@font-face {
  font-family: 'Helvetica Neue 5';
  src: url('../assets/fonts/helveticaneueroman-webfont.woff2') format('woff2'),
        url('../assets/fonts/helveticaneueroman-webfont.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Helvetica Neue 5';
  src: url('../assets/fonts/helveticaneuebold-webfont.woff2') format('woff2'),
        url('../assets/fonts/helveticaneuebold-webfont.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Helvetica Neue 5';
  src: url('../assets/fonts/helveticaneuelightitalic-webfont.woff2') format('woff2'),
        url('../assets/fonts/helveticaneuelightitalic-webfont.woff') format('woff');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Helvetica Neue 5';
  src: url('../assets/fonts/helveticaneuebolditalic-webfont.woff2') format('woff2'),
        url('../assets/fonts/helveticaneuebolditalic-webfont.woff') format('woff');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  letter-spacing: 0.1px;
}

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  font-family: 'Helvetica Neue 5', Helvetica, Arial, sans-serif;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #072589; 
  padding: 20px 40px;
  border-bottom: 1px solid #333333;
  color: #ffffff;
}

.header-left {
  display: flex;
  align-items: center;
}

.header-left .landing-site-title {
  visibility: visible;
}

.header-left .landing-site-title a {
  font-size: 2.188rem;
  color: #ffffff;
  text-decoration: none;
  visibility: visible;
  text-decoration: none;
  transition: color 0.3s ease;
}

.header-left .landing-site-title a:hover {
  color: #6df8ff;
}

.nav-menu ul {
  list-style: none;
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-menu ul li a {
  text-decoration: none;
  color:#ffffff;
  font-size: 1.25rem;
  transition: color 0.3s ease;
  font-weight: lighter;
}

.nav-menu ul li a:hover {
  color: #6df8ff; 
}

.nav-menu ul li a.active {
  font-weight: bold;
}

a.logo2website {
  display: flex;
  margin-right: 15px;
}

img.logo {
  max-height: 2.25rem;
  transition: transform 0.2s ease;
}

img.logo:hover {
  transform: scale(1.1);
}

/* Header - responsive design */
@media (max-width: 1180px) {
  .nav-menu ul li a {
    font-size: 0.9rem;
  }

  .header-left .landing-site-title a {
    font-size: 1.5rem;
  }
}

@media (max-width: 910px) {
  .nav-button {
    background-color: pink !important;
  }

  .nav-menu ul {
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
  }

  .header-right {
    margin-top: 10px;
  }

  .site-header {
    padding: 2px 30px;
  }

  .column-3-6, .column-2-4, .column-5-8 { /*MOVE*/
    height: calc(94vh - 125px) !important;
  }

  .column-3-6 {
    width: 60vw !important;
  }
}

@media (max-width: 525px) {
  .header-left a img{
    display: none;
  }

  .site-header {
    padding: 2px 5px
  }
}

/* Main content - columns */
.main-content {
  position: relative;
  padding: 20px 0px;
  height: 100%;
  box-sizing: border-box;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  width: 100%;
  height: 80vh;
  flex: 1;
  gap: 10px;
  grid-template-rows: repeat(3, 20vh);
}

.column-1,
.column-2,
.column-7,
.column-8 {
  visibility: visible;
}

.column-2-7 {
  grid-column: 2 / 8;
  grid-row: 1 / 10;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(3, 0.5fr);
  flex: 1;
  gap: 10px;
  background-color: none;
  height: 100%;
  margin: 0 auto 0 auto;
  width: 100%;
}

.column-3-6 {
  grid-column: 3 / 7;
  grid-row: 1 / 2;
  display: flex;
  flex-direction: column;
  padding: 20px;
  border-radius: 4px;
  background-color: none;
  box-shadow: 0px 0px 1px 1px rgba(51, 51, 51, 0.25);
  height: calc(98vh - 125px);
  margin: 0 auto 0 auto;
  width: 45vw;
  z-index: 1;
}

.column-2-4 {
  grid-column: 2 / 5;
  grid-row: 1 / 2;
  display: flex;
  flex-direction: column;
  border: 1px solid #e2e6e9;
  padding: 20px;
  border-radius: 4px;
  background-color: none;
  box-shadow: 0px 0px 1px 1px rgba(51, 51, 51, 0.25);
  height: calc(98vh - 125px);
  margin: 0 auto 0 auto;
  width: 45vw; 

}

.column-5-8 { /* should be 5-7 lol */
  grid-column: 5 / 8;
  grid-row: 1 / 2;
  display: flex;
  flex-direction: column;
  border: 1px solid #e2e6e9;
  padding: 20px;
  border-radius: 4px;
  background-color: none;
  box-shadow: 0px 0px 1px 1px rgba(51, 51, 51, 0.25);
  height: calc(98vh - 125px);
  margin: 0 auto 0 auto;
  width: 45vw; 

}

.column-1 {
  grid-column: 1;
  grid-row: 1 / 6;
  display: flex;
  align-items: center;       
  justify-content: center;
  padding-left: 5px;
  box-sizing: border-box;
}

.column-8 {
  grid-column: 8;
  grid-row: 1 / 6;
  display: flex;
  align-items: center;       
  justify-content: center;
  padding-right: 5px;
  box-sizing: border-box;

}

@media (min-width: 1024px) {
  .grid-container {
    height: 80vh;
  }
}

@media (max-width: 1024px) {
  .column-1 {
    grid-column: 2 !important;
    visibility: hidden;
  }

  .column-8 {
    grid-column: 7 !important;
    visibility: hidden;
  }
}

@media (max-width: 750px) {
  .column-2-4 {
    grid-row: 1 / 2 !important;
    grid-column: 1 / 9 !important;
    height: 20vh !important;
    width: 60vw !important;
    padding: 5px !important;
  }

  .column-2-4 img {
    max-width: 58vw !important;
    max-height: 18vh !important;
  }

  .column-2-4 figcaption {
    font-size: 0.5rem;
    margin-bottom: 0.1rem;
  }

  .column-5-8 {
    grid-column: 1 / 9 !important;
    grid-row: 2 / 3 !important;
    width: 60vw !important;
    height: 55vh !important;
  }
} 

/* Main content - content containers */
.scrollable-text {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px;
  scroll-behavior: smooth; 
  box-sizing: border-box;
  position: relative;
  color: #000000;
}

.scrollable-text::-webkit-scrollbar {
  width: 5px;
}

.scrollable-text::-webkit-scrollbar-track {
  border-color: #e2e6e9;
  border-radius: 4px;
}

.scrollable-text::-webkit-scrollbar-thumb {
  background-color: #178cff; 
  border-radius: 4px;
  border: 0px solid #333333;
}

.scrollable-text::-webkit-scrollbar-thumb:hover {
  background-color: #072589;
}

.scrollable-text h1 {
  color: #178cff;
  font-weight: 700;
  font-size: 2rem;
  line-height: 2.625rem;
  margin-bottom: 0.5rem;
}

.scrollable-text h2 {
  color: #178cff;
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 2rem;
  margin-bottom: 0.5rem;
}

.scrollable-text p {
  font-size: 1rem;
  margin-bottom: 1rem;
  line-height: 1.38rem;
}

.scrollable-text a {
  color: #178cff;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.38rem;
  transition: transform 0.2s ease;
}

.scrollable-text a:hover {
  transform: scale(1.1);
  color: #072589
  }

.scrollable-text img {
  visibility: visible;
  max-width: -moz-available;
  max-width: -webkit-fill-available;
  max-width: fill-available;
  display: block;
  margin: auto;
}

.scrollable-text ul {
  padding-left: 40px;
  margin-bottom: 1rem;
}

/* .carousel-text {
  flex: 4;
  margin-left: 20px;
} */

.carousel-image {
  flex: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-image img {
  max-width: 40vw;
  max-height: 70vh;
  border-radius: 0px;
  box-shadow: 0px 0px 1px 1px rgba(51, 51, 51, 0.25);
}

figcaption {
  text-align: right;
  font-size: 0.8rem;
  font-style: italic;
}


/* Main content - buttons */
.nav-button {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background-color: #072589;
  color: #ffffff;
  border: none;
  padding: 15px 25px;
  font-size: 1.2rem;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0px 0px 1px 1px rgba(51, 51, 51, 0.25);
  transition: background-color 0.3s ease;
  z-index: 1000; 
  font-weight: 700;
}

.nav-button:hover {
  background-color: #6df8ff;
}

@media (max-width: 1024px) {
  .nav-button {
    background-color: red;
  }
}

.next-button, .previous-button {
  font-size: 7rem;
  background: none;
  border: none;
  cursor: pointer;
  color: #178cff;

  transition: transform 0.2s ease;
}

.next-button:hover, .previous-button:hover {
  transform: scale(1.1);
  color: #6df8ff
}



/* Helpers */
.hidden {
  opacity: 0;
  pointer-events: none;
}

.fade-out {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.fade-in {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.5s ease;
}

/* Contents page */
.contents-entry {
  border: 1px solid #e2e6e9;
  padding: 10px;
  border-radius: 4px;
  background-color: #ffffff;
  max-height: inherit;
  max-width: inherit;
  overflow-x: hidden;
  overflow-y: hidden;
  transition: transform 0.2s ease;
  cursor: pointer;
}

.contents-entry h1 {
  color: #e2e6e9;
  font-weight: 700;
  font-size: calc(hypot(1vh, 1vw)* 1.2268);
  text-shadow: 2px 2px 10px black;
}

.contents-entry:hover {
  transform: scale(1.01);
}

#contents-case-study-1 {
  grid-column: 1;
  grid-row: 1;
  background-image: url("../images/case_study_images/casestudy1.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-2 {
  grid-column: 2;
  grid-row: 1;
  background-image: url("../images/case_study_images/casestudy2.jpeg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-3 {
  grid-column: 3;
  grid-row: 1;
  background-image: url("../images/case_study_images/casestudy3.avif");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-4 {
  grid-column: 4;
  grid-row: 1;
  background-image: url("../images/case_study_images/casestudy4.avif");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-5 {
  grid-column: 5;
  grid-row: 1;
  background-image: url("../images/case_study_images/casestudy5.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-6 {
  grid-column: 1;
  grid-row: 2;
  background-image: url("../images/case_study_images/casestudy6.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-7 {
  grid-column: 2;
  grid-row: 2;
  background-image: url("../images/case_study_images/casestudy7.avif");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-8 {
  grid-column: 3;
  grid-row: 2;
  background-image: url("../images/case_study_images/casestudy8.png");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-9 {
  grid-column: 4;
  grid-row: 2;
  background-image: url("../images/case_study_images/casestudy9.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-10 {
  grid-column: 5;
  grid-row: 2;
  background-image: url("../images/case_study_images/casestudy10.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-11 {
  grid-column: 1;
  grid-row: 3;
  background-image: url("../images/case_study_images/casestudy11.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-12 {
  grid-column: 2;
  grid-row: 3;
  background-image: url("../images/case_study_images/casestudy12.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-13 {
  grid-column: 3;
  grid-row: 3;
  background-image: url("../images/case_study_images/casestudy13.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-14 {
  grid-column: 4;
  grid-row: 3;
  background-image: url("../images/case_study_images/casestudy14.png");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}

#contents-case-study-15 {
  grid-column: 5;
  grid-row: 3;
  background-image: url("../images/case_study_images/casestudy15.jpg");
  background-color: #072589;
  background-size: cover;
  background-blend-mode: soft-light;
}