:root{
    --gmh-primary:#0f172a;
    --gmh-secondary:#1e293b;
    --gmh-accent:#ff7a00;
    --gmh-text:#1f2937;
    --gmh-light:#f8fafc;
    --gmh-border:#e5e7eb;
    --gmh-success:#10b981;
    --gmh-white:#ffffff;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:Inter,sans-serif;
    background:#fff;
    color:var(--gmh-text);
    line-height:1.7;
}

.container{
    width:100%;
    max-width:1280px;
    margin:auto;
    padding-left:20px;
    padding-right:20px;
}

/* =====================================================
   HERO
===================================================== */

.gmh-hero{
    position:relative;
    overflow:hidden;
    padding:90px 0;
    background:
    linear-gradient(135deg,#0f172a 0%,#111827 100%);
}

.gmh-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:
    radial-gradient(circle at top right,
    rgba(255,122,0,.18),
    transparent 35%);
}

.gmh-hero-grid{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:center;
}

.gmh-badge{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:10px 18px;
    border-radius:999px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.12);
    color:#fff;
    font-size:14px;
    margin-bottom:25px;
    backdrop-filter:blur(10px);
}

.gmh-hero h1{
    font-size:58px;
    line-height:1.1;
    color:#fff;
    margin-bottom:25px;
    font-weight:800;
}

.gmh-desc{
    font-size:20px;
    color:rgba(255,255,255,.78);
    margin-bottom:35px;
    max-width:700px;
}

.gmh-features{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px;
}

.gmh-feature{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.08);
    padding:16px 18px;
    border-radius:18px;
    color:#fff;
    font-weight:600;
    backdrop-filter:blur(8px);
}

.gmh-hero-image img{
    width:100%;
    border-radius:28px;
    display:block;
    box-shadow:
    0 25px 60px rgba(0,0,0,.35);
}

/* =====================================================
   CALCULATOR
===================================================== */

.gmh-calculator-area{
    position:relative;
    margin-top:-60px;
    z-index:5;
    padding-bottom:80px;
}

.gmh-wrapper{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:30px;
    align-items:start;
}

.gmh-card,
.gmh-result-card{
    background:#fff;
    border-radius:28px;
    padding:35px;
    box-shadow:
    0 15px 45px rgba(15,23,42,.08);
    border:1px solid rgba(226,232,240,.8);
}

.gmh-card-header{
    margin-bottom:30px;
}

.gmh-card-header h2{
    font-size:32px;
    color:var(--gmh-primary);
    margin-bottom:10px;
}

.gmh-card-header p{
    color:#64748b;
    font-size:16px;
}

.gmh-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
}

.gmh-form-group{
    display:flex;
    flex-direction:column;
}

.gmh-form-group label{
    font-size:15px;
    font-weight:700;
    color:var(--gmh-primary);
    margin-bottom:10px;
}

.gmh-form-group input,
.gmh-form-group select{
    width:100%;
    height:58px;
    border-radius:16px;
    border:1px solid var(--gmh-border);
    background:#fff;
    padding:0 18px;
    font-size:16px;
    outline:none;
    transition:.25s ease;
}

.gmh-form-group input:focus,
.gmh-form-group select:focus{
    border-color:var(--gmh-accent);
    box-shadow:0 0 0 4px rgba(255,122,0,.12);
}

.gmh-result-header{
    margin-bottom:25px;
}

.gmh-result-header h3{
    font-size:28px;
    color:var(--gmh-primary);
}

.gmh-result-list{
    display:flex;
    flex-direction:column;
    gap:16px;
}

.gmh-result-item{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
    padding:18px 20px;
    border-radius:18px;
    background:#f8fafc;
}

.gmh-result-item span{
    font-size:15px;
    color:#64748b;
    font-weight:600;
}

.gmh-result-item strong{
    font-size:22px;
    color:var(--gmh-primary);
}

.gmh-result-item.highlight{
    background:
    linear-gradient(135deg,#ff7a00 0%,#ff9d42 100%);
}

.gmh-result-item.highlight span,
.gmh-result-item.highlight strong{
    color:#fff;
}

/* =====================================================
   CONTENT
===================================================== */

.gmh-content{
    padding:40px 0 90px;
}

.gmh-content-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:30px;
}

.gmh-content-box{
    background:#fff;
    border-radius:28px;
    overflow:hidden;
    border:1px solid #edf2f7;
    box-shadow:
    0 10px 35px rgba(15,23,42,.05);
    transition:.3s ease;
}

.gmh-content-box:hover{
    transform:translateY(-6px);
}

.gmh-content-box img{
    width:100%;
    height:260px;
    object-fit:cover;
    display:block;
}

.gmh-content-box h2{
    padding:28px 28px 14px;
    font-size:28px;
    color:var(--gmh-primary);
}

.gmh-content-box p{
    padding:0 28px 32px;
    color:#475569;
    font-size:16px;
}

/* =====================================================
   SEO
===================================================== */

.gmh-seo{
    padding-bottom:100px;
}

.gmh-seo-box{
    background:
    linear-gradient(135deg,#0f172a 0%,#111827 100%);
    padding:60px;
    border-radius:32px;
    color:#fff;
    position:relative;
    overflow:hidden;
}

.gmh-seo-box::before{
    content:'';
    position:absolute;
    width:420px;
    height:420px;
    border-radius:50%;
    background:rgba(255,122,0,.08);
    top:-180px;
    right:-140px;
}

.gmh-seo-box h2{
    position:relative;
    z-index:2;
    font-size:42px;
    margin-bottom:22px;
}

.gmh-seo-box p{
    position:relative;
    z-index:2;
    color:rgba(255,255,255,.78);
    font-size:18px;
    max-width:900px;
}

/* =====================================================
   RESPONSIVE
===================================================== */

@media(max-width:1100px){

    .gmh-hero-grid,
    .gmh-wrapper{
        grid-template-columns:1fr;
    }

    .gmh-hero{
        padding:70px 0;
    }

    .gmh-hero h1{
        font-size:48px;
    }

    .gmh-calculator-area{
        margin-top:0;
        padding-top:50px;
    }
}

@media(max-width:768px){

    .gmh-hero{
        padding:60px 0 50px;
    }

    .gmh-hero h1{
        font-size:36px;
    }

    .gmh-desc{
        font-size:17px;
    }

    .gmh-grid,
    .gmh-content-grid,
    .gmh-features{
        grid-template-columns:1fr;
    }

    .gmh-card,
    .gmh-result-card{
        padding:24px;
        border-radius:22px;
    }

    .gmh-card-header h2{
        font-size:26px;
    }

    .gmh-result-header h3{
        font-size:24px;
    }

    .gmh-result-item{
        flex-direction:column;
        align-items:flex-start;
    }

    .gmh-result-item strong{
        font-size:24px;
    }

    .gmh-content-box h2{
        font-size:24px;
    }

    .gmh-seo-box{
        padding:35px 25px;
    }

    .gmh-seo-box h2{
        font-size:30px;
    }

    .gmh-seo-box p{
        font-size:16px;
    }
}

@media(max-width:480px){

    .container{
        padding-left:14px;
        padding-right:14px;
    }

    .gmh-hero h1{
        font-size:31px;
    }

    .gmh-feature{
        font-size:14px;
    }

    .gmh-form-group input,
    .gmh-form-group select{
        height:54px;
        font-size:15px;
    }

    .gmh-content-box img{
        height:220px;
    }
}