/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

figure {
  margin: 0;
}

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Sk Modernist";
  src: url("../assets/fonts/Sk-Modernist-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Futura PT Bold";
  src: url("../assets/fonts/futura-pt-webfont/FuturaCyrillicBold.woff")
    format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Futura PT Medium";
  src: url("../assets/fonts/futura-pt-webfont/FuturaCyrillicMedium.woff")
    format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Castoro";
  src: url("../assets/fonts/Castoro/Castoro-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Castoro";
  src: url("../assets/fonts/Castoro/Castoro-Italic.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Cardo";
  src: url("../assets/fonts/Cardo/Cardo-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Cardo";
  src: url("../assets/fonts/Cardo/Cardo-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Cardo";
  src: url("../assets/fonts/Cardo/Cardo-Italic.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Droid Sans Mono";
  src: url("../assets/fonts/droid-sans-mono/DroidSansMono.ttf")
    format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Hind";
  src: url("../assets/fonts/Hind/Hind-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Hind";
  src: url("../assets/fonts/Hind/Hind-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Hind";
  src: url("../assets/fonts/Hind/Hind-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Hind";
  src: url("../assets/fonts/Hind/Hind-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Hind";
  src: url("../assets/fonts/Hind/Hind-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Work Sans";
  src: url("../assets/fonts/Work_Sans/WorkSans-VariableFont_wght.ttf")
    format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* @font-face {
  font-family: "Work Sans";
  src: url("../assets/fonts/Work_Sans/WorkSans-Italic-VariableFont_wght.ttf")
    format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
} */

/* ---------- Base ---------- */
:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #8a8a8a;
  --color-border: #e6e6e6;
  --color-accent: #1a1a1a;
  --sidebar-width: 300px;
  --font-base:
    "Droid Sans Mono", "Cardo", "Geist", "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Hind", "Work Sans", "Helvetica Neue", Arial, sans-serif;
  --font-nav: "Hind", "Helvetica Neue", Arial, sans-serif;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  font-size: 14px;
  /* letter-spacing: 1px; */

  cursor: default;
  -webkit-user-select: none;
  user-select: none;
}

/* ---------- Layout ---------- */
.layout {
  display: flex;
  min-height: 100vh;
  /* Scales smoothly with viewport width instead of a fixed 100px, which
     ate a quarter of the screen on phones. */
  padding-left: clamp(24px, 6vw, 100px);
}

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-family: "Geist";
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Mobile menu toggle — hidden on desktop, shown + wired to a fullscreen
   overlay only inside the responsive tier below. */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  z-index: 101;
}

.nav-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition:
    transform 0.25s ease,
    opacity 0.25s ease,
    width 0.25s ease;
}

.nav-burger span:nth-child(2) {
  width: 70%;
}

.nav-burger.is-active span {
  width: 100%;
}

.nav-burger.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-burger.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-burger.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-link {
  display: block;
  width: 100%;
  padding: 6px 0;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: left;
  color: var(--color-text-muted);
  background: none;
  border: none;
  font-family: var(--font-nav);
  cursor: pointer;
}

.nav-link:hover {
  color: var(--color-accent);
}

.nav-link.is-active {
  color: var(--color-text);
}

.nav-sublist {
  display: none;
  flex-direction: column;
}

.nav-category.is-active-section .nav-sublist {
  display: flex;
}

.nav-sublink {
  padding: 4px 0;
  font-size: 14px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--color-text-muted);
}

.nav-sublink:hover,
.nav-sublink.is-active {
  color: var(--color-text);
}

.social-list {
  display: flex;
  gap: 18px;
  margin-top: auto;
}

.social-list a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.social-list a:hover {
  color: var(--color-text);
}

/* ---------- Content ---------- */
.content {
  flex: 1;
  padding: 56px 64px;
  min-width: 0;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 35px;
  font-weight: 600;
  letter-spacing: 0.5px;
  /* text-transform: uppercase; */
  text-align: left;
  margin: 0 0 12px;
  /* text-decoration: underline; */
}

/* ---------- About ---------- */
.about-body {
  display: flex;
  gap: 64px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.about-photo {
  width: 380px;
  flex-shrink: 0;
  margin: 0;
  background: #f2f0f5;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

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

.about-text {
  flex: 1;
  min-width: 260px;
  max-width: 540px;
  padding-top: 8px;
}

.about-text p {
  margin: 0 0 20px;
  color: var(--color-text);
}

.contact-line {
  margin-top: 36px;
  font-weight: 600;
}

.contact-line a {
  text-decoration: underline;
  font-weight: 400;
}

/* ---------- Grid (Graphic Design / Motion) ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.grid--landing {
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-width: 1000px;
  margin: 0;
}

.grid-item {
  display: block;
  cursor: pointer;
  text-align: left;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.grid-item img,
.grid-item video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #f2f0f5;
  filter: brightness(1);
  transition: filter 0.3s ease;
}

.grid-item:hover img,
.grid-item:hover video {
  filter: brightness(0.22);
}

.grid-item-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.grid-item:hover .grid-item-label {
  opacity: 1;
}

.grid--landing .grid-item img,
.grid--landing .grid-item video {
  aspect-ratio: 1 / 1;
}

.back-to-top {
  display: block;
  text-align: center;
  margin-top: 48px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.back-to-top:hover {
  color: var(--color-text);
}

/* ---------- Project detail ---------- */
.project-body {
  max-width: 960px;
  margin: 0;
}

.project-body > p {
  margin: 0 0 20px;
}

/* ---------- Project case study ---------- */
.case-text {
  margin: 0 0 32px;
  text-align: left;
}

.case-text--note {
  margin-top: -8px;
  font-size: 12px;
  font-style: italic;
  color: var(--color-text-muted);
}

.case-heading {
  font-family: "Hind";
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-align: left;
  color: var(--color-text-muted);
  /* margin: 72px 0 32px; */
  margin-top: 72px;
}

.case-image {
  display: flex;
  justify-content: left;
  margin: 20px 0;
}

.case-image img {
  width: 100%;
  min-width: 0;
  border-radius: 2px;
}

.case-video {
  display: flex;
  justify-content: center;
  margin: 20px 0;
  border-radius: 6px;
}

.case-video video {
  width: 100%;
  min-width: 0;
  border-radius: 6px;
}

.case-embed {
  margin: 20px 0;
}

.case-embed iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 2px;
}

/* A masonry column layout — every tile keeps its own native aspect ratio
   (no cropping), and the resulting varied heights create a clean,
   staggered mosaic instead of a flat uniform grid. Works for any mix of
   <img>/<video>, in any order or count — nothing here depends on how
   many items there are. */
.case-masonry {
  column-count: 2;
  column-gap: 12px;
  margin: 20px 0;
}

.case-masonry video,
.case-masonry img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 12px;
  border-radius: 8px;
  break-inside: avoid;
}

.is-zoomable {
  cursor: zoom-in;
}

.case-image--sm img {
  max-width: 420px;
  border-radius: 0;
}

.case-image--md img {
  max-width: 640px;
}

.case-image-group {
  margin: 0 0 40px;
}

.case-image-group-row {
  display: flex;
  gap: 16px;
}

.case-image-group-row img {
  flex: 1;
  width: 100%;
  min-width: 0;
  border-radius: 4px;
}

.case-image-group-row--framed {
  gap: 20px;
}

.case-image-group figcaption {
  margin-top: 12px;
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* A row of 2-3 heading+image pairs side by side (e.g. flavor/color
   variants shown together instead of stacked full-width). */
.case-trio {
  display: flex;
  gap: 0px;
  margin: 56px 0 20px;
}

.case-trio-item {
  flex: 1;
  min-width: 0;
}

.case-trio-item .case-heading {
  margin-top: 0;
}

.case-trio-item .case-image {
  margin: 12px 0 0;
}

.case-gallery {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-gallery img {
  width: 100%;
  border-radius: 6px;
}

/* ---------- Responsive ---------- */
/* Tablet / iPad (portrait iPads land here; landscape ones are wide enough
   to keep the desktop sidebar layout, just with the fluid padding above). */
@media (max-width: 900px) {
  .layout {
    flex-direction: column;
    /* The fluid padding above is only for the desktop fixed-sidebar
       layout. On mobile .sidebar-header is position:fixed (viewport-
       relative, skips this entirely) while .content stays in normal
       flow — leaving this set would shift .content right without
       moving the header, breaking the left/right alignment. */
    padding-left: 0;
  }

  .sidebar {
    width: 100%;
    padding: 0;
    gap: 0;
    position: static;
    height: auto;
    overflow-y: visible;
  }

  /* Logo + burger become a fixed bar pinned to the top of the viewport,
     so the burger stays reachable (and tappable to close) even once the
     fullscreen nav below is open and covering everything underneath. */
  .sidebar-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 24px;
    background: var(--color-bg);
    z-index: 101;
  }

  .nav-burger {
    display: flex;
  }

  /* Fullscreen overlay menu — hidden until .nav-burger toggles .is-open
     (see js/app.js), then fades/slides in like a Tom Sachs-style burger
     menu: bold, centered, full-bleed. */
  .nav {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 40px;
    overflow-y: auto;
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition:
      opacity 0.3s ease,
      transform 0.3s ease,
      visibility 0s linear 0.3s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition:
      opacity 0.3s ease,
      transform 0.3s ease,
      visibility 0s linear 0s;
  }

  .nav-list {
    align-items: center;
    gap: 20px;
    text-align: center;
  }

  .nav-link {
    padding: 6px 0;
    font-size: 28px;
    text-align: center;
  }

  .nav-sublist {
    align-items: center;
  }

  .nav-sublink {
    padding: 8px 0;
    font-size: 16px;
  }

  .content {
    padding: 120px 24px 40px;
  }

  .page-title {
    font-size: 32px;
  }

  .case-trio {
    flex-direction: column;
    gap: 32px;
  }

  .about-body {
    gap: 32px;
  }

  .about-photo {
    width: 100%;
    max-width: 380px;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Phone — narrower than any iPad, so this is where things actually need
   to stack instead of sit side by side. */
@media (max-width: 640px) {
  .content {
    padding: 100px 20px 32px;
  }

  .sidebar-header {
    padding: 16px 20px;
  }

  .case-heading {
    margin-top: 48px;
  }

  .case-masonry {
    column-count: 1;
  }

  .case-image-group-row {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 26px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Media lightbox (click a case-study image/video to enlarge) ---------- */
.media-lightbox {
  border: none;
  border-radius: 8px;
  padding: 0;
  max-width: min(92vw, 1100px);
  max-height: 90vh;
  background: var(--color-bg);
  opacity: 0;
  transform: scale(0.92);
  transition:
    opacity 0.22s ease,
    transform 0.22s ease;
}

/* Toggled by JS one frame after showModal() (open) / removed before the
   delayed close() call (close), so the dialog always animates between
   these two states instead of snapping open/closed. */
.media-lightbox.is-visible {
  opacity: 1;
  transform: scale(1);
}

.media-lightbox::backdrop {
  background: rgba(0, 0, 0, 0);
  transition: background-color 0.22s ease;
}

.media-lightbox.is-visible::backdrop {
  background: rgba(0, 0, 0, 0.75);
}

.media-lightbox-content {
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-lightbox-content img,
.media-lightbox-content video {
  max-width: min(92vw, 1100px);
  max-height: 90vh;
  display: block;
}