* {
    box-sizing: border-box; /* Ensures padding and border are included in element's width */
}

body {
    background-color: #000000;
    margin: 0;
    padding: 0;
    padding-top: 90px;
}

/* font style */
.poppins-regular {
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    font-style: normal;
    color: #F5F5F5;
}


/* navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
    width: 100%;
    padding: 0 8%;
    background-color: #000000;
}

nav h1{
    font-size: 2rem;
    margin: 0;
}

nav ul {
    display: flex;
    align-items: center;
    height: 70px;
    gap: 3rem;
    list-style: none;
}

nav ul a {
    text-decoration: none;
    color: #F5F5F5;
}

nav ul a:hover {
    color: red;
}

nav ul .start-btn {
    display: flex;
    height: 35px;
    padding: 0 15px;
    justify-content: center;
    align-items: center;
    background-color: #F5F5F5;
    color: #000000;
}

nav ul .start-btn:hover {
    background-color: red;
    color: #F5F5F5;
    transition: 0.15s ease-in-out;
}



/* hero section */

.hero {
    display: flex;
    height: 75vh;
    margin: 0 8%;
}

.hero .title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    width: 70%;
}

.hero .title h1 {
    font-size: 3.5rem;
    margin: 0;
}

.hero .title h1 span {
    color: red;
}

.hero .title .description {
    width: 65%;
    margin: 1.5rem 0 2rem 0;
}

.hero a {
    display: flex;
    height: 50px;
    width: fit-content;
    padding: 0 20px;
    justify-content: center;
    align-items: center;
    background-color: #F5F5F5;
    color: #000000;
    font-size: 1.2rem;
    text-decoration: none;
}

.hero a:hover {
    background-color: red;
    color: #F5F5F5;
    transition: 0.15s ease-in-out;
}

.hero .image {
    display: flex;
    align-items: center;
    justify-content: end;
    height: 100%;
    width: 30%;
    overflow: hidden;
}

.hero .image img {
    display: flex;
    max-width: 100%;
    height: auto;
}



/* main section*/

main {
    display: flex;
    flex-direction: column;
    background-color: #151515;
    padding: 70px 8%;
    text-align: center;
}

main h1 {
    font-size: 2.5rem;
    margin: 0 0 1rem 0;
}

main .two-chapters {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
}

main .two-chapters a {
    display: flex;
    flex-direction: column;
    width: 32%;
    justify-content: start;
    /* align-items: start; */
    text-align: start;
    padding: 15px 35px;
    background-color: #252525;
    border: 3px solid #F5F5F577;
    text-decoration: none;
    color: #F5F5F5;
    transition: 0.3s ease-in-out;
}

main .two-chapters a:hover {
    border: 3px solid red;
    transform: scale(1.02);
}

main .two-chapters a h4 {
    font-size: 1.7rem;
    font-weight: 700;
    margin: 0;
}

main .two-chapters .empty {
    width: 32%;
}



/* footer */

footer {
    display: flex;
    width: 100%;
    padding: 50px 8%;
    justify-content: space-between;
}

footer .footer-box {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 48%;
    justify-content: start;
}

footer .footer-box h3 {
    font-size: 1.8rem;
    margin: 0;
}

footer .footer-box h3 span {
    color: red;
}

footer .footer-box .action-link-footer {
    display: flex;
    height: 35px;
    width: fit-content;
    padding: 0 15px;
    margin-top: 2.5rem;
    align-items: center;
    text-decoration: none;
    background-color: #F5F5F5;
    color: #000000;
}

footer .footer-box .action-link-footer:hover {
    background-color: red;
    color: #F5F5F5;
    transition: 0.15s ease-in-out;
}

footer .box2 {
    flex-direction: row;
    justify-content: end;
}

footer .box2 .contact-address {
    display: flex;
    flex-direction: column;
    margin-left: 5rem;
}

footer .box2 .contact-address h4 {
    font-size: 1.3rem;
    margin-top: 0.5rem;
}

footer .box2 .contact-address p {
    margin-bottom: 0;
}

footer .box2 .contact-address p a {
    color: #F5F5F5;
    text-decoration: none;
}
footer .box2 .contact-address p a:hover {
    text-decoration: underline;
}

.copyright {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-bottom: 15px;
}