:root {
  --habit-bg-paper: #fbf7ee;
  --habit-surface-parchment: #f4eedd;
  --habit-warm-ink: #2b241f;
  --habit-vintage-gold: #b8860b;
  --habit-vintage-crimson: #8b261b;
  --habit-vintage-border: #d3c4a5;
  --habit-vintage-shadow: rgba(43, 36, 31, 0.12);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Mulish', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Scroll Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--habit-vintage-crimson);
  width: 100%;
  transform-origin: 0 50%;
  animation: grow-progress auto linear;
  animation-timeline: scroll();
  z-index: 9999;
}

@keyframes grow-progress {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

/* Scroll-driven fade-in for sections */
.sedentary-scroll-section {
  animation: fadeInView auto linear both;
  animation-timeline: view();
  animation-range: entry 10% cover 30%;
}

@keyframes fadeInView {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Navigation & Hamburger */
.nav-link-vintage {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--habit-warm-ink);
  transition: color 0.2s ease;
  position: relative;
}

.nav-link-vintage:hover {
  color: var(--habit-vintage-crimson);
}

.nav-link-vintage::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--habit-vintage-crimson);
  transition: width 0.2s ease;
}

.nav-link-vintage:hover::after {
  width: 100%;
}

.sedentary-mobile-menu {
  display: none;
}

.sedentary-menu-checkbox:checked ~ .sedentary-mobile-menu {
  display: flex;
}

/* Vintage Seals & Frames */
.sedentary-seal-svg {
  animation: subtleRotate 30s linear infinite;
}

@keyframes subtleRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.sedentary-vintage-frame-box {
  border: 2px solid var(--habit-vintage-border);
  box-shadow: 6px 6px 0 var(--habit-vintage-gold), inset 0 0 0 3px var(--habit-bg-paper);
}

/* Buttons */
.sedentary-vintage-pill-btn {
  background: var(--habit-vintage-crimson);
  color: #ffffff;
  border-radius: 999px;
  border: 2px solid var(--habit-vintage-crimson);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.3), 0 4px 10px var(--habit-vintage-shadow);
  transition: all 0.3s ease;
  cursor: pointer;
}

.sedentary-vintage-pill-btn:hover {
  background: transparent;
  color: var(--habit-vintage-crimson);
  box-shadow: inset 0 0 0 2px var(--habit-vintage-crimson), 0 6px 14px var(--habit-vintage-shadow);
}

.sedentary-btn-dark-bg {
  background: var(--habit-vintage-gold);
  border-color: var(--habit-vintage-gold);
  color: #2b241f;
}

.sedentary-btn-dark-bg:hover {
  background: transparent;
  color: #f4eedd;
  box-shadow: inset 0 0 0 2px var(--habit-vintage-gold);
}

/* Guarantee Stickers / Feature Cards */
.sedentary-sticker-card {
  background: rgba(255, 252, 245, 0.95);
  border: 2px solid var(--habit-vintage-border);
  border-radius: 16px;
  position: relative;
  box-shadow: 0 6px 18px var(--habit-vintage-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sedentary-sticker-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px var(--habit-vintage-shadow);
}

.sedentary-sticker-icon-seal {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--habit-vintage-gold);
  position: relative;
}

.sedentary-sticker-icon-seal::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px dashed var(--habit-vintage-crimson);
}

.sedentary-dotted-divider {
  width: 100%;
  border-bottom: 1px dotted var(--habit-vintage-border);
}

/* CTA Double Border Box */
.sedentary-double-border-cta {
  border: 4px double var(--habit-vintage-gold);
  background: rgba(43, 36, 31, 0.6);
}

/* Testimonial Letters */
.sedentary-testimonial-card {
  background: rgba(255, 252, 235, 0.95);
  border: 1px solid var(--habit-vintage-border);
  box-shadow: 4px 4px 12px var(--habit-vintage-shadow);
}

.sedentary-testimonial-card::before,
.sedentary-testimonial-card::after {
  content: '❧';
  position: absolute;
  font-size: 1.2rem;
  color: var(--habit-vintage-gold);
}

.sedentary-testimonial-card::before {
  top: 8px;
  left: 12px;
}

.sedentary-testimonial-card::after {
  bottom: 8px;
  right: 12px;
}

/* Form Styles */
.sedentary-vintage-form {
  border: 2px solid var(--habit-vintage-border);
  box-shadow: 8px 8px 0 var(--habit-vintage-border);
}

.sedentary-dashed-field {
  border-bottom: 2px dashed var(--habit-vintage-border);
  color: var(--habit-warm-ink);
  transition: border-color 0.2s ease;
}

.sedentary-dashed-field:focus {
  border-bottom: 2px solid var(--habit-vintage-crimson);
}

/* FAQ Numbers */
.sedentary-faq-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--habit-vintage-gold);
  color: var(--habit-vintage-crimson);
}

details[open] summary {
  color: var(--habit-vintage-crimson);
}