:root {
  --main-color: #10cab7;
  --section-padding: 60px;
  --section-color: #f6f6f6;
  --transi-duration: 1s;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Work Sans", sans-serif;
}

.container {
  padding-left: 15px;
  padding-right: 15px;
  margin-left: auto;
  margin-right: auto;
}

/* Small */
@media (min-width: 768px) {
  .container {
    width: 750px;
  }
}
/* Medium */
@media (min-width: 992px) {
  .container {
    width: 970px;
  }
}
/* Large */
@media (min-width: 1200px) {
  .container {
    width: 1170px;
  }
}

/* styling headers of the page */
.paragraph-header {
  font-size: 100px;
  font-weight: 800;
  margin: 0;
  color: #ebeced;
  display: flex;
  justify-content: center;
  align-items: center;
  letter-spacing: -3px;
  text-transform: capitalize;
}

.paragraph-second-header {
  margin-top: -29px;
  margin-bottom: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: rgb(121, 121, 161);
  font-size: 19px;
}

@media (max-width: 767px) {
  .paragraph-header {
    font-size: 60px;
  }
  .paragraph-second-header {
    margin-top: -20px;
  }
}

/* styling header */

header {
  padding: 20px;
}
.head-of-the-page {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .head-of-the-page img {
  width: 60px;
}

header .head-of-the-page .links {
  position: relative;
}

header .head-of-the-page .links .lines {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  width: 30px;
}

header .head-of-the-page .links:hover .lines span:nth-child(2) {
  width: 100%;
}

header .head-of-the-page .links:hover ul {
  display: block;
}

header .head-of-the-page .links .lines span {
  background-color: #333;
  margin-bottom: 5px;
  height: 2px;
}

header .head-of-the-page .links .lines span:first-child {
  width: 100%;
}

header .head-of-the-page .links .lines span:nth-child(2) {
  width: 60%;
  transition: var(--transi-duration);
}

header .head-of-the-page .links .lines span:last-child {
  width: 100%;
}

header .head-of-the-page .links ul {
  background-color: var(--section-color);
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  position: relative;
  display: none;
  z-index: 1;
  margin: 0;
  padding: 0;
  position: absolute;
  right: 0;
  min-width: 200px;
  top: calc(100% + 15px);
}

header .head-of-the-page .links ul::before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-width: 10px;
  border-style: solid;
  border-color: transparent transparent var(--section-color) transparent;
  top: -20px;
  right: 4px;
}

header .head-of-the-page .links ul li {
  position: relative;
  width: 100%;
  padding: 15px;
  transition: var(--transi-duration);
}

header .head-of-the-page .links ul li:hover {
  padding-left: 20px;
}

header .head-of-the-page .links ul li:not(:last-child) {
  border-bottom: 1px #ddd solid;
}
header .head-of-the-page .links ul li a {
  color: #333;
  text-decoration: none;
  display: block;
}

/* styling mountain photo */
.mountain-pic {
  position: relative;
  background-image: url(../imgs/start.jpg);
  background-size: cover;
  height: calc(100vh - 64px);
}

.mountain-pic .paragraph-inside-photo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  max-width: 100%;
  text-align: center;
}

.mountain-pic .paragraph-inside-photo h1 {
  color: var(--main-color);
  font-size: 50px;
  font-weight: bold;
}

.mountain-pic .paragraph-inside-photo p {
  line-height: 1.8;
  font-size: 19px;
}

/* styling features */
.features {
  background-color: var(--section-color);
  height: fit-content;
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.features .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.features .feature {
  width: 30%;
  margin-top: 40px;
  margin-bottom: 40px;
}

@media (min-width: 0px) {
  .features .feature {
    width: 100%;
  }
}
/* Medium */
@media (min-width: 992px) {
  .features .feature {
    width: 45%;
  }
}
/* Large */
@media (min-width: 1200px) {
  .features .feature {
    width: 30%;
  }
}

.features .feature i,
.features .feature h3,
.features .feature p {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.features .feature h3 {
  margin-top: 20px;
  margin-bottom: 20px;
  font-weight: 800;
}

.features .feature p {
  line-height: 1.8;
  color: #777;
  font-size: 17px;
}

.features .feature i {
  color: var(--main-color);
}

/* styling Services */

.Services {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.Services img {
  display: block;
}

.Services .services-types {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 100px;
}

.Services .services-types .col .serve {
  display: flex;
  gap: 10px;
  margin-bottom: 40px;
}
@media (max-width: 767px) {
  .Services .services-types .col .serve {
    flex-direction: column;
    text-align: center;
  }
}

.services-types i {
  color: var(--main-color);
  font-size: 30px;
}

.Services .services-types .col .serve .text {
  flex: 1;
}

.services-types h3 {
  font-weight: bolder;
  margin: 0 0 20px;
}

.services-types p {
  line-height: 1.6;
  font-weight: 300;
  opacity: 0.5;
}

.Services .services-types .type-photo {
  position: relative;
  text-align: center;
}
.Services .type-photo::after {
  content: "";
  width: 30%;
  height: 120%;
  position: absolute;
  top: -35px;
  right: 10px;
  background-color: var(--main-color);
  z-index: -2;
}

.Services .type-photo img {
  height: 350px;
  width: 260px;
  margin-left: 40px;
}

@media (max-width: 1199px) {
  .Services .services-types .type-photo {
    display: none;
  }
}

/* Styling portofolio */
.portfolio {
  background-color: var(--section-color);
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.portfolio img {
  display: block;
}

.photos {
  display: flex;
  justify-content: space-evenly;
  flex-wrap: wrap;
}

.photos .photo {
  width: 30%;
  background-color: white;
  margin-bottom: 30px;
}

/* Small */
@media (min-width: 0px) {
  .photos .photo {
    width: 100%;
  }
}
/* Medium */
@media (min-width: 992px) {
  .photos .photo {
    width: 45%;
  }
}
/* Large */
@media (min-width: 1200px) {
  .photos .photo {
    width: 30%;
  }
}

.photos .photo img + p {
  font-size: 15px;
  font-weight: bolder;
  margin: 10px auto 10px 10px;
}

.photos .photo img + p + p {
  margin: 10px;
  line-height: 30px;
  opacity: 0.3;
}

.photos img {
  max-width: 100%;
}

/* styling about */

.about {
  padding-top: var(--section-padding);
  padding-bottom: calc(var(--section-padding) + 60px);
}

.about .about-types {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

@media (max-width: 991px) {
  .about .about-types {
    flex-direction: column;
    text-align: center;
    justify-content: center;
    align-items: center;
  }
  .about .about-types .about-photo::before,
  .about .about-types .about-photo::after {
    display: none;
  }

  .about .about-types .about-photo {
    margin-top: 50px;
    margin-bottom: 50px;
  }
}

.about .about-types .topic {
  flex-basis: calc(100% - 500px);
}

.about .first-paragraph > p {
  font-weight: bolder;
  line-height: 30px;
}

.about .line {
  width: 50%;
  background-color: var(--main-color);
  display: inline-block;
  margin: 30px 0;
}

.about .second-paragraph > p {
  opacity: 0.5;
  line-height: 30px;
}

.about img {
  display: inline-block;
  max-width: 100%;
  position: relative;
  z-index: 1;
}

.about .about-types .about-photo {
  position: relative;
  width: 40%;
  width: 250px;
  height: 375px;
  z-index: 1;
}

.about .about-types .about-photo::before {
  content: "";
  background-color: #ebeced;
  position: absolute;
  top: -45px;
  left: -20px;
  width: 35%;
  height: 120%;
}

.about .about-types .about-photo::after {
  content: "L";
  color: var(--main-color);
  font-family: "Franklin Gothic Medium", "Arial Narrow", Arial, sans-serif;
  position: absolute;
  font-size: 600px;
  font-weight: bolder;
  top: -200px;
  left: 150px;
}

/* styling contact us */
.contact-us {
  background-color: var(--section-color);
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.contact-us .paragraph-email {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  flex-direction: column;
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.contact-us .paragraph-email > p {
  color: #2c4755;
  font-size: 35px;
  font-weight: 800;
  letter-spacing: -2px;
}

.contact-us .paragraph-email > p + a {
  display: block;
  margin: 20px auto;
  color: #10cab7;
  font-weight: bolder;
  text-decoration: none;
  font-size: 35px;
}

@media (max-width: 767px) {
  .contact-us .paragraph-email > p,
  .contact-us .paragraph-email > p + a {
    font-size: 25px;
  }
}

.contact-us .paragraph-email div i {
  color: #2c4755;
  margin-left: 10px;
}

.contact-us .paragraph-email div :first-child {
  font-size: 20px;
  display: inline-block;
  margin-right: 5px;
}

/* styling footer */
footer {
  background-color: #2c4755;
  padding: 30px;
}
footer pre {
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 18px;
  letter-spacing: -1px;
}
footer span {
  color: var(--main-color);
  font-weight: bolder;
}