* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}
.body {
    position: relative;
}

/* Grid */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
    margin: 80px auto;
}
.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-gap: 20px;
    margin: 0 -15px;
}

/* 12 Grid */

.col-1 {
    grid-column: span 1;
}
.col-2 {
    grid-column: span 2;
}
.col-3 {
    grid-column: span 3;
}
.col-4 {
    grid-column: span 4;
}
.col-5 {
    grid-column: span 5;
}
.col-6 {
    grid-column: span 6;
}
.col-7 {
    grid-column: span 7;
}
.col-8 {
    grid-column: span 8;
}
.col-9 {
    grid-column: span 9;
}
.col-10 {
    grid-column: span 10;
}
.col-11 {
    grid-column: span 11;
}
.col-12 {
    grid-column: span 12;
}

/* Navigation */

.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: #222;
    padding: clamp(0.5rem, 1vw, 1rem);
    z-index: 1000;
}
.nav-links {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 2vw, 2rem);
    text-align: center;
}
.nav-links a {
    display: inline-block;
    color: white;
    text-decoration: none;
    padding: clamp(0.3rem, 0.8vw, 0.5rem) clamp(0.5rem, 1vw, 1rem);
    font-size: clamp(14px, 1.5vw, 18px);
    margin: 0 clamp(0.5rem, 1vw, 1rem);
    border-radius: 4px;
}
.nav-links a:hover {
    background: #555;
}
@media screen and (max-width: 768px) {
    .nav-links a {
        padding: 0.3rem 0.5rem;
        margin: 0 0.3rem;
        font-size: 10px;
    }
}

/* Big Poster */

.poster {
    height: 100vh;
    position: relative;
    text-align: center;
    background: linear-gradient(rgb(100, 100, 100), rgb(100, 100, 100));
    color: white;
    margin-bottom: 2rem;
}
.poster-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}
.poster h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}
.poster p {
    font-size: 1.2rem;
}

/* Card Part */

.card {
    border: 1px solid #000;
    padding: 1rem;
    text-align: center;
}
.card img {
    width: 70%;
    height: auto;
    margin-bottom: 1rem;
    display: block;
    margin: 0 auto 1rem;
}
.card .img-a {
    width: 180px;
    height: 250px;
    border: 1px solid #000;
    margin-bottom: 1rem;
    object-fit: fill;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* last Form Style */

.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea {
    width: 70%;
    padding: 0.5rem;
    border: 1px solid #000;
}
.button {
    display: inline-block;
    background: #222;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.button:hover {
    background: #555;
}

/* Footer */

.footer {
    bottom: 0;
    width: 100%;
    background: #333;
    color: white;
    padding: 2rem 0;
}
.footer-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px;
}
.footer-nav {
    margin-bottom: 1.5rem;
}
.footer-nav a {
    display: inline-block;
    color: white;
    text-decoration: none;
    padding: 0 1rem;
    border-right: 1px solid #555;
}
.footer-nav a:last-child {
    border-right: none;
}

/* Responsive 12 Grid */

@media (max-width: 992px) {
    .col-md-1 {
        grid-column: span 1;
    }
    .col-md-2 {
        grid-column: span 2;
    }
    .col-md-3 {
        grid-column: span 3;
    }
    .col-md-4 {
        grid-column: span 4;
    }
    .col-md-6 {
        grid-column: span 6;
    }
    .col-md-12 {
        grid-column: span 12;
    }
    .nav-links {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        padding: 10px;
    }
}
@media (max-width: 768px) {
    .col-sm-1 {
        grid-column: span 1;
    }
    .col-sm-2 {
        grid-column: span 2;
    }
    .col-sm-3 {
        grid-column: span 3;
    }
    .col-sm-4 {
        grid-column: span 4;
    }
    .col-sm-6 {
        grid-column: span 6;
    }
    .col-sm-12 {
        grid-column: span 12;
    }
    .nav-links {
        grid-template-columns: 1fr;
        grid-gap: 5px;
    }
    .poster h1 {
        font-size: 2.5rem;
    }
    .footer-nav a {
        display: block;
        padding: 0.5rem;
        border-right: none;
    }
}