@font-face {
  font-family: "B-nazanin";
  src: url(../fonts/IRANSans-Edit.ttf);
}
@font-face {
  font-family: "B-titr";
  src: url(../fonts/IRANSansBold-Edit.ttf);
}
* {
  font-family: var(--font_nazanin);
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
/* colors & fonts */
:root {
  /* Old colors */
  /* --color_white: #fff;
  --color_black: #000;
  --color_586aff: #1c32f0;
  --color_00004d: #00004d;
  --color_0000004d: #0000004d;
  --color_0000e1: #0000e1;
  --color_fafafa: #fafafa;
  --color_b1b1b1: #b1b1b1;
  --color_597193: #597193;
  --color_000000: #000000;
  --color_0000006B: #0000006b;
  --color_A9A9A9: #a9a9a9;
  --color_B1BED0: #b1bed0;
  --color_7587A0: #7587a0;
  --color_222426: #222426; */

  /* New colors */
  --color_0000004d: #0000004d;
  --color_white: #fff;
  --color_black: #000;
  --color-primary-50: #e3f5ff; 
  --color-primary-100: #b3e4ff;
  --color-primary-200: #81d2ff; 
  --color-primary-300: #4ec0ff; 
  --color-primary-400: #1cacff; 
  --color-primary-500: #029dff; 
  --color-primary-600: #0289dc; 
  --color-primary-700: #0275b8; 
  --color-primary-800: #026294; 
  --color-primary-900: #014c6e;
    /* Typography */
  --color-text-base: #1a1a1a; 
  --color-text-secondary: #4d4d4d;
  --color-text-muted: #999999; 
  --color-text-link: var(--color-primary-500);
  --color-text-link-hover: var(--color-primary-700); 
  --color-text-error: #e74c3c;
  --color-text-success: #2ecc71; 

  /* Fonts */
  --font_nazanin: "B-nazanin";
  --font_titr: "B-titr";
}
/* start a project */
html {
  direction: rtl;
  background-color: var(--color-primary-50);
}
img {
  width: 100%;
  height: 100%;
}
hr {
  position: relative;
  z-index: 100;
  background-color: var(--color-primary-300);
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: var(--color_white);
  cursor: pointer;
}
button {
  border: none;
  outline: none;
  border-radius: 0.3rem;
  -webkit-border-radius: 0.3rem;
  -moz-border-radius: 0.3rem;
  -ms-border-radius: 0.3rem;
  -o-border-radius: 0.3rem;
  font-family: var(--font_nazanin);
  cursor: pointer;
}
.container {
  /* max-width: 1280px; */
  margin: 0 auto;
  padding: 0 1.5rem;
}
.hidden {
  display: none !important;
}
/* header */
/* nav & menu */
nav.header_menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-top: 1rem;
  margin-bottom: 1.7rem;
  position: relative;
}
.menu_logo_wrapper {
  max-width: 150px;
  max-height: 150px;
}
.menu_content {
  flex-basis: 58%;
}
.menu_content_links {
  display: flex;
  justify-content: space-between;
}
.menu_content_link {
  font-size: 1.3rem;
  background-color: var(--color-primary-600);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  -webkit-border-radius: 0.5rem;
  -moz-border-radius: 0.5rem;
  -ms-border-radius: 0.5rem;
  -o-border-radius: 0.5rem;
  transition: all 0.7s ease;
  -webkit-transition: all 0.7s ease;
  -moz-transition: all 0.7s ease;
  -ms-transition: all 0.7s ease;
  -o-transition: all 0.7s ease;
  cursor: pointer;
}
.menu_content_link:hover {
  background-color: var(--color-primary-700);
}
.menu_report_btn {
  padding: 0.9rem 1.8rem;
  font-size: 1.1rem;
  font-weight: 500;
  font-family: var(--font_titr);
  color: var(--color_white);
  background: linear-gradient(
    to right,
    var(--color-primary-800),
    var(--color-primary-900)
  );
}
/* Mobile menu */
.slide_menu {
  display: none;
  transition: all 1s ease;
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
}
.slide_menu_line {
  width: 28px;
  height: 4px;
  display: block;
  background-color: var(--color_black);
  margin-bottom: 4px;
}
.menu_content_mobile {
  width: 40%;
  height: 100%;
  position: fixed;
  top: 0;
  background-color: var(--color-primary-700);
  z-index: 1000;
  right: -100%;
  transition: all 1.3s ease;
  -webkit-transition: all 1.3s ease;
  -moz-transition: all 1.3s ease;
  -ms-transition: all 1.3s ease;
  -o-transition: all 1.3s ease;
}
.menu_content_mobile svg {
  position: absolute;
  left: 10%;
  top: 7%;
}
.menu_content_links_mobile {
  padding: 1.5rem;
}
.menu_content_link--mobile {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}
.menu_content_link--mobile a {
  color: var(--color_white);
}
/* header content */
.header_content {
  display: flex;
  margin-top: 4rem;
}
.header_content_video {
  width: 100%;
  height: 100%;
}
.header_content_details {
  background-color: var(--color_fafafa);
  padding: 2rem;
  flex-basis: 20%;
  border-top-right-radius: 0.8rem;
}
.header_content_details--title {
  font-family: var(--font_titr);
  position: absolute;
  color: var(--color_white);
  font-size: 2rem;
}
.header_content_details--text {
  text-align: justify;
  line-height: 2rem;
  position: absolute;
}
.header_content_img--wrapper {
  flex-basis: 80%;
}
.header_content_img {
  width: 20%;
  height: 20%;
}
.header_content_img img {
  border-radius: 5rem;
  -webkit-border-radius: 5rem;
  -moz-border-radius: 5rem;
  -ms-border-radius: 5rem;
  -o-border-radius: 5rem;
}
.header_content_img:first-child {
  position: absolute;
}
/* main */
/* services */
.services {
  margin-top: 5rem;
}
.services_title {
  text-align: center;
  color: var(--color-text-base);
}
.services_text {
  text-align: center;
  margin: 1.5rem auto 3rem auto;
  color: var(--color-text-secondary);
}
.services_items {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}
.services_item {
  padding: 2rem;
  max-width: 30%;
  width: 100%;
  background-color: inherit;
  box-shadow: 7px 4px 13px 7px rgba(0, 0, 0, 0.2);
  height: auto;
  border-radius: 1.5rem;
  -webkit-border-radius: 1.5rem;
  -moz-border-radius: 1.5rem;
  -ms-border-radius: 1.5rem;
  -o-border-radius: 1.5rem;
  cursor: pointer;
  transition: all 1s ease;
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
}
.services_item:hover {
  position: relative;
  bottom: 20px;
}
.services_item_img {
  width: 100%;
  height: 280px;
}
.services_item_img img {
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
  -moz-border-radius: 1rem;
  -ms-border-radius: 1rem;
  -o-border-radius: 1rem;
  object-fit: cover;
}
.services_item_box {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
}
.services_item_box--title {
  margin-top: 0.8rem;
  color: var(--color-text-base);
}
.services_item_box--text {
  color: var(--color-text-secondary);
  line-height: 2rem;
  text-align: justify;
  margin-top: 1rem;
}

/* login form */
.login_form {
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color_0000004d);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10000;
}
.login_form_wrapper {
  background-color: var(--color-primary-100);
  max-width: 580px;
  max-height: 500px;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  -webkit-border-radius: 12px;
  -moz-border-radius: 12px;
  -ms-border-radius: 12px;
  -o-border-radius: 12px;
}
.login_form_exit-btn {
  position: absolute;
  top: 20px;
  left: 25px;
}
.login_form_wrapper form {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: inherit;
}
.login_form_wrapper form label {
  margin-bottom: 0.8rem;
  color: var(--color-text-base);
  font-size: 1.2rem;
}
.login_form_wrapper form input {
  padding: 1.2rem 2rem;
  border: 1px solid var(--color-primary-300);
  outline: none;
  border-radius: 0.3rem;
  -webkit-border-radius: 0.3rem;
  -moz-border-radius: 0.3rem;
  -ms-border-radius: 0.3rem;
  -o-border-radius: 0.3rem;
  margin-bottom: 2.5rem;
}
.login_form_wrapper form input::placeholder {
  color: var(--color-text-muted);
  font-size: 1rem;
}
.login_form--btn {
  padding: 1.2rem 2rem;
  border: 1px solid var(--color-primary-200);
  background: linear-gradient(
    40deg,
    var(--color-primary-800),
    var(--color-primary-900)
  );
  color: var(--color_white);
  font-family: var(--font_titr);
  font-size: 1rem;
}
.display_report {
  text-align: center;
  background-color: var(--color-primary-50);
  position: relative;
}
.display_report_box {
  width: fit-content;
  height: fit-content;
  margin-top: 3rem;
  position: relative;
  background-color: var(--color-primary-50);
}
.download_link {
  position: absolute;
  bottom: 0;
  right: 14%;
}
.download_link svg {
  fill: var(--color-text-success);
}
/* footer */

.footer {
  margin-top: 4rem;
}
.footer_body {
  display: flex;
  padding: 3rem;
  border: 1px solid var(--color-primary-200);
  justify-content: space-between;
  margin: 5rem auto 6rem auto;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
  -moz-border-radius: 1rem;
  -ms-border-radius: 1rem;
  -o-border-radius: 1rem;
}
.footer_body_detail {
  flex-basis: 30%;
}
.footer_body_detail--img {
  width: 130px;
  height: 130px;
  margin-bottom: 1.3rem;
}
.footer_body_detail--text {
  text-align: justify;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5rem;
  color: var(--color-text-secondary);
}
.footer_body_contact {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.footer_bodt_cantact--title,
.footer_body_follow--title {
  color: var(--color-text-base);
}
.footer_body_contact--loc,
.footer_body_contact--tel {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.footer_body_contact--loc__icon,
.footer_body_contact--tel__icon {
  margin-top: 4px;
}
.footer_body_contact--loc__text {
  color: var(--color-text-secondary);
}
.footer_body_contact--tel a {
  color: var(--color-text-secondary);
}
.footer_body_follow {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.footer_body_follow--instagram,
.footer_body_follow--telegram,
.footer_body_follow--eitta {
  display: flex;
  gap: 1rem;
}
.footer_body_follow--instagram a:nth-child(2),
.footer_body_follow--telegram a:nth-child(2),
.footer_body_follow--eitta a:nth-child(2) {
  color: var(--color-text-secondary);
}
.footer_body_follow--eitta img {
  max-width: 20px;
  max-height: 20px;
}
.footer_info {
  display: flex;
  justify-content: space-between;
  padding: 1.5rem 5rem;
  background-color: var(--color-primary-100);
}
.footer_info_right--text,
.footer_info_left--text {
  color: var(--color-text-secondary);
}

/* books */

.books {
  margin: 4rem auto;
  text-align: center;
  color: var(--color-text-base);
}

/* Gallery */

main.main_gallery {
  background-color: var(--color-primary-50);
}
.gallery {
  display: grid;
  grid-template-columns: repeat(4, auto);
  grid-template-rows: auto 300px auto;
  margin: 2rem auto;
  grid-gap: 1.3rem;
  padding: 1.5rem;
}
.gallery_box img {
  border-radius: 20px;
  border: 1px solid var(--color-primary-300);
  object-fit: cover;
}

/* responsive */
@media (max-width: 480px) {
  .slide_menu {
    display: block;
    position: absolute;
    right: 43%;
    top: 36%;
  }
  .slide_menu_line {
    width: 25px;
  }
  .menu_content {
    display: none;
  }
  .services_item {
    max-width: 100%;
  }
  .menu_logo_wrapper {
    max-width: 90px;
    max-height: 90px;
  }
  .menu_report_btn {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 500;
  }
  .menu_content_links_mobile {
    padding: 1rem;
  }
  .menu_content_link--mobile {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  .menu_content_mobile svg {
    left: 7%;
    top: 3%;
  }
  .header_content_details--title {
    font-size: 0.9rem;
  }
  .login_form_wrapper {
    padding: 1.5rem;
    max-width: 380px;
  }
  .login_form_wrapper form label {
    font-size: 1rem;
  }
  .login_form_wrapper form input {
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
  }
  .login_form_wrapper form input::placeholder {
    font-size: 0.8rem;
  }
  .services_title {
    font-size: 1rem;
  }
  .services_text {
    font-size: 0.8rem;
  }
  .services_item_box--title {
    font-size: 1rem;
  }
  .services_item_box--text {
    font-size: 0.8rem;
  }
  .footer_body {
    flex-wrap: wrap;
    flex-direction: column;
    gap: 4rem;
    padding: 2rem;
  }
  .footer_body_detail {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .footer_body_detail--text {
    font-size: 12px;
  }
  .footer_body_contact,
  .footer_body_follow {
    align-items: center;
  }
  .footer_body_contact,
  .footer_body_follow {
    gap: 2rem;
  }
  .footer_body_contact--loc__text,
  .footer_body_contact--tel__text {
    font-size: 12px;
  }
  .footer_body_follow--instagram a:nth-child(2),
  .footer_body_follow--telegram a:nth-child(2),
  .footer_body_follow--eitta a:nth-child(2) {
    font-size: 12px;
  }
  .footer_info {
    padding: 1rem 2rem;
    flex-direction: column-reverse;
    gap: 2rem;
  }
  .footer_info_right--text,
  .footer_info_left--text {
    font-size: 0.75rem;
    text-align: center;
    line-height: 0.8rem;
  }
  .footer_info_right--text {
    line-height: 2rem;
  }
  .gallery {
    grid-template-columns: repeat(1, auto);
    grid-gap: 0.8rem;
    padding: 0.6rem;
  }
}

@media (min-width: 481px) and (max-width: 767px) {
  .slide_menu {
    display: block;
    position: absolute;
    right: 45%;
    top: 35%;
  }
  .menu_content {
    display: none;
  }
  .header_content_details--title {
    font-size: 1.3rem;
  }
  .services_item {
    max-width: 100%;
  }
  .menu_logo_wrapper {
    max-width: 100px;
    max-height: 100px;
  }
  .gallery {
    grid-template-columns: repeat(1, auto) !important;
    grid-gap: 0.8rem !important;
    padding: 0.6rem !important;
  }
  .footer_body {
    flex-direction: column;
    gap: 4rem;
    padding: 3rem;
  }
  .footer_body_contact {
    gap: 2rem;
  }
  .footer_body_follow {
    gap: 2rem;
  }
  .footer_info {
    align-items: center;
    gap: 1rem;
    flex-direction: column-reverse;
  }
  .menu_content_mobile svg {
    top: 4%;
  }
  .footer_info_right--text,
  .footer_info_left--text {
    font-size: 0.75rem;
  }
}

@media (min-width: 767px) and (max-width: 1024px) {
  .slide_menu {
    display: block;
    position: absolute;
    right: 50%;
    top: 40%;
  }
  .menu_content {
    display: none;
  }
  .services_item {
    max-width: 45%;
  }
  .header_content_details--title {
    font-size: 1.5rem;
  }
  .gallery {
    grid-template-columns: repeat(3, auto) !important;
    grid-gap: 0.6rem !important;
    padding: 0.8rem !important;
  }
  .footer_body {
    flex-wrap: wrap;
  }
  .footer_body_detail--text {
    font-size: 13px;
  }
  .footer_body_follow {
    margin-top: 3rem;
  }
  .footer_body_contact {
    flex-basis: 50%;
  }
  .footer_body_contact--loc__text,
  .footer_body_conctact--tel__text {
    font-size: 0.9rem;
  }
  .footer_body_follow {
    flex-direction: row;
    gap: 2rem;
    flex-wrap: wrap;
    width: 100%;
  }
  .footer_info {
    padding: 1.5rem 4rem;
  }
  .footer_info_right--text,
  .footer_info_left--text {
    font-size: 0.8rem;
  }
  .menu_content_mobile svg {
    top: 4%;
  }
}

@media (min-width: 1024px) and (max-width: 1200px) {
  .container {
    max-width: 1280px;
  }
  .menu_logo_wrapper {
    max-width: 120px;
    max-height: 120px;
  }
  /* .menu_content {
    flex-basis: auto;
  } */
  .menu_content_link {
    font-size: 1.1rem;
    padding: 0.5rem 0.8rem;
  }
  .menu_report_btn {
    padding: 0.6rem 1.3rem;
  }
  .services_item {
    max-width: 43%;
  }
  .gallery {
    grid-template-columns: repeat(3, auto) !important;
    grid-gap: 1rem !important;
    padding: 1.3rem !important;
  }
  .footer_body {
    padding: 2rem;
  }
  .footer_body_detail--text {
    font-size: 13px;
  }
  .footer_body_contact {
    flex-basis: 34%;
  }
}