/* ══════════════════════════════════════════
   Features page — dedicated styles
   ══════════════════════════════════════════ */

/* ── Hero ── */
.feat-hero {
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 4rem;
  text-align: center;
}

.feat-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease-out 0.1s both;
}

.feat-hero-sub {
  color: var(--text-dim);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  font-weight: 300;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
  animation: fadeUp 0.8s ease-out 0.25s both;
}

/* ══════════════════════════════════════════
   DREAM SECTION — the showpiece
   ══════════════════════════════════════════ */
.dream-section {
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 5rem;
}

/* Starfield background */
.dream-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.dream-stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(216,192,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 65%, rgba(216,192,255,0.35) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 55% 15%, rgba(216,192,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(142,223,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 35%, rgba(216,192,255,0.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 20% 85%, rgba(169,142,216,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 45%, rgba(216,192,255,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 60%, rgba(255,184,218,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 92%, rgba(216,192,255,0.4) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 5% 50%, rgba(142,223,255,0.35) 0%, transparent 100%);
  animation: starTwinkle 6s ease-in-out infinite alternate;
}

@keyframes starTwinkle {
  0% { opacity: 0.4; }
  50% { opacity: 0.7; }
  100% { opacity: 0.5; }
}

.dream-aurora {
  position: absolute;
  top: 0;
  left: -20%;
  right: -20%;
  height: 100%;
  background:
    radial-gradient(ellipse 40% 35% at 30% 20%, rgba(140,80,200,0.1) 0%, transparent 100%),
    radial-gradient(ellipse 50% 40% at 70% 60%, rgba(80,50,180,0.08) 0%, transparent 100%),
    radial-gradient(ellipse 35% 30% at 50% 80%, rgba(142,223,255,0.05) 0%, transparent 100%);
  animation: auroraDrift 12s ease-in-out infinite alternate;
}

@keyframes auroraDrift {
  0% { transform: translateX(0) scale(1); }
  100% { transform: translateX(40px) scale(1.05); }
}

/* Dream timeline */
.dream-timeline {
  position: relative;
  max-width: 700px;
  margin: 3.5rem auto 0;
}

.dream-phase {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 0;
  position: relative;
}

.dream-phase-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 20px;
}

.dream-phase-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--brand-dim);
  position: relative;
  z-index: 2;
  transition: all 0.6s ease;
  flex-shrink: 0;
}

.dream-phase.visible .dream-phase-dot {
  border-color: var(--brand);
  box-shadow: 0 0 12px rgba(216,192,255,0.4);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 8px rgba(216,192,255,0.3); }
  50% { box-shadow: 0 0 20px rgba(216,192,255,0.6); }
}

.dream-phase-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(180deg, var(--brand-dim) 0%, var(--border) 100%);
  opacity: 0.4;
  min-height: 40px;
}

.dream-phase-content {
  padding-bottom: 3rem;
  flex: 1;
}

.dream-phase:last-child .dream-phase-content {
  padding-bottom: 0;
}

.dream-phase-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.4rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.5s ease 0.2s;
}

.dream-phase.visible .dream-phase-label {
  opacity: 1;
  transform: translateX(0);
}

[data-phase="survey"] .dream-phase-label { color: var(--cyan); }
[data-phase="deep-dive"] .dream-phase-label { color: var(--brand); }
[data-phase="synthesis"] .dream-phase-label { color: var(--green); }

.dream-phase-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s ease 0.3s;
}

.dream-phase.visible .dream-phase-content h3 {
  opacity: 1;
  transform: translateY(0);
}

.dream-phase-content p {
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.7;
  max-width: 540px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s ease 0.4s;
}

.dream-phase.visible .dream-phase-content p {
  opacity: 1;
  transform: translateY(0);
}

/* ── Phase visuals ── */
.dream-phase-visual {
  margin-top: 1.2rem;
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.6s ease 0.5s;
}

.dream-phase.visible .dream-phase-visual {
  opacity: 1;
  transform: translateY(0);
}

/* Survey: scanning lines */
.dream-scan-lines {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 1rem 1.2rem;
  background: rgba(10,8,16,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.dream-scan-lines span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(142,223,255,0.1));
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
}

.dream-phase.visible .dream-scan-lines span {
  animation: scanReveal 0.4s ease-out forwards;
}

.dream-scan-lines span:nth-child(1) { width: 85%; animation-delay: 0.6s; }
.dream-scan-lines span:nth-child(2) { width: 60%; animation-delay: 0.72s; }
.dream-scan-lines span:nth-child(3) { width: 92%; animation-delay: 0.84s; }
.dream-scan-lines span:nth-child(4) { width: 45%; animation-delay: 0.96s; }
.dream-scan-lines span:nth-child(5) { width: 78%; animation-delay: 1.08s; }
.dream-scan-lines span:nth-child(6) { width: 55%; animation-delay: 1.2s; }
.dream-scan-lines span:nth-child(7) { width: 88%; animation-delay: 1.32s; }
.dream-scan-lines span:nth-child(8) { width: 70%; animation-delay: 1.44s; }

@keyframes scanReveal {
  0% { opacity: 0; transform: scaleX(0); }
  100% { opacity: 0.7; transform: scaleX(1); }
}

/* Deep dive: flowing threads */
.dream-threads {
  padding: 0.5rem 0;
}

.dream-threads svg {
  width: 100%;
  max-width: 400px;
  height: auto;
}

.dream-thread-path {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
}

.dream-phase.visible .dream-thread-path {
  animation: threadDraw 2.5s ease-out forwards;
}

.dream-phase.visible .dream-thread-path:nth-child(2) { animation-delay: 0.4s; }
.dream-phase.visible .dream-thread-path:nth-child(3) { animation-delay: 0.8s; }

@keyframes threadDraw {
  to { stroke-dashoffset: 0; }
}

/* Synthesis: journal lines writing */
.dream-journal {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 1.2rem 1.4rem;
  background: rgba(10,8,16,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.dream-journal-line {
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green), rgba(169,240,203,0.1));
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
}

.dream-phase.visible .dream-journal-line {
  animation: journalWrite 0.6s ease-out forwards;
}

.dream-journal-line:nth-child(1) { animation-delay: 0.6s; }
.dream-journal-line:nth-child(2) { animation-delay: 0.85s; }
.dream-journal-line:nth-child(3) { animation-delay: 1.1s; }
.dream-journal-line:nth-child(4) { animation-delay: 1.35s; }
.dream-journal-line:nth-child(5) { animation-delay: 1.6s; }
.dream-journal-line:nth-child(6) { animation-delay: 1.85s; }

@keyframes journalWrite {
  0% { opacity: 0; transform: scaleX(0); }
  100% { opacity: 0.6; transform: scaleX(1); }
}

/* Dream output grid */
.dream-output {
  max-width: 700px;
  margin: 3.5rem auto 0;
}

.dream-output-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 1rem;
}

.dream-output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.dream-output-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  background: rgba(22,18,34,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 300;
  transition: border-color var(--transition);
  min-width: 0;
}

.dream-output-item:hover {
  border-color: var(--brand-dim);
}

.dream-output-icon {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--brand);
  background: var(--brand-glow);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 100%;
}

/* ══════════════════════════════════════════
   FEATURE SECTIONS — split layout
   ══════════════════════════════════════════ */
.feat-section {
  padding: 6rem 1.5rem;
}

.feat-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-width: 0;
}

.feat-split--reverse {
  direction: rtl;
}

.feat-split--reverse > * {
  direction: ltr;
}

.feat-details {
  list-style: none;
  margin-top: 1.5rem;
}

.feat-details li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 300;
  line-height: 1.6;
}

.feat-details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand-dim);
}

.feat-details li strong {
  color: var(--text);
  font-weight: 500;
}

/* ── Knowledge graph visualization ── */
.graph-viz {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  background: rgba(10,8,16,0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.graph-edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.graph-edge {
  stroke-width: 1;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.visible .graph-edge {
  animation: edgeFade 0.5s ease forwards;
}

.graph-edge--structural { stroke: rgba(216,192,255,0.25); }
.graph-edge--call { stroke: rgba(142,223,255,0.25); stroke-dasharray: 4 3; }
.graph-edge--import { stroke: rgba(169,240,203,0.25); }
.graph-edge--semantic { stroke: rgba(255,184,218,0.2); stroke-dasharray: 2 4; }

.graph-edge:nth-child(1) { animation-delay: 0.8s; }
.graph-edge:nth-child(2) { animation-delay: 1.0s; }
.graph-edge:nth-child(3) { animation-delay: 1.2s; }
.graph-edge:nth-child(4) { animation-delay: 1.4s; }
.graph-edge:nth-child(5) { animation-delay: 1.6s; }

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

.graph-node {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%) scale(0.8);
  opacity: 0;
  transition: all 0.5s ease;
  z-index: 2;
}

.fade-in.visible .graph-node {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.fade-in.visible .graph-node:nth-child(1) { transition-delay: 0.2s; }
.fade-in.visible .graph-node:nth-child(2) { transition-delay: 0.35s; }
.fade-in.visible .graph-node:nth-child(3) { transition-delay: 0.5s; }
.fade-in.visible .graph-node:nth-child(4) { transition-delay: 0.65s; }
.fade-in.visible .graph-node:nth-child(5) { transition-delay: 0.8s; }
.fade-in.visible .graph-node:nth-child(6) { transition-delay: 0.95s; }

.graph-node span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  white-space: nowrap;
  border: 1px solid;
  max-width: min(100%, 180px);
  overflow: hidden;
  text-overflow: ellipsis;
}

.graph-node--file span {
  color: var(--cyan);
  background: rgba(142,223,255,0.08);
  border-color: rgba(142,223,255,0.2);
}

.graph-node--symbol span {
  color: var(--brand-light);
  background: rgba(216,192,255,0.08);
  border-color: rgba(216,192,255,0.2);
}

.graph-node--concept span {
  color: var(--rose);
  background: rgba(255,184,218,0.08);
  border-color: rgba(255,184,218,0.2);
}

.graph-node::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 10px;
  background: radial-gradient(circle, currentColor 0%, transparent 70%);
  opacity: 0.08;
  z-index: -1;
}

/* ── Witness visualization ── */
.witness-viz {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.witness-card {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.5s ease;
}

.fade-in.visible .witness-card {
  opacity: 1;
  transform: translateX(0);
}

.fade-in.visible .witness-card:nth-child(1) { transition-delay: 0.3s; }
.fade-in.visible .witness-card:nth-child(2) { transition-delay: 0.5s; }
.fade-in.visible .witness-card:nth-child(3) { transition-delay: 0.7s; }

.witness-card--fail {
  background: rgba(255,100,100,0.04);
  border-color: rgba(255,100,100,0.2);
  color: var(--text-dim);
}

.witness-card--pass {
  background: rgba(169,240,203,0.04);
  border-color: rgba(169,240,203,0.2);
  color: var(--text-dim);
}

.witness-badge {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  flex-shrink: 0;
}

.witness-card--fail .witness-badge {
  color: #ff8a8a;
  background: rgba(255,100,100,0.12);
}

.witness-card--pass .witness-badge {
  color: var(--green);
  background: rgba(169,240,203,0.12);
}

.witness-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
}

.witness-arrow svg { width: 20px; height: 10px; }

.witness-expected {
  color: var(--brand-light);
}

/* ── Pipeline visualization ── */
.pipeline-viz {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.pipeline-step {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(22,18,34,0.4);
  font-size: 0.82rem;
  color: var(--text-dim);
  width: 100%;
  max-width: 280px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease;
}

.fade-in.visible .pipeline-step {
  opacity: 1;
  transform: translateY(0);
}

.fade-in.visible .pipeline-step:nth-child(1) { transition-delay: 0.2s; }
.fade-in.visible .pipeline-step:nth-child(3) { transition-delay: 0.4s; }
.fade-in.visible .pipeline-step:nth-child(5) { transition-delay: 0.6s; }
.fade-in.visible .pipeline-step:nth-child(7) { transition-delay: 0.8s; }
.fade-in.visible .pipeline-step:nth-child(9) { transition-delay: 1.0s; }

.pipeline-step--active {
  border-color: var(--brand-dim);
  background: rgba(216,192,255,0.06);
}

.pipeline-step--done {
  border-color: rgba(169,240,203,0.3);
  background: rgba(169,240,203,0.04);
}

.pipeline-step--done .pipeline-icon { color: var(--green); }

.pipeline-icon {
  width: 20px;
  height: 20px;
  color: var(--brand-dim);
  flex-shrink: 0;
}

.pipeline-icon svg { width: 100%; height: 100%; }

.pipeline-connector {
  width: 2px;
  height: 16px;
  background: var(--border);
  margin-left: 1.6rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fade-in.visible .pipeline-connector { opacity: 0.5; }

/* ── Safety visualization ── */
.safety-viz {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.safety-tier {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.5s ease;
  min-width: 0;
}

.fade-in.visible .safety-tier {
  opacity: 1;
  transform: translateX(0);
}

.fade-in.visible .safety-tier:nth-child(1) { transition-delay: 0.2s; }
.fade-in.visible .safety-tier:nth-child(2) { transition-delay: 0.4s; }
.fade-in.visible .safety-tier:nth-child(3) { transition-delay: 0.6s; }
.fade-in.visible .safety-tier:nth-child(4) { transition-delay: 0.8s; }

.safety-tier--readonly {
  border-color: rgba(169,240,203,0.25);
  background: rgba(169,240,203,0.03);
}

.safety-tier--mutating {
  border-color: rgba(255,208,128,0.25);
  background: rgba(255,208,128,0.03);
}

.safety-tier--privileged {
  border-color: rgba(255,184,218,0.25);
  background: rgba(255,184,218,0.03);
}

.safety-tier--blocked {
  border-color: rgba(255,100,100,0.25);
  background: rgba(255,100,100,0.03);
}

.safety-tier-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  flex-shrink: 0;
  width: 54px;
  text-align: center;
}

.safety-tier--readonly .safety-tier-badge { color: var(--green); background: rgba(169,240,203,0.1); }
.safety-tier--mutating .safety-tier-badge { color: var(--yellow); background: rgba(255,208,128,0.1); }
.safety-tier--privileged .safety-tier-badge { color: var(--rose); background: rgba(255,184,218,0.1); }
.safety-tier--blocked .safety-tier-badge { color: #ff8a8a; background: rgba(255,100,100,0.1); }

.safety-tier-label {
  font-weight: 600;
  font-size: 0.88rem;
  min-width: 80px;
}

.safety-tier--readonly .safety-tier-label { color: var(--green); }
.safety-tier--mutating .safety-tier-label { color: var(--yellow); }
.safety-tier--privileged .safety-tier-label { color: var(--rose); }
.safety-tier--blocked .safety-tier-label { color: #ff8a8a; }

.safety-tier-cmds {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  min-width: 0;
}

/* ══════════════════════════════════════════
   FEATURE GRID — compact cards
   ══════════════════════════════════════════ */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin-top: 2.5rem;
}

.feat-grid-card {
  padding: 2rem;
  background: rgba(22,18,34,0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.feat-grid-card:hover {
  border-color: var(--brand-dim);
  background: rgba(28,23,48,0.6);
  transform: translateY(-2px);
}

.feat-grid-icon {
  width: 36px;
  height: 36px;
  color: var(--brand);
  margin-bottom: 1rem;
}

.feat-grid-icon svg { width: 100%; height: 100%; }

.feat-grid-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
}

.feat-grid-card p {
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.65;
}

/* ── CTA ── */
.feat-cta {
  padding: 5rem 1.5rem 6rem;
  position: relative;
  z-index: 1;
}

.feat-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  letter-spacing: -0.01em;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .feat-split,
  .feat-split--reverse {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    direction: ltr;
  }

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

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

@media (max-width: 480px) {
  .witness-card {
    font-size: 0.65rem;
    padding: 0.7rem;
  }

  .safety-tier {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .safety-tier-label {
    min-width: 0;
  }

  .safety-tier-cmds,
  .graph-node span,
  .dream-output-icon {
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
}

@media (max-width: 768px) {
  .dream-output-icon,
  .graph-node span {
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
}