* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Vazir, sans-serif;
}

/*VARIABLES CSS*/
:root {
  --header-height: 3.5rem;
  /*56px*/

  /* Colors */

  --hue: 152;
  --first-color: hsl(var(--hue), 24%, 32%);
  --first-color-alt: hsl(var(--hue), 24%, 28%);
  --first-color-light: hsl(var(--hue), 24%, 66%);
  --first-color-lighten: hsl(var(--hue), 24%, 92%);
  --title-color: hsl(var(--hue), 4%, 15%);
  --text-color: hsl(var(--hue), 4%, 35%);
  --text-color-light: hsl(var(--hue), 4%, 55%);
  --body-color: hsl(var(--hue), 0%, 100%);
  --container-color: hsl(0, 0%, 100%);

  /* Font and typography */
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: 'Poppins', sans-serif;
  --big-font-size: 2rem;
  --h1-font-size: 1.5rem;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1rem;
  --normal-font-size: .938rem;
  --small-font-size: .813rem;
  --smaller-font-size: .75rem;

  /* Font weight */
  --font-medium: 500;
  --font-semi-bold: 600;

  /* Margenes Bottom */
  /*.5rem = 8px | 1rem = 16px ...*/
  --mb-0-5: .5rem;
  --mb-0-75: .75rem;
  --mb-1: 1rem;
  --mb-1-5: 1.5rem;
  --mb-2: 2rem;
  --mb-2-5: 2.5rem;

  /* z index */
  --z-tooltip: 10;
  --z-fixed: 100;
}

/* Responsive typography */
@media screen and (min-width: 968px) {
  :root {
    --big-font-size: 3.5rem;
    --h1-font-size: 2.25rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
    --smaller-font-size: .813rem;
  }
}

/*BASE*/

html {
  scroll-behavior: smooth;
}

body,
button,
input,
textarea {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
}


h1,
h2,
h3 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
  padding-left: 0%;
}

a {
  text-decoration: none;
}

.nav__btns {
  display: inline-flex;
  align-items: center;
  column-gap: 1rem;
}



/*REUSABLE CSS CLASSES*/
.section {
  padding: 2.5rem 0 1rem;
}

.section__title,
.section__title-center {

  margin-bottom: var(--mb-2);
  line-height: 140%;
}

.section__title-center {
  text-align: center;
}

.grid {
  display: grid;
}

.main {
  overflow: hidden;
}


img {
  max-width: 100%;
  height: auto;
}


body,
button,
input,
textarea {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
}

body {

  background-color: var(--body-color);
  color: var(--text-color);


}

button {
  cursor: pointer;
  border: none;
  outline: none;
}

h1,
h2,
h3 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}



.nav__btns {
  display: inline-flex;
  align-items: center;
  column-gap: 1rem;
}


.section {
  padding: 2rem 0 1rem;
}

.section__title,
.section__title-center {
  font-size: var(--h2-font-size);
  margin-bottom: var(--mb-2);
  line-height: 140%;
}

.section__title-center {
  text-align: center;
  font-size: 20px;
}

.container {
  max-width: 1100px;
  margin-left: var(--mb-1-5);
  margin-right: var(--mb-1-5);

}

.grid {
  display: grid;
}

.main {
  overflow: hidden;
}

/* HEADER */
.header {
  width: 100%;
  background-color: var(--body-color);
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);

}

/* NAV */
.nav {
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo,
.nav__toggle,
.nav__close {
  color: var(--title-color);
}

.btl {
  background-color: #03586b;
  color: #ebf0f5;

}

.btl:hover {
  background-color: #034251;
  color: #f1f8f8;
}

.nav__logo {
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: -1px;
  display: inline-flex;
  align-items: center;
  column-gap: .5rem;
  transition: .3s;
}

.nav__logo-icon {
  font-size: 1.15rem;
  color: var(--first-color);
}

.nav__logo:hover {
  color: var(--first-color);
}

.btp:hover {
  background-color: #c9f8f33e;

}


.nav__toggle {
  display: inline-flex;
  font-size: 1.25rem;
  cursor: pointer;
}

@media screen and (max-width: 767px) {
  .nav__menu {
    position: fixed;
    background-color: #fcfafe;
    width: 60%;
    height: 90%;
    top: 0;
    right: -100%;
    box-shadow: -2px 0 4px hsla(var(--hue), 24%, 15%, .1);
    padding: 4rem 0 0 3rem;
    border-radius: 1rem 0 0 1rem;
    transition: .3s;
    z-index: var(--z-fixed);

  }
}

.nav__close {
  font-size: 1.5rem;
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  cursor: pointer;
}

.nav__list {
  display: flex;
  flex-direction: column;
  row-gap: 1.5rem;
  padding-right: 1rem;
}

.nav__link {
  color: var(--title-color);
  font-weight: var(--font-medium);
  transition: .3s;
}

.nav__link:hover {
  color: blueviolet;
}

/* Show menu */
.show-menu {
  right: 0;
}

/* Change background header */
.scroll-header {
  box-shadow: 0 1px 4px hsla(var(--hue), 4%, 15%, .1);
}

/* Active link */
.active-link {
  position: relative;
  color: var(--first-color);
}




@media screen and (min-width: 992px) {
  .container {
    margin-left: auto;
    margin-right: auto;
  }


}

@media screen and (min-width: 767px) {
  body {
    margin: 0;
  }

  .nav {
    height: calc(var(--header-height) + 1.5rem);
    ;
  }

  .nav__toggle,
  .nav__close {
    display: none;
  }

  .nav__list {
    flex-direction: row;
    column-gap: 3rem;
  }

  .nav__menu {
    margin-left: auto;

  }
}



/* FOOTER */


.footer__copy {
  text-align: center;
  font-size: v13px;
  color: var(--text-color-light);
  margin: 2rem;
}

.banner-area {
  background: rgb(46, 42, 89);
  background: linear-gradient(123deg, rgba(46, 42, 89, 1) 0%, rgba(65, 103, 144, 1) 100%);
  background-size: auto;
  background-size: cover;
}

body {

  margin-top: 2rem;

  height: 100vh;
  width: 100%;
  /* display: flex; */
  align-items: center;
  justify-content: center;
  background: #f0f2f5;
  position: relative;
}

.container_c {

  z-index: 12;
  max-width: 1050px;
  width: 100%;
  background: #fff;
  border-radius: 12px;
  margin: 80px 20px;

  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.15);
}

.container_c .content {

  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 25px 20px;
}

.content .image-box {
  max-width: 55%;
}

.content .image-box img {
  width: 100%;
}

.content .topic {
  font-size: 22px;
  font-weight: 500;
  color: #1f4168;
}

.content form {
  width: 60%;
  margin-right: 10px;
}

.content .input-box {
  height: 50px;
  width: 100%;
  margin: 16px 0;
  position: relative;
}

.content .input-box input {
  position: absolute;
  height: 100%;
  width: 100%;
  border-radius: 6px;
  font-size: 16px;
  outline: none;
  padding: 0 16px;
  background: #ebf0f5;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.content .input-box input:focus,
.content .input-box input:valid {
  border-color: #6c4afd;
  background-color: #fff;
}

.content .input-box label {
  position: absolute;
  font-size: 13px;
  color: #636c72;
  right: 18px;
  top: 6px;
  pointer-events: none;
  transition: all 0.3s ease;
}

.content .input-box input:focus~label,
.content .input-box input:valid~label {
  right: 12px;
  top: -10px;
  color: #6c4afd;
  font-size: 14px;
  background: #fff;

}

.content .message-box {
  min-height: 100px;
  position: relative;
}

.content .message-box textarea {
  position: absolute;
  height: 100%;
  width: 100%;
  resize: none;
  background: #ebf0f5;
  border: 2px solid transparent;
  border-radius: 6px;
  outline: none;
  padding: 5px 16px;
  transition: all 0.3s ease;
}

.content .message-box textarea:focus {
  border-color: #6c4afd;
  background-color: #fff;
}

.content .message-box label {
  position: absolute;
  font-size: 13px;
  color: #636c72;
  right: 18px;
  top: 6px;
  pointer-events: none;
  transition: all 0.3s ease;
}

.content .message-box textarea:focus~label {
  right: 12px;
  top: -10px;
  color: #6c4afd;
  font-size: 14px;
  background: #fff;
}

.content .input-box input[type="submit"] {
  color: #fff;
  background: #1f4168;
  padding-left: 0;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  font-family: Vazir, sans-serif;
}

.content .input-box input[type="submit"]:hover {
  background-color: #063265;
}

@media (max-width: 1000px) {
  .content .image-box {
    max-width: 100%;
  }

  .content {
    padding: 10px 0;
    flex-direction: column;
  }

}

@media (max-width: 900px) {
  .content .image-box {
    width: 100%;
  }

  .content form {
    width: 100%;
    margin-left: 10px;
  }
}