:root {
  --primary: #f95721;
  --primary-hover: #e04410;
  --primary-light: #fff2ed;
  --secondary: #1e293b;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #3b82f6;
  --info-bg: #eff6ff;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
  --transition: all 0.2s ease-in-out;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

/* Header & Nav */
.navbar {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.5px;
}

.brand-logo span {
  color: var(--primary);
}

.badge-pilot {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary);
}

.btn-nav-action {
  background: var(--primary-light);
  color: var(--primary);
  border: 1.5px solid #ffccba;
  padding: 0.45rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-nav-action:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(249, 87, 33, 0.25);
}

.btn-nav-secondary {
  background: #f8fafc;
  color: #334155;
  border: 1.5px solid #cbd5e1;
  padding: 0.45rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-nav-secondary:hover {
  background: #f1f5f9;
  color: #0f172a;
  border-color: #94a3b8;
}

/* Hero Section */
.hero-section {
  padding: 3.5rem 1.5rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-tagline {
  display: inline-block;
  background: #f1f5f9;
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 30px;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.15;
  color: var(--secondary);
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.hero-title span {
  color: var(--primary);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Request Container Card */
.request-card-wrapper {
  max-width: 760px;
  margin: 0 auto 3rem;
  padding: 0 1rem;
  width: 100%;
}

.request-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
}

.input-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  display: block;
}

.request-textarea {
  width: 100%;
  height: 110px;
  padding: 1rem;
  font-family: var(--font);
  font-size: 1.05rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  resize: vertical;
  outline: none;
  transition: var(--transition);
  color: var(--text-main);
  background: #fdfdfd;
}

.request-textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(249, 87, 33, 0.15);
}

/* Example chips */
.example-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.85rem 0 1.5rem;
}

.example-chip {
  background: #f1f5f9;
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.example-chip:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: #ffd6c9;
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition);
  font-family: var(--font);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(249, 87, 33, 0.12);
}

/* Submit Button */
.btn-submit {
  width: 100%;
  background: var(--primary);
  color: #ffffff;
  border: none;
  padding: 1rem 1.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(249, 87, 33, 0.3);
}

.btn-submit:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(249, 87, 33, 0.4);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Feature/Value Props */
.features-grid {
  max-width: 1000px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Tracking Page Components */
.tracking-wrapper {
  max-width: 800px;
  margin: 2rem auto 4rem;
  padding: 0 1.25rem;
  width: 100%;
}

.tracking-header {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.tracking-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.req-id-badge {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
}

.status-pill {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-NEW { background: #e0f2fe; color: #0284c7; }
.status-SEARCHING { background: #fef3c7; color: #d97706; }
.status-OPTIONS_FOUND, .status-AWAITING_CUSTOMER { background: #fae8ff; color: #a21caf; }
.status-CONFIRMED, .status-FULFILLING { background: #e0e7ff; color: #4338ca; }
.status-COMPLETED { background: #dcfce7; color: #15803d; }
.status-CANCELLED, .status-UNFULFILLABLE { background: #fee2e2; color: #b91c1c; }

/* Status Stepper Timeline */
.stepper-timeline {
  display: flex;
  justify-content: space-between;
  margin: 2rem 0 1rem;
  position: relative;
}

.stepper-timeline::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 30px;
  right: 30px;
  height: 3px;
  background: var(--border-color);
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid #cbd5e1;
  color: #64748b;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
  font-weight: 700;
  font-size: 0.85rem;
  transition: var(--transition);
}

.step-item.active .step-circle {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(249, 87, 33, 0.2);
}

.step-item.completed .step-circle {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.step-item.active .step-label {
  color: var(--secondary);
  font-weight: 700;
}

/* Option Cards List */
.options-container {
  margin: 2rem 0;
}

.option-card {
  background: #ffffff;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.option-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.option-card.selected {
  border-color: var(--success);
  background: #f0fdf4;
}

.option-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.option-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary);
}

.option-price {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--primary);
}

.option-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
  background: #f8fafc;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}

.opt-detail-item {
  font-size: 0.85rem;
}

.opt-detail-label {
  color: var(--text-muted);
  font-weight: 500;
}

.opt-detail-val {
  font-weight: 700;
  color: var(--secondary);
}

.btn-select-option {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 100%;
  transition: var(--transition);
}

.btn-select-option:hover {
  background: var(--primary-hover);
}

/* Footer */
footer {
  margin-top: auto;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}