* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Ray", sans-serif;
  user-select: none;
}

html, body {
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-main);
  }

html::-webkit-scrollbar, body::-webkit-scrollbar { 
  display: none; 
}

body:has(.typeface-list-container.active) { 
  overflow-y: auto !important; 
}


html:has(.typeface-list-container.active),
body:has(.typeface-list-container.active) { 
  overflow-y: auto !important;
  height: auto !important;
}

body::after {
  content: "";
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to top, #fff, transparent);
  pointer-events: none;
  z-index: 800;
  opacity: 0;
  transition: opacity 0.3s ease;
}

body:has(.typeface-list-container.active)::after { opacity: 1; }
body:has(.typeface-list-container.active) .scroll-indicator { display: none !important; }

.presentation-wrapper, .typeface-list-container { display: none !important; }
.presentation-wrapper.active, .typeface-list-container.active { display: block !important; }

.presentation-wrapper, .presentation-wrapper * { box-sizing: border-box; }

.presentation-wrapper {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

.slide {
  width: 100%;
  height: 100dvh;
  display: grid;
  grid-template-columns: repeat(3, 1fr); 
  align-items: center;
  justify-content: space-between;
  gap: 60px; 
  padding: 0 120px; 
  box-sizing: border-box;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
}

.slide.active { pointer-events: auto; z-index: 2; }

.slide .project-info :is(.h1, .project-short-desc, .tag),
.slide .cover,
.slide .meta-list li {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1), transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.slide.active :is(.project-info .h1, .cover, .project-info .project-short-desc, .meta-list li, .project-info .tag) {
  opacity: 1;
  transform: translateY(0);
}

.slide.active .project-info .h1 { transition-delay: 0.1s; }
.slide.active .cover { transition-delay: 0.2s; }
.slide.active .project-info .project-short-desc { transition-delay: 0.3s; }
.slide.active .meta-list li:nth-child(1) { transition-delay: 0.15s; }
.slide.active .meta-list li:nth-child(2) { transition-delay: 0.25s; }
.slide.active .meta-list li:nth-child(3) { transition-delay: 0.35s; }
.slide.active .meta-list li:nth-child(4) { transition-delay: 0.45s; }
.slide.active .meta-list li:nth-child(5) { transition-delay: 0.55s; }
.slide.active .meta-list li:nth-child(6) { transition-delay: 0.65s; }
.slide.active .meta-list li:nth-child(7) { transition-delay: 0.75s; }
.slide.active .meta-list li:nth-child(8) { transition-delay: 0.85s; }
.slide.active .meta-list li:nth-child(9) { transition-delay: 0.95s; }

.cover {
  order: 2;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
  flex-shrink: 0;
  margin: 0 auto;
}

.cover-img { width: 100%; height: 100%; object-fit: cover; transition: all 0.1s ease-in-out; }
.cover-img-main { position: relative; filter: grayscale(0) brightness(1) contrast(1); opacity: 1; z-index: 1; transition: all 0.1s ease-in-out; }
.cover:hover .cover-img-main { z-index: 1; filter: grayscale(100%) brightness(0) contrast(0); opacity: 0.15; }

.cover-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  visibility: hidden;
  transition: all 0.1s ease-in-out;
  z-index: 2;
}

.cover:hover .cover-overlay { opacity: 1; visibility: visible; }
.cover:hover .btn-preview { opacity: 1; visibility: visible; }

.project-info {
  order: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

[dir="ltr"] .project-info { text-align: left; }
[dir="rtl"] .project-info { text-align: right; }

.project-info :is(.h1, h1) {
  margin: 0;
  font-size: 36px;
  line-height: 1.2;
  font-weight: 750;
  color: var(--dark);
}

.project-short-desc {
  margin: 20px 0 50px;
  font-size: 18px;
  
  font-weight: 425;
  color: var(--dark);
}

.meta { order: 3; display: flex; flex-direction: column; text-align: left; }
[dir="ltr"] .meta { text-align: right; }
[dir="rtl"] .meta { text-align: left; }

.meta-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; line-height: 1.6; }
.meta-list li { display: flex; flex-direction: column; }
.meta-list li strong { font-size: 16px; font-weight: 800; color: var(--dark); }
.meta-list li span { font-size: 16px; font-weight: 400; color: var(--dark); }

.scroll-indicator {
  position: fixed;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  width: 21px;
  height: 45px;
  border: 1px solid var(--dark);
  border-radius: 25px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
  box-sizing: border-box;
  z-index: 1000;
  cursor: pointer;
}

.scroll-dot {
  width: 9px;
  height: 9px;
  background-color: var(--dark);
  border-radius: 50%;
  animation: scrollAnim 1.3s infinite ease-in-out;
}

.toggle-checkbox { display: none; }

.toggleview {
  box-sizing: border-box !important;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  inset-inline-end: 50px;
  bottom: 50px;
  padding: 0 16px;
  height: 45px;
  width: 105px;
  line-height: 1;
  background-color: var(--light);
  color: var(--dark);
  border: none;
  border-radius: 22.5px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 525;
  cursor: pointer;
  user-select: none;
  transition: all 0.1s ease;
  z-index: 900;
}

.toggleview:hover { background-color: var(--dark); color: var(--light); }
.text-active { display: none; }
.toggle-checkbox:checked + .toggleview .text-default { display: none; }
.toggle-checkbox:checked + .toggleview .text-active { display: inline; }

.icon-view { display: flex; flex-direction: column; justify-content: space-between; width: 15px; height: 6px; position: relative; }
.icon-view span { display: block; width: 100%; height: 2px; background-color: currentColor; transition: transform 0.1s ease, opacity 0.3s ease; }
.toggle-checkbox:checked + .toggleview .icon-view span:nth-child(1) { transform: translateY(2px); }
.toggle-checkbox:checked + .toggleview .icon-view span:nth-child(2) { opacity: 0; }

.typeface-list-container { margin: 200px; font-family: inherit; }

.typeface-row { 
  display: grid; 
  grid-template-columns: 1fr 2fr 1fr; 
  align-items: center; 
  height: 200px;
  padding: 10px 0; 
  border-bottom: 1px solid var(--dark); 
  transition: background-color 0.2s ease; 
}

.typeface-row:last-child { border-bottom: none; }
.typeface-title { display: flex; justify-content: flex-start; }

.typeface-center { 
  display: flex; 
  justify-content: center; 
  align-items: center; 
  text-align: center; 
  position: relative; 
  transition: all 0.1s ease-in-out; 
  height: 60px; 
  width: 100%;
  margin: 20px 0; 
}

.typeface-action { 
  display: flex; 
  align-items: center; 
  justify-content: flex-end; 
}

.typeface-summary, .typeface-date {
  margin: 0;
  color: var(--dark);
  display: block;
  opacity: 1;
  transition: opacity 0.1s ease;
}

.typeface-summary { font-size: 25px; font-weight: 425; }
.typeface-date { font-size: 20px; font-weight: 525; }

.typeface-thumb {
  
  object-fit: contain;
  position: absolute;
  opacity: .1;
  pointer-events: none;
  transition: opacity 0.3s ease;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: grayscale(100) brightness(0) contrast(0);
}

.btn-preview {
  box-sizing: border-box !important;
  font-family: inherit;
  font-size: 16px;
  font-weight: 525;
  line-height: 1;
  padding: 0 14px;
  border: none;
  border-radius: 22.5px;
  background: var(--dark);
  color: var(--light);
  cursor: pointer;
  z-index: 30;
  display: none;
  pointer-events: auto;
  align-items: center;
  justify-content: space-between;
  width: 120px;
  height: 45px;
  user-select: none;
  text-decoration: none;
}

.btn-icon { 
  width: 24px; 
  height: 24px; 
  object-fit: contain; 
  filter: invert(1);
}

.btn-preview:hover { 
  background-color: var(--accent); 
  color: var(--dark);
}

.btn-preview:hover .btn-icon { filter: invert(0); }
.no-projects { text-align: center; padding: 40px; color: var(--dark); }

.typeface-row:hover .btn-preview,
.cover:hover .btn-preview {
  display: inline-flex !important;
}

/* تغییرات تصویر و متن در هوور/تاچ */
.typeface-row:hover .typeface-date { visibility: hidden; }
.typeface-row:hover .typeface-summary { opacity: 0; }
.typeface-row:hover .typeface-thumb { 
  filter: grayscale(0) brightness(1) contrast(1); 
  opacity: 1; 
  pointer-events: auto; 
}

.typeface-center:hover .btn-preview { 
  background-color: var(--accent); 
  color: var(--dark);
}

.typeface-center:hover .btn-icon { filter: invert(0); }


  .page-logotype .typeface-row {
    height: auto !important;
    min-height: auto !important;
    padding: 40px 0 !important;
    gap: 10px !important;
    
  }

  .page-logotype .typeface-center {
    height: auto !important;
    

  }

  .page-logotype .typeface-thumb {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    width: 300px !important;
    max-width: 100% !important;
    height: auto !important;
    object-fit: contain;
    display: block;
    margin: 0 auto;
  }
@keyframes scrollAnim {
  0% { opacity: 1; transform: translateY(0); }
  99% { opacity: 0.8; transform: translateY(25px); }
  100% { opacity: 0; transform: translateY(31px); }
}

@keyframes fadeIn { to { opacity: 1; } }

@media (max-width: 1200px) {
 

  .presentation-wrapper { 
    height: 100vh; 
    height: 100dvh; 
    overflow: hidden; 
  }

  .slide {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto; 
    row-gap: 16px;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100vh;
    padding: 80px 50px;
    box-sizing: border-box;
    overflow-y: auto;
    align-content: start;
  }

  .cover { 
    grid-row: 1;
    grid-column: 1;
    width: 100%;
    height: 40vh;
    max-height: 40vh; 
    margin: 0;
    flex-shrink: 0;
    
   
  }

  .cover img { object-fit: contain; }

  .project-info { 
    grid-row: 2;
    grid-column: 1;
    z-index: 1;
    align-self: start; 
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    position: static;
    right: auto;
    margin: 0;
  }

  .project-info :is(.h1, h1) {
    font-size: 20px;
    line-height: 1.2;
    margin: 0 !important;
    max-width: 80%;
  }

  .project-short-desc {
    font-size: 12px;
    line-height: 1.5;
    margin: 0 !important;
  }

  .meta { 
    grid-row: 2;
    grid-column: 1;
    z-index: 2;
    align-self: start; 
    position: static; 
    width: 100%;
    margin: 0;
    pointer-events: none;
  }

  .meta-list { 
    display: flex; 
    flex-direction: row-reverse; 
    align-items: flex-start;
    gap: 12px; 
    margin: 0; 
    padding: 0; 
    list-style: none; 
    pointer-events: auto;
  }
.meta-list li:not(:first-child) {
  display: none;
}
  .meta-list li span {
    font-size: 14px;
    color: var(--dark);
    white-space: nowrap;
    line-height: 2;
  }

  .meta-list li strong { display: none; }

  .typeface-list-container { 
    margin: 120px 50px 200px; 
  }


  

  .typeface-row { 
    display: grid;
    grid-template-columns: 1fr auto; 
    align-items: center;
    gap: 12px; 
    height: 150px;
    padding: 30px 0; 
    border-bottom: 1px solid var(--dark);
  }

  .typeface-title {
    grid-column: 1;
    grid-row: 1;
    min-width: auto;
  }

  .typeface-action {
    grid-column: 2;
    grid-row: 1;
    min-width: auto;
    justify-content: flex-end;
  }

  .typeface-title h1 { font-size: 18px; font-weight: 750; }
  .typeface-date { font-size: 13px; }

  .typeface-center {
    grid-column: 1 / -1; 
    grid-row: 2;
    width: 100%;
    height: 30px;
    margin: 10px 0 0 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
  }

  .typeface-summary { font-size: clamp(10px, 3vw, 16px); }

  .page-typeface .typeface-thumb { max-height: 30px;
  max-width: 95%; }

  .btn-preview {
    display: none; 
    width: 85px;
    height: 30px;
    font-size: 12px;
    padding: 0 12px;
  }
.typeface-thumb { height: 45px; }
  .btn-icon { width: 12px; height: 12px; object-fit: contain; }

  .page-logotype .typeface-row {
    padding: 30px 0 !important;
  }
  .page-logotype .typeface-thumb {
    width: 250px !important;
   
  }
}

@media (max-height: 700px){
    .project-short-desc {
    font-size: clamp(12px, 1.6vh, 16px);
    margin: 0 !important;
  }
}
@media (max-width: 768px) {
 

  .slide:hover .cover-overlay { opacity: 1; visibility: visible; }
  .slide:hover .btn-preview { display: inline-flex !important; background: var(--accent); color: var(--dark); }
  .slide:hover .btn-icon { filter: brightness(0); }
  .slide:hover .cover-img-main { filter: grayscale(100) brightness(0) contrast(0); opacity: .15; z-index: 1; transition: cubic-bezier(1, 2, 0.15, 0.86) }
  .page-typeface .slide:hover .cover-img-main { filter: grayscale(0) brightness(1) contrast(1); opacity: 100; z-index: 1; }
  .typeface-row:hover .btn-preview { display: inline-flex !important; background: var(--accent); color: var(--dark); }
  .typeface-row:hover .btn-icon { filter: brightness(0); }
  .typeface-thumb { height: 30px; }

  .toggleview { 
    inset-inline-end: 25px; 
    bottom: 25px; 
    padding: 0 12px; 
    height: 30px; 
    width: 80px; 
    font-size: 12px; 
    font-weight: 525; 
  }

  .icon-view { display: flex; flex-direction: column; justify-content: space-between; width: 11px; height: 4px; position: relative; }
  .icon-view span { display: block; width: 100%; height: 1px; background-color: currentColor; transition: transform 0.1s ease, opacity 0.3s ease; }

  
  .scroll-indicator {
    bottom: 25px;
    padding-top: 0px;
    width: 14px;
    height: 30px;
  }

  .scroll-dot {
    width: 6px;
    height: 6px;
  }

  @keyframes scrollAnim {
    0% { opacity: 1; transform: translateY(18px); }
    99% { opacity: 0.8; transform: translateY(2px); }
    100% { opacity: 0; transform: translateY(0px); }
  }

  .page-logotype .typeface-row {
   
    padding: 16px 0;              
    gap: 12px;
  }



  .page-logotype .typeface-thumb {
    width: 100%;
    max-width: 150px;             
    height: auto !important;      
    position: static !important;  
    transform: none !important;   
    object-fit: contain;
    display: block;
  }
  .page-logotype .typeface-row {
    padding: 30px 0 !important;
  }
  .page-logotype .typeface-thumb {
    width: 175px !important;
  }

}

@media (max-height: 650px) and (orientation: landscape) {
  .toggleview { 
    inset-inline-end: 25px; 
    bottom: 25px; 
    padding: 0 12px; 
    height: 30px; 
    width: 80px; 
    font-size: 12px; 
    font-weight: 525; 
  }

  .icon-view { display: flex; flex-direction: column; justify-content: space-between; width: 11px; height: 4px; position: relative; }
  .icon-view span { display: block; width: 100%; height: 1px; background-color: currentColor; transition: transform 0.1s ease, opacity 0.3s ease; }
}

/* ===================================================
   (.page-font)
   =================================================== */
.page-typeface .typeface-thumb { max-height: 60px;
  max-width: 95%; opacity: 1; }

.page-typeface .typeface-row:hover .typeface-thumb {
  opacity: 0;
  filter: grayscale(0%);
}

.page-typeface .cover-img-main {
  filter: grayscale(100%) brightness(0); 
  opacity: 0.1;
}

.page-typeface .cover:hover .cover-img-main {
  filter: grayscale(0%) brightness(1); 
  opacity: 1;
}

.page-typeface .btn-preview {
  background-color: var(--light);
  color: var(--dark);
}

.page-typeface .btn-preview:hover,
.page-typeface .typeface-center:hover .btn-preview {
  background-color: var(--accent);
  color: var(--dark);
}

.page-typeface .btn-icon { filter: invert(0); }

.page-typeface .btn-preview:hover .btn-icon,
.page-typeface .typeface-center:hover .btn-icon {
  filter: invert(0); 
}
.page-typeface .typeface-thumb {  filter: grayscale(0%) }
.page-typeface .typeface-summary { opacity: 0; }
.page-typeface .typeface-row:hover   .typeface-summary { opacity: 1; }
.page-logotype .typeface-summary { opacity: 0;  position: absolute;}