden;
}

.by-container{
    width:min(1280px, calc(100% - 40px));
    margin:auto;
}

/* =========================================
   HERO
========================================= */

.by-hero{
    position:relative;
    padding:110px 0 90px;
    background:
    linear-gradient(135deg,#eff6ff 0%,#ffffff 50%,#fff7ed 100%);
    overflow:hidden;
}

.by-hero::before{
    content:"";
    position:absolute;
    width:520px;
    height:520px;
    background:rgba(249,115,22,.10);
    border-radius:50%;
    top:-240px;
    right:-120px;
    filter:blur(25px);
}

.by-hero-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:center;
}

.by-badge{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:10px 18px;
    border-radius:999px;
    background:rgba(249,115,22,.12);
    color:var(--by-accent);
    font-size:.90rem;
    font-weight:700;
    margin-bottom:26px;
}

.by-hero-content h1{
    font-size:clamp(2.8rem,5vw,4.6rem);
    line-height:1.1;
    color:var(--by-primary);
    margin-bottom:24px;
    font-weight:800;
}

.by-hero-content p{
    font-size:1.10rem;
    color:var(--by-muted);
    margin-bottom:36px;
    max-width:620px;
}

.by-hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:16px;
}

.by-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:56px;
    padding:0 28px;
    border-radius:16px;
    font-weight:700;
    transition:var(--by-transition);
}

.by-btn-primary{
    background:var(--by-accent);
    color:#fff;
    box-shadow:0 15px 35px rgba(249,115,22,.28);
}

.by-btn-primary:hover{
    transform:translateY(-4px);
}

.by-btn-outline{
    background:#fff;
    color:var(--by-primary);
    border:1px solid rgba(15,23,42,.10);
}

.by-btn-outline:hover{
    background:var(--by-primary);
    color:#fff;
}

.by-btn-light{
    background:#fff;
    color:var(--by-primary);
}

.by-hero-image img{
    width:100%;
    border-radius:34px;
    box-shadow:0 30px 70px rgba(15,23,42,.18);
}

/* =========================================
   SECTION
========================================= */

.by-section{
    padding:95px 0;
}

.by-section-head{
    text-align:center;
    max-width:860px;
    margin:0 auto 60px;
}

.by-section-head span{
    display:inline-block;
    color:var(--by-accent);
    font-weight:700;
    margin-bottom:14px;
    text-transform:uppercase;
    letter-spacing:.08em;
    font-size:.85rem;
}

.by-section-head h2{
    font-size:clamp(2rem,4vw,3.2rem);
    line-height:1.2;
    color:var(--by-primary);
    margin-bottom:18px;
    font-weight:800;
}

.by-section-head p{
    color:var(--by-muted);
    font-size:1.05rem;
}

/* =========================================
   GRID
========================================= */

.by-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:28px;
}

.by-card{
    background:#fff;
    border-radius:30px;
    padding:36px;
    border:1px solid var(--by-border);
    box-shadow:var(--by-shadow);
    transition:var(--by-transition);
}

.by-card:hover{
    transform:translateY(-10px);
}

.by-card strong{
    display:flex;
    align-items:center;
    justify-content:center;
    width:66px;
    height:66px;
    border-radius:18px;
    background:rgba(249,115,22,.12);
    color:var(--by-accent);
    font-size:1.35rem;
    margin-bottom:24px;
}

.by-card h3{
    font-size:1.35rem;
    color:var(--by-primary);
    margin-bottom:16px;
}

.by-card p{
    color:var(--by-muted);
    font-size:1rem;
}

/* =========================================
   INFO
========================================= */

.by-info{
    padding:95px 0;
    background:#fff;
}

.by-info-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:center;
}

.by-info-grid img{
    border-radius:32px;
    box-shadow:var(--by-shadow);
}

.by-mini-title{
    display:inline-block;
    color:var(--by-accent);
    font-weight:700;
    margin-bottom:18px;
    text-transform:uppercase;
    letter-spacing:.08em;
}

.by-info h2{
    font-size:clamp(2rem,4vw,3rem);
    line-height:1.2;
    margin-bottom:24px;
    color:var(--by-primary);
}

.by-list{
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:18px;
}

.by-list li{
    position:relative;
    padding-left:34px;
    color:var(--by-text);
    font-weight:500;
}

.by-list li::before{
    content:"✓";
    position:absolute;
    left:0;
    top:0;
    color:var(--by-accent);
    font-weight:800;
}

/* =========================================
   CONTENT BOX
========================================= */

.by-content-box{
    background:#fff;
    border-radius:30px;
    padding:50px;
    border:1px solid var(--by-border);
    box-shadow:var(--by-shadow);
}

.by-content-box p{
    color:var(--by-muted);
    margin-bottom:24px;
    font-size:1.05rem;
}

.by-content-box p:last-child{
    margin-bottom:0;
}

/* =========================================
   CTA
========================================= */

.by-cta{
    position:relative;
    padding:100px 0;
    background:
    linear-gradient(135deg,#0f172a 0%,#1e293b 100%);
    text-align:center;
    overflow:hidden;
}

.by-cta::before{
    content:"";
    position:absolute;
    inset:0;
    background:
    radial-gradient(circle at top right,
    rgba(249,115,22,.18),
    transparent 35%);
}

.by-cta .by-container{
    position:relative;
    z-index:2;
}

.by-cta h2{
    color:#fff;
    font-size:clamp(2rem,4vw,3.2rem);
    margin-bottom:20px;
    font-weight:800;
}

.by-cta p{
    color:rgba(255,255,255,.75);
    max-width:760px;
    margin:0 auto 36px;
    font-size:1.08rem;
}

/* =========================================
   RESPONSIVE
========================================= */

@media (max-width:1100px){

    .by-hero-grid,
    .by-info-grid{
        grid-template-columns:1fr;
    }

    .by-grid{
        grid-template-columns:repeat(2,1fr);
    }

    .by-hero-content{
        order:2;
    }

    .by-hero-image{
        order:1;
    }
}

@media (max-width:768px){

    .by-hero{
        padding:80px 0 60px;
    }

    .by-section,
    .by-info,
    .by-cta{
        padding:70px 0;
    }

    .by-grid{
        grid-template-columns:1fr;
    }

    .by-card{
        padding:30px;
    }

    .by-content-box{
        padding:34px 26px;
    }

    .by-hero-actions{
        flex-direction:column;
    }

    .by-btn{
        width:100%;
    }

    .by-container{
        width:min(100% - 24px, 1280px);
    }
}

@media (max-width:480px){

    .by-hero-content h1{
        font-size:2.3rem;
    }

    .by-section-head h2,
    .by-info h2,
    .by-cta h2{
        font-size:2rem;
    }

    .by-card{
        border-radius:24px;
    }

    .by-hero-image img,
    .by-info-grid img{
        border-radius:24px;
    }
}