/* ------------------------------------------------------- */
/* Variables (mobile first)                                */
/* ------------------------------------------------------- */

:root {
  --spacingTiny: 10px;
  --spacingSmall: 20px;
  --spacingMedium: 30px;
  --spacingLarge: 40px;
  --spacingHuge: 60px;
  --menuHeight: 60px;
  --contentHorizontalPadding: 47px;
  --contentMaxWidth: 1024px;
  --contentBlockGap: 30px;  /* Vertical space between content blocks */
  --sectionColumnGap: 30px; /* Horizontal spacing between content sections. */
  --sectionHorizontalPadding: 20px; /* Padding left and right for individual sections. */
  --colorDark1000: rgb(0, 0, 0);
  --colorDark900: rgb(36, 36, 36);
  --colorDark400: rgb(145, 145, 145);
  --colorLight1000: rgb(255, 255, 255);
  --colorLight900: rgb(255, 253, 250);
}

/* Desktop version */
@media (min-width: 600px) {
  :root {
    --contentBlockGap: 100px;  /* Vertical space between content blocks */
  }
}

/* ------------------------------------------------------- */
/* General                                                 */
/* ------------------------------------------------------- */

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--colorLight900);
  color: var(--colorDark900);
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

video {
  outline: none;
}

a,
li,
span,
em,
p {
  font-family: "Roboto", sans-serif;
  font-size: 21px;
  line-height: 1.6em;
}

p {
  margin: 0;
}

h2,
h3,
h4 {
  font-family: "Fraunces", serif;
  font-optical-sizing: auto;
}

h2 {
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
  font-size: 48px;
  margin: 0;
  text-align: center;
}

h4 {
  font-family: "Roboto", sans-serif;
  font-size: 24px;
  line-height: 1.6em;
  margin: 0;
  margin-bottom: var(--spacingTiny);
  font-weight: 800;
  letter-spacing: -0.3pt;
}

a {
  font-family: "Roboto", sans-serif;
  color: black;
  text-decoration: none;
}

em {
  color: gray;
}

ul {
  padding-left: 1.25rem;
}

/* ------------------------------------------------------- */
/* Site (mobile first)                                     */
/* ------------------------------------------------------- */

body {
}

#root {
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 100vh;
}

#content {
  display: flex;
  flex-direction: column;
  gap: var(--contentBlockGap);
}

img.fit-width {
  width: 100%;
  object-fit: cover;
}

#content:last-child {
  margin-bottom: var(--contentBlockGap);
}

/* ------------------------------------------------------- */
/* Navigation                                              */
/* ------------------------------------------------------- */

header {
  display: flex;
  flex-direction: row;
  justify-content: center;
  height: var(--menuHeight);
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 999;
  transform: translateY(0);
  transition: transform 0.3s ease-in-out;
  background-color: var(--colorLight900);
  border-bottom: 1px solid rgb(225, 225, 225);
}

header[data-dir="down"] {
  transform: translateY(-100%);
}

nav {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  flex: 1;
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

nav a {
  color: black;
}

nav ul {
  display: flex;
  flex-direction: row;
  list-style: none;
  gap: var(--spacingSmall);
}

nav img {
  width: 64px;
}

#menu nav > a {
  line-height: 0;
}

#menu [data-active="yes"] {
  color: var(--colorDark400);
}

/* Desktop */
@media (min-width: 600px) {
  nav {
    max-width: var(--contentMaxWidth);
    margin: auto;
  }
}

/* ------------------------------------------------------- */
/* NEXT & PREVIOUS NAVIGATION                              */
/* ------------------------------------------------------- */

nav.paging {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin: var(--contentBlockGap) auto;
}

nav.paging a {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 21px;
  border: 1px solid var(--colorDark900);
  border-radius: 30px;
  line-height: 20px;
  cursor: pointer;
}

nav.paging .paging-previous:hover,
nav.paging .paging-next:hover {
  background-color: var(--colorDark900);
  color: var(--colorLight900);
}

nav.paging .paging-previous:hover img, 
nav.paging .paging-next:hover img {
  filter: invert(1);
}

nav.paging .paging-previous {
  padding-left: 32px;
  padding-right: 15px;
  padding-top: 8px;
  padding-bottom: 8px;
  align-self: flex-start;
}

nav.paging .paging-next {
  padding-right: 32px;
  padding-left: 15px;
  padding-top: 8px;
  padding-bottom: 8px;
  margin-left: auto;
}

nav.paging .paging-previous img,
nav.paging .paging-next img {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  transform: translateY(-50%);
}

nav.paging .paging-previous img {
  left: 12px;
}

nav.paging .paging-next img {
  right: 12px;
}

/* ------------------------------------------------------- */
/* PROJECT INDEX (mobile first)                            */
/* ------------------------------------------------------- */

.project-index {
  display: flex;
  flex-direction: column;
  margin: auto;
  width: 100%;
  max-width: var(--contentMaxWidth);
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

.project-index img {
  width: 100%;
  object-fit: cover;
  margin-bottom: var(--spacingMedium);
}

.project-index > div {
  display: flex;
  flex-direction: column;
}

.project-index h4 {
  margin-bottom: 0;
}

/* Desktop */
@media (min-width: 600px) {
  .project-index div {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ------------------------------------------------------- */
/* PROJECT MASTHEAD (mobile first)                         */
/* ------------------------------------------------------- */

.project-masthead {
  margin-top: var(--menuHeight);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.project-masthead img {
  width: var(--contentMaxWidth);
  height: 575px;
  object-fit: cover;
  margin-bottom: var(--contentBlockGap);
}

/* ------------------------------------------------------- */
/* TEXT + IMAGE, IMAGE + TEXT (mobile first)               */
/* ------------------------------------------------------- */

.text-text,
.image-text,
.text-image {
  display: flex;
  flex-direction: column;
  gap: var(--sectionColumnGap);
  max-width: var(--contentMaxWidth);
  margin: auto;
}

.image-text img,
.text-image img {
  width: 100%;
}

.text-text section,
.image-text section,
.text-image section {
  flex: 1;
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

/* Desktop */
@media (min-width: 600px) {
  .text-text,
  .image-text,
  .text-image {
    flex-direction: row;
  }
}

/* ------------------------------------------------------- */
/* TITLE + TEXT (mobile first)                             */
/* ------------------------------------------------------- */

.title-text {
  display: flex;
  flex-direction: column;
  margin: auto;
  width: 100%;
}

.title-text section {
  display: flex;
  flex-direction: column;
  gap: var(--spacingMedium);
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

/* Desktop */
@media (min-width: 600px) {
  
  .title-text {
    max-width: var(--contentMaxWidth);
    flex-direction: row;
    gap: var(--sectionColumnGap);
  }

  .title-text h4 {
    
  }
  
  .title-text section {
    flex: 1;
  }
}

/* ------------------------------------------------------- */
/* TEXT + EMPTY                                            */
/* ------------------------------------------------------- */

.text-empty {
  display: flex;
  flex-direction: row;
  max-width: var(--contentMaxWidth);
  margin: auto;
}

.text-empty section {
  flex: 1.0;
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

/* Desktop */
@media (min-width: 600px) {

  .text-empty section {
    flex: 0.5;
  }
}

/* ------------------------------------------------------- */
/* EMPTY + TEXT                                            */
/* ------------------------------------------------------- */

.empty-text {
  display: flex;
  flex-direction: row-reverse;
  max-width: var(--contentMaxWidth);
  margin: auto;
}

.empty-text section {
  flex: 1.0;
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

/* Desktop */
@media (min-width: 600px) {

  .empty-text section {
    padding-left: calc(var(--sectionColumnGap) + var(--sectionHorizontalPadding) * 3);
    flex: 0.5;
  }
}

/* ------------------------------------------------------- */
/* TEXT + TITEL CONTENT WIDTH                              */
/* ------------------------------------------------------- */

.text-content {
  max-width: var(--contentMaxWidth);
  margin: auto;
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

/* ------------------------------------------------------- */
/* IMAGE CONTENT SPREAD                                    */
/* ------------------------------------------------------- */

.spread-content {
  width: 100%;
  max-width: var(--contentMaxWidth);
  margin: auto;
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

/* ------------------------------------------------------- */
/* IMAGE FULL SPREAD                                       */
/* ------------------------------------------------------- */

.spread-full {
  width: 100%;
  padding-left: var(--sectionHorizontalPadding);
  padding-right: var(--sectionHorizontalPadding);
}

/* Desktop */
@media (min-width: 600px) {
  
  .spread-full {
    padding: 0;
  }
}

/* ------------------------------------------------------- */
/* CASE STUDY                                              */
/* ------------------------------------------------------- */

#content .get-in-touch {
  border-top: 1px solid var(--colorDark400);
  border-bottom: 1px solid var(--colorDark400);
  padding-top: var(--spacingLarge);
  padding-bottom: var(--spacingLarge);
}

#content .get-in-touch a {
  font-weight: 700;
  text-decoration: underline;
}

/* ------------------------------------------------------- */
/* ABOUT PAGE                                              */
/* ------------------------------------------------------- */

[data-variant="text-large"] .content {
  flex: 3.0;
}

[data-page="about"] .brands {
  display: grid;
  grid-template-columns: repeat(2, 50% [col-start]);
  justify-items: center;
  max-width: var(--contentMaxWidth);
  margin: auto;
  width: 100%;
  gap: 16px;
}

[data-page="about"] .brands img {
  filter: invert(1);
  width: 90px;
  height: 98px;
  object-fit: contain;
}

/* Desktop */
@media (min-width: 600px) {
  
  [data-page="about"] .brands {
    grid-template-columns: repeat(4, 25% [col-start]);
    justify-items: self-start;
  }
}