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

body{
    font-family:Arial, Helvetica, sans-serif;
    color:#333;
    background:#fff;
    line-height:1.7;
}

.container{
    width:90%;
    max-width:1400px;
    margin:auto;
}

.section-title{
    text-align:center;
    margin-bottom:15px;
    font-size:38px;
    font-weight:700;
    color:#111;
}

.section-desc{
    text-align:center;
    max-width:900px;
    margin:0 auto 60px;
    color:#666;
    font-size:17px;
}

/* HERO */

.hero{
    height:520px;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
}

.hero::before{
    content:'';
    position:absolute;
    inset:0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
}

.hero-content{
    position:relative;
    z-index:2;
    color:#fff;
    max-width:900px;
    padding:20px;
}

.hero h1{
    font-size:56px;
    margin-bottom:25px;
    font-weight:700;
}

.hero p{
    font-size:20px;
    line-height:1.8;
}

/* COMMON SECTION */

section{
    padding:90px 0;
}

/* CERTIFICATES */

.cert-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:35px;
}

.cert-card{
    background:#fff;
    border-radius:12px;
    overflow:hidden;
    box-shadow:0 5px 25px rgba(0,0,0,0.08);
    transition:0.3s;
    text-align:center;
}

.cert-card:hover{
    transform:translateY(-8px);
}

.cert-card img{
    width:100%;
    height:auto;
}

.cert-card h3{
    padding:22px;
    font-size:18px;
    color:#222;
}

/* PATENT */

.patent-section{
    background:#1c1f26;
    color:#fff;
}

.patent-section .section-title,
.patent-section .section-desc{
    color:#fff;
}

.patent-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
}

.patent-grid img{
    width:100%;
    border-radius:10px;
    transition:0.3s;
}

.patent-grid img:hover{
    transform:scale(1.03);
}

/* HONOR */

.honor-grid{
    column-count:3;
    column-gap:25px;
}

.honor-item{
    margin-bottom:25px;
    overflow:hidden;
    border-radius:12px;
}

.honor-item img{
    width:100%;
    display:block;
    border-radius:12px;
    transition:0.3s;
}

.honor-item img:hover{
    transform:scale(1.03);
}

/* STATS */

.stats{
    background:#111;
    color:#fff;
}

.stats-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:40px;
    text-align:center;
}

.stat-box h3{
    font-size:52px;
    margin-bottom:10px;
    color:#f5b400;
}

.stat-box p{
    font-size:18px;
}

/* CTA */

.cta{
    background:#f8f8f8;
    text-align:center;
}

.cta h2{
    font-size:42px;
    margin-bottom:20px;
}

.cta p{
    max-width:800px;
    margin:0 auto 40px;
    color:#666;
    font-size:18px;
}

.cta-btn{
    display:inline-block;
    padding:16px 42px;
    background:#f5b400;
    color:#111;
    text-decoration:none;
    font-weight:700;
    border-radius:6px;
    transition:0.3s;
}

.cta-btn:hover{
    background:#111;
    color:#fff;
}

/* RESPONSIVE */

@media(max-width:992px){

    .hero h1{
        font-size:42px;
    }

    .section-title{
        font-size:32px;
    }

    .honor-grid{
        column-count:2;
    }
}

@media(max-width:768px){

    .hero{
        height:420px;
    }

    .hero h1{
        font-size:34px;
    }

    .hero p{
        font-size:17px;
    }

    .honor-grid{
        column-count:1;
    }

    .cta h2{
        font-size:32px;
    }
}