/* project  */
* {
    margin: 0;
    padding: 0;
}

/* fonts */
@font-face {
    font-family: "vazir";
    src:
        url(../font/Farsi-Digits-Without-Latin/Vazir-FD-WOL.ttf) format(ttf),
        url(../font/Farsi-Digits-Without-Latin/Vazir-FD-WOL.woff) format(woff),
        url(../font/Farsi-Digits-Without-Latin/Vazir-FD-WOL.woff2) format(woff2);
}

/* variables */
:root {
    --clr-primary: #2c3333;
    --clr-secondry-1: #395b64;
    --clr-secondry-2: #a5c9ca;
    --clr-secondry-3: #1c4d8d;
    --clr-white: #fff;
    --clr-black: #000;
    --font-primary: "vazir", sans-serif;
    --radius: 0.75rem;
    --transition: all 0.5s linear;
}

.section_title h3 {
    color: var(--clr-secondry-3);
}

.section_title {
    margin-bottom: 3rem;
}

h1 {
    font-size: 1.75rem;
}

h2 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1rem;
}

@media screen and (min-width: 800px) {
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h4 {
        font-size: 1.5rem;
    }
}

img {
    width: 100%;
    display: block;
}

.btn {
    background: var(--clr-secondry-3);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    color: var(--clr-white);
    transition: var(--transition);
    display: inline-block;
}

.btn:hover {
    background: var(--clr-secondry-1);
    color: var(--clr-secondry-2);
}

body {
    font-family: var(--font-primary);
    color: var(--clr-secondry-1);
    background: var(--clr-white);
    font-size: 1rem;
    text-align: right;
}

.section_center {
    width: 85vw;
    max-width: 1200px;
    padding: 3rem 0;
    margin: 0 auto;
}

@media screen and (min-width: 990px) {
    .section_center {
        width: 95vw;
    }
}

a {
    text-decoration: none;
}

.clearfix::after,
.clearfix::before {
    content: "";
    clear: both;
    display: block;
}

/* animations */
@keyframes navbar {
    0% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.5);
    }

    50% {
        transform: scale(2);
    }

    75% {
        transform: scale(1.5);
    }    

    100% {
        transform: scale(1);
    }
}

@keyframes header_title {
    0% {
        transform: translateY(-50px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}
@keyframes header_information {
    0% {
        transform: translateY(50px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* navbar */
.navbar_btn {
    color: var(--clr-secondry-3);
    position: fixed;
    top: 5%;
    right: 5%;
    z-index: 1;
    font-size: 2rem;
    cursor: pointer;
    animation: navbar 4s ease infinite;
}

.navbar {
    position: fixed;
    top: 0;
    right: 0;
    background: var(--clr-secondry-2);
    z-index: 2;
    height: 100vh;
    width: 100vw;
    box-shadow: 0 2px 10px rgba(44, 51, 51, 0.5);
    transform: translateX(100%);
    transition: var(--transition);
}

.show_nav {
    transform: translateX(0);
}

@media screen and (min-width:768px) {
    .navbar {
        width: 30vw;
        max-width: 20rem;
    }
}

.navbar_header {
    text-align: left;
}

.nav_close {
    color: pink;
    font-size: 3rem;
    transition: var(--transition);
    cursor: pointer;
}

.nav_close:hover {
    color: red;
}

.nav_items {
    list-style-type: none;
    direction: rtl;
}

.nav_link {
    display: block;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    color: var(--clr-primary);
    font-size: 1.1rem;
}

.nav_link i {
    margin-left: 0.5rem;
    font-size: 1.5rem;
}

.nav_link:hover {
    background:var(--clr-secondry-1);
    color: var(--clr-secondry-3);
    border-right: 0.3rem solid var(--clr-secondry-3);
    padding-right: 1.5rem;
}

/* header */
.header {
    height: 100vh;
    background:
        linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
        url(../image/header.jpg) center/cover no-repeat fixed;
    position: relative;
}

.banner {
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.banner h1 {
    color: var(--clr-secondry-3);
    margin-bottom: 2rem;
    animation: header_title 3s ease-in-out 1;
}

.banner h2 {
    color: var(--clr-secondry-2);
    margin-bottom: 3rem;
    animation: header_information 3s ease-in-out 1;
}

.btn_banner {
    font-size: 1rem;
    outline: 0.2rem solid var(--clr-secondry-3);
    outline-offset: 0.3rem;
    padding: 1rem 1.5rem;
    animation: header_information 3s ease-in-out 1;
}

.line_divider {
    height: 0.75rem;
    background: linear-gradient(to right,
            var(--clr-secondry-1),
            var(--clr-secondry-3),
            var(--clr-secondry-1));
}

/* feature */
.features {
    background-color: var(--clr-secondry-2);
}

.feature {
    height: 14rem;
    text-align: center;
    padding: 2rem 0;
    transition: var(--transition);
}

.feature:hover {
    background-color: var(--clr-white);
    border-bottom: solid 3px var(--clr-secondry-3);
}

.feature:hover .feature_icon {
    transform: translateY(-5px);
}

.feature_icon {
    font-size: 2rem;
    color: var(--clr-secondry-3);
    display: inline-block;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.feature_title {
    margin-bottom: 0.75rem;
}

.feature_text {
    color: var(--clr-primary);
    margin: 0 auto;
    max-width: 17rem;
}

@media screen and (min-width:576px) {
    .feature {
        float: right;
        width: 50%;
    }
}

@media screen and (min-width:1200px) {
    .feature {
        float: right;
        width: 25%;
    }
}

/* about us */
.about_img,
.about_info {
    padding: 2rem 0;
}

.about_img_container {
    max-width: 30rem;
    border: 0.5rem solid var(--clr-secondry-3);
    border-radius: var(--radius);
    background-color: var(--clr-secondry-1);
    overflow: hidden;
}

.about_picture {
    transition: var(--transition);
}

.about_img_container:hover .about_picture {
    transform: scale(1.2);
    opacity: 0.5;
}

.about_text {
    color: var(--clr-primary);
}

.about_btn {
    margin-top: 2rem;
}

@media screen and (min-width:990px) {
    .about_img {
        float: left;
        width: 50%;
    }

    .about_info {
        float: right;
        width: 50%;
    }

}

/* products */
.products {
    background: var(--clr-secondry-2);
}

.products article {
    padding: 3rem 0;
}

.product_text {
    color: var(--clr-primary);
    max-width: 25rem;
    margin-left: auto;
}

.product_btn {
    margin-top: 2rem;
}

.product {
    margin-bottom: 3rem;
}

.product_img {
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    height: 17rem;
    object-fit: cover;
}

.product_price {
    color: var(--clr-secondry-3);
    direction: rtl;
}

@media screen and (min-width:768px) {
    .product {
        float: right;
        width: 45%;
        padding-left: 2rem;
    }
}

@media screen and (min-width:992px) {
    .product {
        width: 30%;
    }
}

@media screen and (min-width:1200px) {
    .products_info {
        float: right;
        width: 30%;
    }

    .products_cards {
        float: left;
        width: 70%;

    }

    .product {
        width: 29%;
        padding-left: 0;
        padding-right: 2rem;
        margin-bottom: 0;
    }
}

/* services */
.service_title {
    text-align: center;
}

.service_card {
    background: var(--clr-secondry-2);
    margin: 3rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(44, 51, 51, 0.4);
    transition: var(--transition);
}

.service_card:hover {
    box-shadow: 0 10px 20px rgba(44, 51, 51, 0.8);
    transform: scale(1.02);
}

.service_img_container img {
    height: 18rem;
    object-fit: cover;
}

.service_img_container {
    position: relative;
}

.service_icon {
    position: absolute;
    bottom: 0;
    left: 50%;
    font-size: 2rem;
    transform: translate(-50%, 50%);
    color: var(--clr-white);
    background-color: var(--clr-secondry-3);
    padding: 0.5rem 0.7rem 0.1rem 0.7rem;
    border-radius: 50%;
    border: 0.5rem solid var(--clr-secondry-2);
}

.service_info {
    text-align: center;
    padding: 3rem 1rem 2rem 1rem;
}

.service_info p {
    color: var(--clr-primary);
    width: 20rem;
    margin: 1rem auto;
}

@media screen and (min-width:768px) {
    .service_card {
        float: right;
        width: 45%;
        margin-left: 5%;
    }
}

@media screen and (min-width:992px) {
    .service_card {
        width: 30%;
        margin-left: 3%;
    }
}

/* contact */
.contact {
    background: var(--clr-secondry-2);
}

.contact article {
    margin: 2rem 0;
}

.contact_item {
    margin-bottom: 1.5rem;
}

.contact_title {
    color: var(--clr-secondry-3);
    direction: rtl;
    font-weight: 300;
}

.contact_text {
    font-size: 1.2rem;
}

.contact_form {
    background-color: var(--clr-white);
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 10px 20px rgba(44, 51, 51, 0.4);
    transition: var(--transition);
    max-width: 35rem;
}

.contact_form:hover {
    box-shadow: 0 10px 20px rgba(44, 51, 51, 0.8);
}

.contact_form h2 {
    color: var(--clr-secondry-3);
    padding-top: 2rem;
}

.form_group {
    padding: 1rem 2rem;
}

.form_control {
    display: block;
    width: 97%;
    border: none;
    background: var(--clr-secondry-2);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    direction: rtl;
}

.form_control::placeholder {
    color: var(--clr-primary);
    font-family: var(--font-primary);
}

.submit_btn {
    display: block;
    width: 100%;
    border: none;
    font-family: var(--font-primary);
    padding: 1rem;
}

@media screen and (min-width:992px) {
    .contact article {
        float: right;
        width: 50%;
    }
}

/* footer */
footer {
    background-color: var(--clr-primary);
    text-align: center;
    color: var(--clr-white);
}

.social_icon {
    color: var(--clr-white);
    display: inline-block;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    transition: var(--transition);
    margin-right: 1rem;
}

.social_icon:hover {
    color: var(--clr-secondry-3);
}

.footer_text {
    direction: rtl;
    font-size: 1.2rem;
}

.footer_text span {
    color: var(--clr-secondry-3);
}