.landing {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
}
.landing header {
  height: 10px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px;
  position: fixed;
  z-index: 10000;
}
.landing header img {
  height: 24px;
}
.landing header .box {
  height: 16px;
  width: 30px;
}
.landing header .box .menu {
  height: 100%;
  width: 100%;
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
  display: flex;
  align-items: center;
  direction: rtl;
}
.landing header .box .menu::before {
  content: "";
  height: 2px;
  background: #000;
  width: 60%;
  transition: 0.4s;
}
.landing header .box:hover .menu::before {
  width: 100%;
}
.box:hover .list {
  display: block;
}
.list {
  position: absolute;
  height: 200px;
  width: 200px;
  right: 35px;
  top: 55px;
  background-color: #f6f6f6;
  display: none;
  z-index: 10;
}
.list::before {
  content: "";
  position: absolute;
  right: 5px;
  top: -21px;
  border-width: 12px;
  border-style: solid;
  border-color: transparent transparent #f6f6f6 transparent;
}
.list a {
  text-decoration: none;
  color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  height: 25%;
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
  text-transform: capitalize;
  padding-inline-start: 15px;
  transition: 0.4s;
}
.list a:last-of-type {
  border-style: none;
}
.list a:hover {
  padding-inline-start: 25px;
}
.landing section {
  height: calc(100% - 64px);
  background: url(images/landing.jpg);
  background-size: cover;
  width: 100%;
  position: relative;
  height: 100vh;
}
.text {
  height: 150px;
  width: 320px;
}
.text h1 {
  color: var(--grean);
  font-size: 50px;
  margin-bottom: 20px;
}

.text p {
  text-align: center;
  font-size: 20px;
  line-height: 30px;
}
/* advantages */
.advantages {
  background-color: var(--section-background);
  padding: 50px 0;
  text-align: center;
}

.advantages div {
  padding: 50px;
}
.advantages i,
#services i {
  color: var(--grean);
  font-size: 46px;
}
p.address {
  font-weight: bold;
  margin: 25px 0 35px 0;
  font-size: 18px;
}
p.note {
  color: #777;
  line-height: 1.5;
}
/* services */
section#services {
  padding: 60px 10px;
  text-align: center;
}
section#services i {
  font-size: 32px;
}
.headline {
  color: #ebeced;
  text-align: center;
  font-size: 60px;
  font-weight: bold;
  line-height: 0.4;
  letter-spacing: -2.5px;
}
.subline {
  color: #797979;
  text-align: center;
  font-size: 20px;
  margin-bottom: 40px;
}
.content div:not(div:last-child) {
  margin-bottom: 100px;
}
section#portfolio img {
  width: 100%;
}
p.note2 {
  line-height: 1.6;
  color: #444;
  font-weight: 300;
  opacity: 0.6;
}

/* portfolio */
section#portfolio {
  background-color: var(--section-background);
  padding: 50px 15px;
}
.p-content {
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 30px;
}
.p-content div {
  background-color: #fff;
}
section#portfolio img {
  width: 100%;
}
.p-content .Project {
  padding: 20px;
}
.p-content .Project .address {
  margin: 0 0 20px 0;
}
/* About */
section#about {
  padding: 70px 25px;
  text-align: center;
}
.a-content div.a-para {
  line-height: 2;
}
.a-content img {
  width: 250px;
  height: 375px;
  margin: 50px 0 80px 0;
}
.a-content .one {
  font-weight: bold;
  margin-bottom: 80px;
}
.a-content .two {
  display: flex;
  justify-content: center;
}
.a-content .two::before {
  content: "";
  width: 50%;
  height: 2px;
  background-color: var(--grean);
  position: absolute;
  transform: translateY(-20px);
}
section#contact {
  background-color: var(--section-background);
  padding: 70px 0;
  text-align: center;
  font-weight: 900;
  font-size: 24px;
}
section#contact .subline {
  font-weight: 300;
}
section#contact .first {
  letter-spacing: -2px;
  color: #2c4755;
  margin-top: 70px;
  margin-bottom: 10px;
}
section#contact .E-mail {
  color: var(--grean);
  margin: 10px 0;
}
section#contact .social {
  font-size: 16px;
  font-weight: 300;
}
section#contact span {
  word-spacing: 3px;
}
span.up {
  position: fixed;
  bottom: 20px;
  right: -50px;
  padding: 5px;
  color: white;
  background-color:var(--grean);
  transition: .3s;
  cursor: pointer;
  border-radius: 4px;
  &.show{
    right: 20px;
  }
}
footer {
  background: #2c4755;
  padding: 30px;
  color: #fff;
  font-size: 18px;
  text-align: center;
}
footer span {
  color: var(--grean);
  font-weight: bolder;
}

/* tablets screens */
@media (min-width: 678px) {
  .p-content {
    grid-template-columns: repeat(2, 1fr);
  }
  .content {
    display: grid;
    grid-template-rows: 1fr 1fr;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 10px;
  }
  .content div:not(div:last-child) {
    margin-bottom: 0;
  }
  .content span {
    height: 100%;
    width: 15%;
  }
  .content > div {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
  }
  .content .para2 {
    width: 75%;
  }
  section#services p,
  span {
    text-align: left;
  }
  .para2 p {
    margin: 0;
  }
  .para2 p.address {
    margin-bottom: 15px;
  }
  .advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .headline {
    font-size: 100px;
    margin-top: 40px;
  }
  .subline {
    margin-bottom: 70px;
  }
  section#contact .info {
    padding: 0 0 60px 0;
  }
  section#contact .first,
  .E-mail {
    font-size: 35px;
  }
}
/* pc screen */
@media (min-width: 992px) {
  section#services {
    padding: 0px;
  }
  section#portfolio {
    padding: 35px;
  }
  .advantages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
  .content {
    padding: 30px;
  }
  section#about {
    text-align: left;
  }
  section#about .a-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 10px;
    position: relative;
  }
  section#about .a-content::before {
    content: "";
    height: 75%;
    width: 8%;
    position: absolute;
    top: 18px;
    left: 210px;
    background: var(--grean);
    z-index: -5;
  }
  section#about .a-content::after {
    content: "";
    height: 14%;
    width: 22%;
    position: absolute;
    top: 341px;
    left: 210px;
    background: var(--grean);
    z-index: -5;
  }
  .a-content .one {
    margin: 0;
  }
  .a-content .a-para {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 20px;
  }
  .a-content .two {
    display: block;
    margin: 10px 0;
  }
  .a-content .two::before {
    width: 200px;
  }
  .a-content .image {
    position: relative;
  }
  .a-content .image::before {
    content: "";
    height: 90%;
    width: 20%;
    position: absolute;
    top: 10px;
    left: -20px;
    background: #ebeced;
    z-index: -5;
  }
}