/* armi.css — A.RM.I Project Page Styles */

/* ===== Hero Section ===== */
.project-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--space-24) var(--space-6);
}

.project-hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(0, 229, 160, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  z-index: 0;
}

.project-hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.project-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-accent);
  background: var(--bg-glass);
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
  animation: fadeUp 0.6s ease both;
}

.project-hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  animation: fadeUp 0.6s ease 0.1s both;
}

.project-hero__title span {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.project-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: var(--leading-relaxed);
  animation: fadeUp 0.6s ease 0.2s both;
}

.project-hero__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  animation: fadeUp 0.6s ease 0.3s both;
}

.project-hero__tag {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  background: var(--bg-glass);
  transition: all var(--transition-base);
}

.project-hero__tag:hover {
  border-color: var(--accent-primary);
  color: var(--text-accent);
}

/* ===== Section Layout ===== */
.project-section {
  padding: var(--space-20) var(--space-6);
}

.project-section--alt {
  background: var(--bg-surface);
}

.project-section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.project-section__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.project-section__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
}

.project-section__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 600px;
  margin: var(--space-3) auto 0;
  line-height: var(--leading-relaxed);
}

/* ===== Overview Cards (Bento Grid) ===== */
.project-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  max-width: var(--container-max);
  margin: 0 auto;
}

.project-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  transform: translateY(-2px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
  display: block;
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.project-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===== Spec Table ===== */
.project-specs {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.project-spec-group {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.project-spec-group__header {
  padding: var(--space-4) var(--space-6);
  background: rgba(0, 229, 160, 0.05);
  border-bottom: 1px solid var(--border-subtle);
  font-weight: var(--weight-semibold);
  color: var(--text-accent);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
}

.project-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.project-spec-row:last-child {
  border-bottom: none;
}

.project-spec-row:hover {
  background: var(--bg-surface-hover);
}

.project-spec-row__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.project-spec-row__value {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: var(--weight-medium);
  font-family: var(--font-mono);
}

/* ===== Architecture Diagrams & Hardware Gallery ===== */
.project-diagrams {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.project-diagram {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-diagram:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.project-diagram__img {
  width: 100%;
  height: auto;
  max-height: 500px;
  aspect-ratio: auto;
  object-fit: contain;
  background: transparent;
  padding: 0;
  transition: transform var(--transition-base);
  display: block;
}

.project-diagram:hover .project-diagram__img {
  transform: scale(1.02);
}

/* Flowchart / diagram images need white-ish background */
.project-diagram__img[alt*="Flowchart"],
.project-diagram__img[alt*="Sequence"],
.project-diagram__img[alt*="Standby Power"],
.project-diagram__img[alt*="Active Power"],
.project-diagram__img[alt*="Architecture"] {
  background: #f5f5f5;
  padding: var(--space-6);
  max-height: none;
}

.project-diagram__caption {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

.project-diagram__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.project-diagram__desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* ===== Timeline ===== */
.project-timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: var(--space-10);
}

.project-timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), transparent);
}

.project-timeline__item {
  position: relative;
  padding-bottom: var(--space-10);
}

.project-timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-10) + 5px);
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.project-timeline__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-accent);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-timeline__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.project-timeline__body {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.project-timeline__body ul {
  margin-top: var(--space-2);
  padding-left: var(--space-4);
}

.project-timeline__body li {
  margin-bottom: var(--space-1);
}

/* ===== Power Stats ===== */
.project-stats {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  text-align: center;
}

.project-stat {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-4);
}

.project-stat__value {
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.project-stat__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.project-stat__sub {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  margin-top: var(--space-1);
}

/* ===== Achievements ===== */
.project-achievements {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.project-achievement {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.project-achievement:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.project-achievement__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.project-achievement__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.project-achievement__desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* ===== CTA Section ===== */
.project-cta {
  text-align: center;
  padding: var(--space-16) var(--space-6);
}

.project-cta__links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.project-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: all var(--transition-base);
}

.project-cta__btn--primary {
  background: var(--accent-primary);
  color: #0a0a0f;
}

.project-cta__btn--primary:hover {
  box-shadow: 0 0 24px var(--accent-glow-strong);
  transform: translateY(-2px);
}

.project-cta__btn--secondary {
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  background: var(--bg-glass);
}

.project-cta__btn--secondary:hover {
  border-color: var(--accent-primary);
  color: var(--text-accent);
}

/* ===== 3D PCB Showcase (inherited from home.css) ===== */
.project-pcb-section {
  position: relative;
  width: 100%;
  min-height: 500px;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #050510 50%, var(--bg-primary) 100%);
  overflow: hidden;
}

/* ===== Team ===== */
.project-team {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4);
}

.project-member {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.project-member:hover {
  border-color: var(--border-accent);
}

.project-member__role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-accent);
  margin-bottom: var(--space-2);
}

.project-member__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.project-member__github {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.project-member__github:hover {
  color: var(--text-accent);
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .project-diagrams {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .project-hero {
    min-height: 50vh;
    padding: var(--space-16) var(--space-4);
  }

  .project-section {
    padding: var(--space-12) var(--space-4);
  }

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

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

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

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


/* ── PCB 3D Showcase ── */
.pcb-showcase {
  position: relative;
  overflow: hidden;
  padding: 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #080810 50%, var(--bg-primary) 100%);
  margin: var(--space-12) 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

body.light-mode .pcb-showcase {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #1a1a2e 50%, var(--bg-primary) 100%);
}

body.light-mode .pcb-showcase__overlay {
  background: linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, transparent 100%);
}

body.light-mode .pcb-showcase__title,
body.light-mode .pcb-showcase__desc {
  color: #f0f0f5;
}

.pcb-showcase__3d-wrap {
  width: 100%;
  height: 55vh;
  min-height: 380px;
  max-height: 600px;
  position: relative;
  cursor: grab;
}

.pcb-showcase__3d-wrap:active {
  cursor: grabbing;
}

.pcb-showcase__3d-wrap canvas {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.pcb-showcase__loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent-primary);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pcb-showcase__loading::before {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-accent);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: pcb-spin 0.8s linear infinite;
}

@keyframes pcb-spin {
  to {
    transform: rotate(360deg);
  }
}

.pcb-showcase__fallback {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-8);
}

.pcb-showcase__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-8) var(--space-6) var(--space-6);
  background: linear-gradient(to top, rgba(8, 8, 16, 0.95) 0%, transparent 100%);
  pointer-events: none;
  z-index: 5;
  display: flex;
  justify-content: center;
}

.pcb-showcase__info {
  text-align: center;
  max-width: 600px;
}

.pcb-showcase__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-extrabold);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.pcb-showcase__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.pcb-showcase__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

.pcb-showcase__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: pcb-glow-pulse 4s ease-in-out infinite alternate;
}

@keyframes pcb-glow-pulse {
  0% {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.3);
  }
}

/* 좌측 상단 — 우측 상단은 GitHub 배지, 하단 중앙은 제목/설명/태그가 차지합니다.
   (기존 우측 하단 위치는 창 폭 ~769~1100px에서 태그 배지와 겹쳤습니다) */
.pcb-showcase__hint {
  position: absolute;
  top: var(--space-6);
  left: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: rgba(10, 10, 15, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  z-index: 10;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
  transform: translateY(10px);
  pointer-events: none;
}

.pcb-showcase__hint .key {
  color: var(--accent-primary);
  font-weight: var(--weight-semibold);
}

.pcb-showcase__hint .sep {
  margin: 0 var(--space-2);
  opacity: 0.3;
}

.pcb-showcase__link {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 10;
  text-decoration: none;
  pointer-events: auto;
}

.pcb-showcase__link .gallery-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(10, 10, 15, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent-primary);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
}

.pcb-showcase__link .gallery-badge:hover {
  background: rgba(0, 229, 160, 0.1);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* 터치 기기 힌트 배치 — 화면 너비가 아니라 pcb3d.js의 기능 감지가 붙이는
   .pcb-showcase__hint--touch 클래스로 제어합니다(태블릿 등 넓은 터치 화면 포함).
   우측 상단 GitHub 배지와 나란히 두면 겹치므로 배지 아래로 한 줄 내립니다. */
.pcb-showcase__hint--touch {
  top: 72px;
  left: var(--space-4);
  right: auto;
  max-width: calc(100% - var(--space-8));
  font-size: 10px;
  line-height: 1.6;
  white-space: normal;
  border-radius: var(--radius-lg);
}

@media(max-width:768px) {
  .pcb-showcase__3d-wrap {
    height: 45vh;
    min-height: 300px;
  }

  .pcb-showcase__title {
    font-size: var(--text-xl);
  }
}