/* ═══════════════════════════════════════════════════
   HRMS PROJECT PAGE — Additional CSS only.
   All design tokens, nav, fonts, .pill, .fade-up,
   .btn-primary, .section-* come from style.css.
   ═══════════════════════════════════════════════════ */

/* ── READING PROGRESS BAR ── */
.read-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(to right, var(--green-accent), var(--green-bright), var(--gold));
  z-index: 200;
  transition: width 0.12s linear;
  box-shadow: 0 0 12px rgba(61,200,120,0.45);
}

/* ── SECTION RAIL (desktop) ── */
.section-rail {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.rail-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(61,200,120,0.35);
  background: transparent;
  text-decoration: none;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}

.rail-dot:hover,
.rail-dot.active {
  background: var(--green-bright);
  border-color: var(--green-bright);
  transform: scale(1.25);
}

.rail-label {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream);
  background: rgba(15,61,36,0.92);
  border: 1px solid rgba(61,200,120,0.2);
  padding: 0.28rem 0.65rem;
  border-radius: 2px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s, transform 0.22s;
}

.rail-dot:hover .rail-label,
.rail-dot:focus-visible .rail-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.rail-dot:focus-visible {
  outline: 2px solid var(--green-accent);
  outline-offset: 3px;
}

/* ── HERO DOWNLOAD STRIP ── */
.hero-dl-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: rgba(61,200,120,0.05);
  border: 1px solid rgba(61,200,120,0.2);
  border-radius: 4px;
  padding: 0.9rem 1.4rem;
  margin-bottom: 3.5rem;
}

.hero-dl-text {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-bright);
}

.hero-dl-jump {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.15);
  padding: 0.5rem 1.1rem;
  border-radius: 2px;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
}

.hero-dl-jump:hover {
  background: var(--green-accent);
  border-color: var(--green-accent);
  color: var(--white);
}

.hero-dl-jump svg { transition: transform 0.25s; }
.hero-dl-jump:hover svg { transform: translateY(3px); }

/* ── ARCHITECTURE STRIP ── */
.arch-strip {
  display: flex;
  align-items: stretch;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.6rem 0 1.2rem;
}

.arch-layer {
  flex: 1;
  min-width: 130px;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 3px;
  padding: 0.85rem 1rem;
  transition: border-color 0.25s, background 0.25s;
}

.arch-layer:hover {
  border-color: rgba(61,200,120,0.35);
  background: rgba(45,158,95,0.06);
}

.arch-step {
  font-family: 'DM Mono', monospace;
  font-size: 0.56rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-bright);
}

.arch-tech {
  font-size: 0.78rem;
  color: var(--cream-dark);
  font-weight: 500;
}

.arch-flow {
  align-self: center;
  font-family: 'DM Mono', monospace;
  color: rgba(61,200,120,0.5);
  font-size: 0.85rem;
}

/* ── 4-UP OUTCOME GRID ── */
.outcome-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ── ROLLOUT PHASE TRACK ── */
.phase-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.6rem;
}

.phase-track::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(to right, var(--green-accent), var(--gold));
  transition: width 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s;
  z-index: 2;
}

.phase-track.visible::before { width: 100%; }

.phase-node {
  background: rgba(10,46,26,0.8);
  padding: 1.5rem 1.4rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: background 0.3s;
}

.phase-node:hover { background: rgba(45,158,95,0.07); }

.phase-step {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.phase-name {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.25;
}

.phase-desc {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ═══════════════════════════════════
   RELEASE VAULT — download section
   ═══════════════════════════════════ */
.vault {
  border: 1px solid rgba(61,200,120,0.18);
  border-radius: 5px;
  overflow: hidden;
  background: rgba(15,61,36,0.35);
  backdrop-filter: blur(10px);
  margin-top: 0.8rem;
}

.vault-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.4rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(10,46,26,0.7);
}

.vault-head-left {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.vault-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-bright);
}

.vault-head-right {
  display: inline-flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.vault-meta {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.vault-meta em {
  font-style: normal;
  color: var(--gold);
}

.vault-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
}

/* ── DOWNLOAD CARD ── */
.dl-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  text-align: left;
  background: rgba(10,46,26,0.85);
  border: none;
  padding: 1.8rem 1.7rem 1.5rem;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  overflow: hidden;
  transition: background 0.3s;
}

.dl-card:hover,
.dl-card:focus-visible { background: rgba(45,158,95,0.08); }

.dl-card:focus-visible {
  outline: 2px solid var(--green-accent);
  outline-offset: -2px;
}

/* hover sweep */
.dl-card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(61,200,120,0.12) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.dl-card:hover .dl-card-glow { opacity: 1; }

.dl-icon {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(61,200,120,0.25);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-bright);
  margin-bottom: 0.4rem;
  transition: transform 0.3s, border-color 0.3s;
}

.dl-card:hover .dl-icon {
  transform: translateY(-3px);
  border-color: rgba(61,200,120,0.5);
}

.dl-card-platform {
  font-family: 'Playfair Display', serif;
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.25;
}

.dl-card-file {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  word-break: break-all;
}

.dl-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: auto;
  padding-top: 1rem;
}

.dl-card-size {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.dl-card-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-bright);
  transition: gap 0.25s;
}

.dl-card:hover .dl-card-action { gap: 0.7rem; }

.dl-optional-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(200,168,75,0.3);
  background: rgba(200,168,75,0.06);
  padding: 0.22rem 0.55rem;
  border-radius: 2px;
}

.vault-foot {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.4rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(10,46,26,0.7);
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  line-height: 1.6;
}

.vault-foot svg {
  color: var(--gold);
  flex-shrink: 0;
}

/* ═══════════════════════════════════
   DOWNLOAD MODAL
   ═══════════════════════════════════ */
.dl-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(4, 20, 11, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s ease;
}

.dl-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.dl-modal {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: linear-gradient(160deg, rgba(15,61,36,0.97), rgba(10,46,26,0.97));
  border: 1px solid rgba(61,200,120,0.25);
  border-radius: 6px;
  padding: 2.2rem 2.2rem 2rem;
  box-shadow: 0 24px 80px rgba(0,0,0,0.55), 0 0 0 1px rgba(61,200,120,0.06);
  transform: translateY(26px) scale(0.95);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.22, 1.2, 0.36, 1), opacity 0.3s ease;
}

.dl-overlay.open .dl-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* faint scan line accent across modal top */
.dl-modal::before {
  content: '';
  position: absolute;
  top: 0; left: 10%;
  width: 80%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--green-bright), transparent);
  opacity: 0.55;
}

.dl-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}

.dl-modal-close:hover {
  color: var(--cream);
  border-color: rgba(61,200,120,0.4);
  transform: rotate(90deg);
}

.dl-modal-close:focus-visible {
  outline: 2px solid var(--green-accent);
  outline-offset: 2px;
}

.dl-modal-head {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.6rem;
}

.dl-modal-icon {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(61,200,120,0.3);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-bright);
  flex-shrink: 0;
  background: rgba(61,200,120,0.05);
}

.dl-modal-id {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.dl-modal-platform {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.dl-modal-file {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.3;
  word-break: break-all;
}

/* ── STAGGERED DETAIL ROWS ── */
.dl-modal-rows {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.6rem;
}

.dl-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  opacity: 0;
  transform: translateY(8px);
}

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

.dl-overlay.open .dl-row {
  animation: dlRowIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(0.18s + var(--row-i) * 0.07s);
}

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

.dl-row-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.dl-row-value {
  font-size: 0.82rem;
  color: var(--cream-dark);
  text-align: right;
}

/* ── VERIFY / PROGRESS ── */
.dl-verify {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.6rem;
}

.dl-verify-track {
  height: 3px;
  background: rgba(255,255,255,0.07);
  border-radius: 2px;
  overflow: hidden;
}

.dl-verify-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  background: linear-gradient(to right, var(--green-accent), var(--green-bright));
  transition: width 0.2s linear;
}

.dl-verify-fill.done {
  background: linear-gradient(to right, var(--green-bright), var(--gold));
  box-shadow: 0 0 10px rgba(61,200,120,0.5);
}

.dl-verify-text {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}

.dl-verify-text.active { color: var(--green-bright); }

/* ── MODAL ACTIONS ── */
.dl-modal-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.dl-start { gap: 0.55rem; }

.dl-start:disabled {
  opacity: 0.55;
  cursor: progress;
  transform: none;
}

.dl-start:focus-visible {
  outline: 2px solid var(--green-accent);
  outline-offset: 3px;
}

.dl-cancel {
  background: none;
  border: none;
  font-family: 'DM Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem 0;
  transition: color 0.25s;
}

.dl-cancel:hover { color: var(--cream); }

.dl-cancel:focus-visible {
  outline: 2px solid var(--green-accent);
  outline-offset: 3px;
}

/* ── TOAST ── */
.dl-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  z-index: 310;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(15,61,36,0.96);
  border: 1px solid rgba(61,200,120,0.35);
  border-radius: 3px;
  padding: 0.75rem 1.3rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-bright);
  box-shadow: 0 10px 36px rgba(0,0,0,0.4);
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.22, 1.2, 0.36, 1), opacity 0.3s;
}

.dl-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ── BODY SCROLL LOCK ── */
body.modal-open { overflow: hidden; }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .section-rail { display: none; }
}

@media (max-width: 900px) {
  .vault-grid { grid-template-columns: 1fr; }
  .outcome-grid-4 { grid-template-columns: 1fr 1fr; }
  .phase-track { grid-template-columns: 1fr 1fr; }
  .arch-flow { display: none; }
  .arch-layer { min-width: calc(50% - 0.4rem); flex: none; }
  .arch-strip { gap: 0.6rem; }
  .dl-modal { padding: 1.8rem 1.5rem 1.6rem; }
  .hero-dl-strip { padding: 0.9rem 1.1rem; }
}

@media (max-width: 560px) {
  .phase-track { grid-template-columns: 1fr; }
  .arch-layer { min-width: 100%; }
  .vault-head-right { gap: 0.8rem; }
  .dl-row { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .dl-row-value { text-align: left; }
  .dl-modal-actions { flex-direction: column; align-items: stretch; }
  .dl-start { justify-content: center; }
  .dl-cancel { text-align: center; }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .read-progress,
  .dl-overlay,
  .dl-modal,
  .dl-row,
  .dl-toast,
  .phase-track::before,
  .dl-verify-fill { transition: none !important; animation: none !important; }

  .dl-overlay.open .dl-row { opacity: 1; transform: none; }
  .phase-track.visible::before { width: 100%; }
}