/* ── PROJECT HERO ── */
.proj-hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 360px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 56px;
  align-items: center;
  gap: 60px;
}
.ph-main {
  padding-top: 120px;
  padding-bottom: 80px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--td2);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}
.breadcrumb a {
  color: var(--td2);
  text-decoration: none;
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--p);
}
.breadcrumb .sep {
  color: var(--br);
}
.breadcrumb-current {
  color: var(--t);
}

/* Project type label replacing the number */
.proj-type {
  font-family: "Bebas Neue", cursive;
  font-size: 140px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: rgba(176, 70, 229, 0.06);
  margin-bottom: -36px;
  opacity: 0;
  animation: fadeUp 0.6s 0.3s forwards;
  user-select: none;
}

.proj-title {
  font-family: "Bebas Neue", cursive;
  font-size: clamp(64px, 9vw, 120px);
  line-height: 0.9;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.6s 0.45s forwards;
}
.proj-title em {
  color: var(--p);
  font-style: normal;
}
.proj-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--td);
  max-width: 520px;
  margin-bottom: 44px;
  opacity: 0;
  animation: fadeUp 0.6s 0.6s forwards;
}
.proj-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s 0.75s forwards;
}
.ph-sidebar {
  border-left: 1px solid var(--br2);
  padding-left: 56px;
  padding-top: 120px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  animation: fadeIn 0.8s 1s forwards;
}
.meta-block {
  margin-bottom: 36px;
}
.meta-block:last-child {
  margin-bottom: 0;
}
.meta-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--p);
  margin-bottom: 8px;
}
.meta-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--t);
}
.meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.commercial-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: rgba(176, 70, 229, 0.1);
  border: 1px solid rgba(176, 70, 229, 0.25);
  color: var(--p);
  padding: 5px 14px;
  margin-bottom: 24px;
}
.commercial-badge .bdot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--p);
  animation: blink2 1.4s ease-in-out infinite;
}
@keyframes blink2 {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}
.horiz-rule {
  position: relative;
  z-index: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--br), transparent);
}
.content-wrap {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 56px 120px;
}
.content-block {
  margin-top: 80px;
}
.block-head {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--br2);
  margin-bottom: 56px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.block-h-num {
  font-family: "Bebas Neue", cursive;
  font-size: 80px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--br2);
  flex-shrink: 0;
}
.block-h-title {
  font-family: "Bebas Neue", cursive;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: 0.02em;
  line-height: 0.95;
}
.block-h-title em {
  color: var(--p);
  font-style: normal;
}
.prose {
  max-width: 720px;
}
.prose p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--td);
  margin-bottom: 24px;
}
.prose p:last-child {
  margin-bottom: 0;
}
.prose strong {
  color: var(--t);
  font-weight: 500;
}
.prose em {
  color: var(--p);
  font-style: normal;
}
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 40px;
}
.cg-item {
  background: var(--bg2);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}
.cg-item:hover {
  background: var(--bg3);
}
.cg-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--p), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.cg-item:hover::before {
  transform: scaleX(1);
}
.cg-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--p);
  margin-bottom: 14px;
}
.cg-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--t);
  margin-bottom: 12px;
}
.cg-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--td);
}
.tech-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 2px;
  margin-top: 40px;
}
.tech-item {
  background: var(--bg2);
  border: 1px solid var(--br2);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: border-color 0.3s;
}
.tech-item:hover {
  border-color: var(--br);
}
.tech-dot {
  width: 6px;
  height: 6px;
  background: var(--p);
  border-radius: 50%;
  flex-shrink: 0;
}
.tech-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--t);
}
.learn-list {
  margin-top: 40px;
}
.learn-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--br2);
  align-items: start;
}
.learn-idx {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--p);
  letter-spacing: 0.1em;
  padding-top: 2px;
}
.learn-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--td);
}
.learn-text strong {
  color: var(--t);
  font-weight: 500;
}
.proj-nav {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--br2);
}
.pn-btn {
  padding: 56px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.3s;
  border-right: 1px solid var(--br2);
  position: relative;
  overflow: hidden;
}
.pn-btn:last-child {
  border-right: none;
  text-align: right;
  align-items: flex-end;
}
.pn-btn:hover {
  background: var(--bg2);
}
.pn-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--p);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.pn-btn:last-child::after {
  transform-origin: right;
}
.pn-btn:hover::after {
  transform: scaleX(1);
}
.pn-dir {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--td2);
}
.pn-name {
  font-family: "Bebas Neue", cursive;
  font-size: 36px;
  letter-spacing: 0.04em;
  color: var(--t);
  transition: color 0.3s;
}
.pn-btn:hover .pn-name {
  color: var(--p);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 1100px) {
  .proj-hero {
    grid-template-columns: 1fr;
    padding: 0 32px;
  }
  .ph-sidebar {
    display: none;
  }
  .content-wrap {
    padding: 0 32px 80px;
  }
  .challenge-grid {
    grid-template-columns: 1fr;
  }
  .tech-wrap {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }
  .proj-nav {
    grid-template-columns: 1fr;
  }
  .pn-btn {
    padding: 32px;
    border-right: none;
    border-bottom: 1px solid var(--br2);
  }
  .pn-btn:last-child {
    text-align: left;
    align-items: flex-start;
  }
}