@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap");

:root {
    --primaryTextColor: #232e35;
    --secondaryTextColor: #656d72;
   
    --borderColor: #f1f1f1;
    --lineColor: #d9d9d9;

    --primaryBackgroundColor: #fff;
    --secondaryBackgroundColor: #fbfbfb;
    --thirdBackgroundColor: #f5f3fe;

    --primaryIconColor: #7e74f1;
    --primariIconColorHover: #5d51e8;

    --sectionPadding: 6rem 0;

    --itemBorderRadius: 0.7rem;
}

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

body {
    font-family: "Roboto", sans-serif;
}
    h1,h2,h3,h4,h5,h6, strong {
        color: var(--primaryTextColor);
    }
    p{
        font-size: 1rem; /* 16px */
        line-height: 1.9rem;
    }

    p,
    span,
    label,
    input,
    textarea,
    li {
        color: var(--secondaryTextColor);
    }

    a {
        text-decoration: none;
    }

    .main-container {
        width: 1200px;
        margin: 0 auto;
    }

    @media screen and (max-width: 1200px) {}
        .main-container {
            width: 90%;
        }
    
    .btn {
        padding: 1rem 1.5rem;
        background: white;
        border: 1.5px solid var(--borderColor);
        cursor: pointer;
        transition: .2s ease-in-out;
    }

    .btn:hover {
        box-shadow: rgb(0, 0, 0.04) 0px 3px 5px;
    }

    /*Titles*/
    .section-title {
       margin: 1rem 0 4rem;
       font-size: 2rem;
    }
    .pre-title {
        text-transform: uppercase;
        letter-spacing: 0.5rem;
        color: var(--secondaryTextColor);
        position: relative;
        padding-left: 40px;
        width: fit-content;
        font-size: 0.9rem;
    }

    .pre-title::before {
        content: "";
        width: 30px;
        height: 1px;
        background: var(--lineColor);
        position: absolute;
        display: block;
        left: 0;
        top: 50%;
    }

    /* loyout */
    .grid-3 {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 3rem;
    }
    /* Logo and Navigation Menu */
    .nav {
        display: flex;
        justify-content: space-between;
        padding: 2rem 0;
    }

    .nav ul {
        list-style: none;
        display: flex;
        gap: 3rem;
    }

    .logo {
        display: flex;
        align-items: center;
        font-weight: 700;
        font-size: 2rem;
    }

    .logo a {
        color: var(--primaryTextColor);
    }

    nav ul li {
        display: flex;
        align-items: center;
    }

    nav ul li a {
        color: var(--primaryTextColor);
    }

    .burger div {
        width: 25px;
        height: 2px;
        background-color: #000;
        margin: 7px;
        transition: all .3s;
        z-index: 99;
    }

    .burger {
        display: none;
        z-index: 99;
        position: fixed;
        top: 33px;
        right: 35px;
    }

    /* Hero Section */
    #hero {
        height: 720px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .hero-name {
        font-size: 3rem;
        font-weight: 700;
        margin: 0.5rem 0 1rem;
    }

    .hero-name span {
        color: var(--primaryIconColor)
    }

    .hero-right img {
        width: 90%;
    }

    .hero-right {
        display: flex;
        justify-content: center;
    }

    /* Services Section */
    #services {
        background-color: var(--primaryBackgroundColor);
        padding: var(--sectionPadding);
    }

    .services .pre-title {
        margin: 0 auto;
    }

    .service-title {
        text-align: center;
    }

    .service {
        padding: 3rem 2rem;
        text-align: center;
        background: var(--primaryBackgroundColor);
        border-radius: var(--itemBorderRadius);
        font-size: 1.05rem;
    }

    .service h4 {
        margin: 1.5rem 0;
        font-weight: 500;
    }

    .service-icon {
        background: var(--thirdBackgroundColor);
        width: fit-content;
        margin: 0 auto;
        padding: 1rem 1.3rem;
        border-radius: 0.5rem;
    }

    .service-icon svg {
        fill: var(--primaryIconColorS)
    }

    /* portfolio service */
    #portfolio {
        padding: var(--sectionPadding);
    }

    .portfolio {
        border-radius: var(--itemBorderRadius);
        /*overflow: hidden;*/
        border: 1px solid var(--borderColor);
    }

    .portfolio-cover {
        height: 250px;
    }

    .portfolio-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .portfolio-info {
        padding: 2rem 1.5rem;
    }

    .portfolio-title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }

    .portfolio h4 {
        font-weight: 500;
        font-size: 1.05rem;
    }

    .portfolio-title a svg:hover {
        fill: var(--primaryIconColor);
    }

    .portfolio-title a svg {
        transition: .2s ease-in-out;
    }

    .portfolio-tags {
        display: flex;
        gap: 1rem;
        margin: 1rem 0;
    }

    .portfolio-tags div {
        font-size: .9rem;
        border: 1px solid var(--borderColor);
        padding: .4rem 1rem;
        color: var(--secondaryTextColor);
    }

    /* Skills & Education */
    #skills {
        padding: var(--sectionPadding);
        background: var(--secondaryBackgroundColor);
    }

    .skills-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit,minmax(350px, 1fr));
        gap: 3rem;
    }

    .education {
        display: flex;
        gap: 2rem;
    }

    .education .line {
        padding: 0 .7rem;
    }

    .education .line div {
        width: 2px;
        height: 100%;
        background: var(--borderColor);
        position: relative;
    }

    .education_info p {
        margin: .6rem 0 1.4rem;  
    }

    .education-years {
        margin-bottom: 3rem;
    }

    /* The dot on the line */
.education .line div {
    content: "";
    width: 15px;
    height: 15px;
    background: var(--borderColor);
    border-radius: 500%;
    position: absolute;
    left: -6px;
}

.skills-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 1.5rem; 
}

.skills-right ul {
    line-height: 2rem;
    padding: 0 1rem;
}

/* contact section */
#contact {
    padding: var(--sectionPadding);
}

.contact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.contact-form div {
    margin-bottom: 1.4rem;
}

.contact-form input, 
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1.3rem;
    font-family: "Roboto" , sans-serif;
    background: var(--secondaryBackgroundColor);
    border: 1px solid var(--borderColor);
    border-radius: 3px;
    resize: none;
}

.contact-form input::placeholder, 
.contact-form textarea::placeholder {
    color: #9d9fa1;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border: 1px solid #7d7d7d
}

.btn-submit {
    width: 100%;
    padding: 0,75rem 1.3rem;
    background-color: var(--primaryIconColor);
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: .2s ease-in-out;
}

.btn-submit:hover {
    background: var(--primariIconColorHover);
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-item-icon {
    background: var(--thirdBackgroundColor);
    width: 53px;
    height: 53px;
    border-radius: 9px;
    display: flex;
    justify-content: center;
    align-items: center;
}

footer {
    padding: 4rem 0;
    background: var(--secondaryBackgroundColor);
    text-align: center;
}

.footer-icons {
    margin-bottom: 1rem;
}

.footer-icons a {
    margin: 0.5rem;
}

.footer-icons svg {
    fill: #3e3f40;
}

.footer-icons a:hover svg {
    fill: #000;
}