/* ============================================
   Features Page Styles
   ============================================ */

/* ---------- Features Hero ---------- */
.features-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-3xl);
  background: linear-gradient(160deg, #f8fdf9 0%, #f0fdf4 25%, #ecfdf5 50%, #f0f9ff 75%, #fefce8 100%);
  overflow: hidden;
}

.features-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.features-hero-bg .hero-orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(34, 197, 94, 0.12);
  top: -15%;
  left: 15%;
  animation: float 8s ease-in-out infinite;
}

.features-hero-bg .hero-orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(59, 130, 246, 0.08);
  bottom: -10%;
  right: 10%;
  animation: float 10s ease-in-out infinite reverse;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Feature Section Rows ---------- */
.feature-section {
  overflow: hidden;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-info .text-overline {
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.feature-info .text-h2 {
  margin-bottom: var(--space-md);
}

.feature-info .text-body-lg {
  margin-bottom: var(--space-2xl);
}

/* Feature Details List */
.feature-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.feature-detail-item {
  display: flex;
  gap: var(--space-md);
}

.feature-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--neutral-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  border: 1px solid var(--neutral-100);
}

.feature-detail-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--neutral-800);
  margin-bottom: 2px;
}

.feature-detail-item p {
  font-size: 0.85rem;
  color: var(--neutral-500);
  line-height: 1.5;
}

/* ---------- Feature Mockups ---------- */
.feature-mockup {
  background: white;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--neutral-50);
  border-bottom: 1px solid var(--neutral-100);
}

.mockup-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--neutral-700);
}

.mockup-body {
  padding: var(--space-lg);
}

/* Task List Mockup */
.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
  transition: background var(--transition-fast);
}

.task-item:hover {
  background: var(--neutral-50);
}

.task-item.completed {
  opacity: 0.65;
}

.task-item.active {
  background: rgba(249, 115, 22, 0.04);
  border: 1px solid rgba(249, 115, 22, 0.12);
}

.task-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-500);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.task-check.pending {
  background: var(--accent-500);
  animation: pulse-dot 2s ease-in-out infinite;
}

.task-check.pending-light {
  background: transparent;
  border: 2px solid var(--neutral-300);
  color: var(--neutral-400);
  font-size: 0.9rem;
}

.task-info {
  flex: 1;
  min-width: 0;
}

.task-name {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--neutral-800);
}

.task-time {
  display: block;
  font-size: 0.75rem;
  color: var(--neutral-500);
}

.task-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.task-badge.done {
  background: rgba(34, 197, 94, 0.1);
  color: var(--primary-600);
}

.task-badge.pending {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-600);
}

.task-badge.scheduled {
  background: var(--neutral-100);
  color: var(--neutral-500);
}

/* ---------- ML Models Grid ---------- */
.ml-models-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.ml-model-card {
  padding: var(--space-lg);
  background: var(--surface-primary);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.ml-model-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.ml-model-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

.ml-model-card h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--neutral-800);
  margin-bottom: 4px;
}

.ml-model-card p {
  font-size: 0.8rem;
  color: var(--neutral-500);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

/* ML Mockup */
.ml-mockup .mockup-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ml-insight-card {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
}

.ml-insight-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
}

.ml-accuracy {
  font-size: 0.72rem;
  color: var(--primary-400);
  font-weight: 500;
}

.ml-chart-area {
  margin-bottom: var(--space-md);
}

.ml-chart-svg {
  width: 100%;
  height: 60px;
}

.ml-prediction-row {
  display: flex;
  justify-content: space-between;
}

.ml-pred-item {
  text-align: center;
}

.ml-pred-label {
  display: block;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 2px;
}

.ml-pred-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.ml-alert-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
}

.ml-alert-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.ml-alert-icon.good {
  background: rgba(34, 197, 94, 0.12);
}

.ml-alert-icon.sell {
  background: rgba(236, 72, 153, 0.12);
}

.ml-alert-item strong {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2px;
}

.ml-alert-item p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.4;
}

/* ---------- Offline Phone Demo ---------- */
.offline-demo {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 280px;
  background: var(--neutral-900);
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow-2xl), 0 0 60px rgba(0, 0, 0, 0.15);
  position: relative;
}

.phone-notch {
  width: 120px;
  height: 24px;
  background: var(--neutral-900);
  border-radius: 0 0 16px 16px;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.phone-screen {
  background: white;
  border-radius: 26px;
  overflow: hidden;
  min-height: 460px;
}

.phone-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--neutral-700);
}

.phone-status-icons {
  display: flex;
  align-items: center;
  gap: 6px;
}

.offline-indicator {
  font-size: 0.65rem;
  color: var(--accent-500);
  font-weight: 700;
}

.phone-app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 20px 16px;
  border-bottom: 1px solid var(--neutral-100);
}

.phone-content {
  padding: 16px 20px;
}

.phone-task {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--neutral-700);
  background: var(--neutral-50);
  border: 1px solid var(--neutral-100);
}

.phone-task.completed-task {
  opacity: 0.5;
}

.phone-task.active-task {
  background: rgba(249, 115, 22, 0.05);
  border-color: rgba(249, 115, 22, 0.15);
  color: var(--neutral-800);
}

.phone-task-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.phone-task .phone-task-check {
  background: var(--primary-500);
  color: white;
}

.phone-task-check.active {
  background: var(--accent-500);
  color: white;
}

.phone-sync-badge {
  margin-top: 16px;
  padding: 10px 14px;
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  color: var(--info);
  font-weight: 500;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ---------- Evidence Mockup ---------- */
.evidence-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.evidence-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--neutral-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
}

.evidence-thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--neutral-200), var(--neutral-100));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.evidence-info {
  flex: 1;
  min-width: 0;
}

.evidence-task {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--neutral-800);
}

.evidence-time {
  display: block;
  font-size: 0.72rem;
  color: var(--neutral-500);
}

.evidence-badge {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--primary-600);
  background: rgba(34, 197, 94, 0.08);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.evidence-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--neutral-100);
}

.evidence-stat {
  text-align: center;
}

.evidence-stat-val {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--neutral-800);
}

.evidence-stat-label {
  display: block;
  font-size: 0.68rem;
  color: var(--neutral-500);
}

/* ---------- Architecture Grid ---------- */
.arch-grid {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.arch-layer {
  width: 100%;
  background: white;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.arch-layer:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.arch-layer-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--neutral-100);
}

.arch-layer-icon {
  font-size: 1.5rem;
}

.arch-layer-header h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--neutral-800);
}

.arch-layer-body {
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.arch-tech-tag {
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-full);
  color: var(--neutral-600);
}

.arch-connector {
  padding: var(--space-xs) 0;
  display: flex;
  justify-content: center;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding-bottom: var(--space-4xl);
}

.cta-card {
  position: relative;
  background: var(--surface-dark);
  border-radius: var(--radius-2xl);
  padding: var(--space-4xl);
  text-align: center;
  overflow: hidden;
}

.cta-bg-orbs {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.cta-orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(34, 197, 94, 0.2);
  top: -20%;
  right: -10%;
}

.cta-orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(59, 130, 246, 0.12);
  bottom: -20%;
  left: -5%;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    direction: ltr;
  }

  .ml-models-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .features-hero {
    padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-xl);
  }

  .phone-frame {
    width: 240px;
  }

  .phone-screen {
    min-height: 380px;
  }

  .cta-card {
    padding: var(--space-2xl);
  }

  .evidence-stat-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}