:root {
  --vital-bg: #06231c;
  --vital-surface: #0c362c;
  --vital-card: #104438;
  --vital-tone: #10b981;
  --vital-glow: #34d399;
  --vital-ink: #ecfdf5;
  --vital-muted: #a7f3d0;
  --vital-line: rgba(52, 211, 153, 0.25);
  --vital-gradient: linear-gradient(135deg, #06231c 0%, #0d4a3c 100%);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;
}

/* Base resets & typography */
body {
  background-color: var(--vital-bg);
  color: var(--vital-ink);
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
}

/* Scroll Progress Timeline */
@keyframes progress-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.header-scroll-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--vital-glow);
  width: 100%;
  transform-origin: left;
  animation: progress-grow linear;
  animation-timeline: scroll();
}

/* Viewport Scroll Reveal Animation */
@keyframes section-reveal-anim {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-reveal {
  animation: section-reveal-anim linear both;
  animation-timeline: view();
  animation-range: entry 10% cover 25%;
}

/* Header & Navigation */
.vital-top-bar {
  background: var(--vital-surface);
  border-bottom: 1px solid var(--vital-line);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.vital-branding-mark img {
  max-height: 40px;
  width: auto;
}

.vital-link-item {
  color: var(--vital-ink);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.vital-link-item:hover {
  color: var(--vital-glow);
}

.vital-accent-link {
  color: var(--vital-glow);
  font-weight: 600;
  padding: 0.4rem 1rem;
  border: 1px solid var(--vital-glow);
  border-radius: 12px;
}

.vital-accent-link:hover {
  background: var(--vital-glow);
  color: var(--vital-bg);
}

/* Mobile Navigation Toggle (CSS Only) */
@media (max-width: 1023px) {
  .vital-navigation-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--vital-surface);
    padding: 1.5rem;
    border-bottom: 1px solid var(--vital-line);
  }

  .vital-nav-check:checked ~ .vital-navigation-menu {
    display: block;
  }
}

/* PRESET F: Hero Section */
.editorial-hero-shell {
  position: relative;
  border-bottom: 1px solid var(--vital-line);
}

.editorial-overlay-shade {
  background: radial-gradient(circle, rgba(6, 35, 28, 0.75) 0%, rgba(6, 35, 28, 0.95) 100%);
}

.editorial-giant-heading {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--vital-ink);
  letter-spacing: -0.02em;
  text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.editorial-scroll-prompt {
  color: var(--vital-glow);
}

/* PRESET F: Journal / Content Section 1 */
.journal-section-head {
  color: var(--vital-glow);
}

.journal-drop-cap {
  float: left;
  font-family: var(--font-display);
  font-size: 4.2rem;
  line-height: 0.8;
  font-weight: 900;
  padding-right: 0.75rem;
  padding-top: 0.2rem;
  color: var(--vital-glow);
}

/* PRESET F: CTA Strip */
.quick-action-strip {
  background: var(--vital-gradient);
  border-y: 1px solid var(--vital-line);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.ghost-action-button {
  border-color: var(--vital-glow);
  color: var(--vital-glow);
  border-radius: 12px;
}

.ghost-action-button:hover {
  background: var(--vital-glow);
  color: var(--vital-bg);
  box-shadow: 0 0 20px rgba(52, 211, 153, 0.4);
}

/* PRESET F: Divider */
.ornamental-split-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--vital-glow), transparent);
  opacity: 0.4;
}

/* PRESET F: Accordion Features */
.habit-step-card {
  background: var(--vital-surface);
  border: 1px solid var(--vital-line);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.habit-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--vital-glow);
}

.habit-number-backdrop {
  color: var(--vital-glow);
}

/* PRESET F: Pullquote Banner */
.pullquote-banner {
  background: var(--vital-surface);
  border-left: 6px solid var(--vital-glow);
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.quote-callout-text {
  color: var(--vital-ink);
  font-style: italic;
}

/* PRESET F: Testimonials Horizontal Cards */
.opinion-card-wrapper {
  background: var(--vital-card);
  border: 1px solid var(--vital-line);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.opinion-quote-mark {
  color: var(--vital-glow);
}

.opinion-author-label {
  color: var(--vital-glow);
}

/* PRESET F: FAQ Section */
.inquiry-q-item {
  border-bottom: 1px solid var(--vital-line);
  padding-bottom: 1.5rem;
}

.inquiry-q-head {
  color: var(--vital-glow);
}

/* PRESET F: Form Section (Underline Style Inputs) */
.line-input-field {
  border: none;
  border-bottom: 2px solid var(--vital-line);
  color: var(--vital-ink);
}

.line-input-field:focus {
  border-bottom-color: var(--vital-glow);
}

.line-input-label {
  color: var(--vital-muted);
}

.line-input-field:focus ~ .line-input-label,
.line-input-field:not(:placeholder-shown) ~ .line-input-label {
  transform: translateY(-22px);
  font-size: 0.8rem;
  color: var(--vital-glow);
}

.form-submit-accent {
  background: var(--vital-glow);
  color: var(--vital-bg);
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(52, 211, 153, 0.3);
}

.form-submit-accent:hover {
  background: #22c55e;
  box-shadow: 0 8px 25px rgba(52, 211, 153, 0.5);
}

/* Footer */
.vital-footer-bar {
  background: var(--vital-surface);
  border-color: var(--vital-line);
}