/* Gut protocol flagship — navy type hero + five removable teaching blocks */

.gut-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 100;
  background: transparent;
  pointer-events: none;
  overflow: hidden;
}
.gut-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.gut-jump {
  position: sticky;
  top: var(--nav-h);
  z-index: 40;
  background: rgba(6, 16, 31, 0.94);
  border-bottom: 1px solid rgba(212, 175, 55, 0.22);
  backdrop-filter: blur(10px);
  max-width: 100%;
  overflow-x: auto;
}
.gut-jump__list {
  display: flex;
  gap: 0.15rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  margin: 0;
  padding: 0.55rem 0;
  list-style: none;
  max-width: var(--max);
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.gut-jump a {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
}
.gut-jump a:hover { color: var(--white); }
.gut-jump a.is-active {
  color: var(--navy-deep);
  background: var(--gold);
  border-color: var(--gold);
}
.gut-jump a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.gut-hero {
  padding: clamp(3rem, 8vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
  background: var(--navy-deep);
  color: var(--white);
}
.gut-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.8vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: min(22ch, 100%);
  margin: 0 0 1rem;
  overflow-wrap: break-word;
  text-wrap: wrap;
}
.gut-hero .hero-sub {
  max-width: min(54ch, 100%);
  margin-bottom: 0;
}
.gut-hero__meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1rem 0 0;
}
.gut-hero__meta span + span::before {
  content: "·";
  margin: 0 0.5rem;
  color: rgba(212, 175, 55, 0.7);
}

.author-strip {
  background: var(--cool-grey);
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}
.author-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  max-width: 720px;
}
.author-strip__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  margin: 0;
}
.author-strip__scope {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
  max-width: 58ch;
}
.author-strip__scope a {
  color: var(--navy);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.gut-article {
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(3rem, 6vw, 4.5rem);
  background: var(--white);
}
.gut-article .container-narrow { max-width: 720px; }
.gut-prose h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--navy);
  margin: 2.75rem 0 0.85rem;
  scroll-margin-top: calc(var(--nav-h) + 3.25rem);
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.gut-prose h2:first-of-type { margin-top: 1.75rem; }
.gut-prose h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
  margin: 1.5rem 0 0.5rem;
  letter-spacing: -0.01em;
}
.gut-prose p,
.gut-prose li {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 65ch;
}
.gut-prose p { margin: 0 0 1.05rem; }
.gut-prose ul,
.gut-prose ol {
  margin: 0 0 1.15rem;
  padding-left: 1.2rem;
}
.gut-prose li { margin-bottom: 0.45rem; }
.gut-prose a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
.gut-prose a:hover { color: var(--gold-hover); }
.gut-prose hr {
  border: 0;
  height: 1px;
  background: var(--line);
  margin: 2.5rem 0;
}
.gut-prose strong { color: var(--navy); }

.pullquote {
  margin: 1.75rem 0;
  padding: 1.15rem 0 1.15rem 1.15rem;
  border-left: 1px solid var(--gold);
  max-width: 42ch;
}
.pullquote p {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  line-height: 1.35;
  color: var(--navy);
  margin: 0;
  max-width: none;
  text-wrap: balance;
}

/* Module 1 — barrier diagram (paper; removable) */
.barrier-diagram-block {
  margin: 1.75rem 0 2rem;
  background: var(--cool-grey);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.25rem;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}
.barrier-diagram-block__header h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}
.barrier-diagram-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 0.5rem;
}
.symptom-chamber {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 0.7rem;
}
.symptom-chamber__label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.2rem;
}
.symptom-chamber__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin: 0;
}
/* Module 2 — failed fixes (paper; removable) */
.failed-fixes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.65rem;
  margin: 1.5rem 0 1.75rem;
}
.failed-fix-card {
  background: var(--cool-grey);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.1rem;
}
.failed-fix-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 0.15rem;
}
.failed-fix-card__note {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.45rem;
}
.failed-fix-card__why {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: none;
}

/* Module 3 — bottle cards (hairline paper; removable) */
.bottle-spec-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.25rem;
  margin: 1.5rem 0;
}
.bottle-spec-card__label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 0.35rem;
}
.bottle-spec-card__timing {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 0.55rem;
}
.bottle-spec-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 0.65rem;
}
.bottle-spec-card .clinical-rationale {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  max-width: none;
}
.bottle-specs-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem 1rem;
  background: var(--cool-grey);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}
.spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.spec-item__label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.spec-item__val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.35;
}

/* Module 4 — schedule (the one navy inset; removable) */
.schedule-matrix-block {
  margin: 1.75rem 0 2rem;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem 1.45rem;
  box-shadow: 0 14px 32px rgba(6, 16, 31, 0.2);
}
.schedule-matrix-block__title h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 1.1rem;
}
.schedule-windows-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.65rem;
}
.window-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: var(--radius);
  padding: 1rem 1.05rem 1.1rem;
}
.window-card__badge {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.25rem;
}
.window-card__time {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
  line-height: 1.4;
}
.window-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
  color: var(--body);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.window-card__list li {
  margin: 0;
  max-width: none;
  padding-left: 0.85rem;
  position: relative;
}
.window-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.35rem;
  height: 0.35rem;
  background: var(--gold);
  border-radius: var(--radius);
}

/* Module 5 — objections (paper; removable) */
.objection-faq-grid {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 1.5rem 0 2rem;
}
.objection-card {
  background: var(--cool-grey);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.15rem 1.15rem;
}
.objection-card__q {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 0.4rem;
}
.objection-card__a {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: none;
}

.gut-cta .lede { max-width: 52ch; }

@media (max-width: 640px) {
  .gut-hero h1 {
    max-width: none;
  }
  .failed-fixes-grid,
  .bottle-specs-matrix,
  .schedule-windows-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gut-progress__bar,
  .gut-jump a { transition: none; }
  .hero-inner { animation: none; }
}