/* ==========================================================================
   CLARKE VITALITY · FUEL PILLAR STYLES
   Per-pillar accent: var(--pillar-fuel) — amber (#D49447).
   Editorial drill-down: overview → stack → supplement → protocol → cards.
   ========================================================================== */

#panel-fuel {
  --pillar-accent: var(--pillar-fuel);
}

/* ==========================================================================
   HERO
   ========================================================================== */

.fuel-hero {
  padding: var(--s-6) 0 var(--s-7);
  border-bottom: 1px solid var(--ink-border);
  margin-bottom: var(--s-7);
}

.fuel-hero__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-tiny);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-3);
}

.fuel-hero__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 4rem;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: var(--s-3);
  letter-spacing: -0.015em;
}

.fuel-hero__subtitle {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--s-5);
  letter-spacing: 0.01em;
}

.fuel-hero__body {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: var(--s-4);
}

.fuel-hero__anchor {
  display: inline-block;
  padding: var(--s-3) var(--s-4);
  border-left: 2px solid var(--pillar-accent);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  color: var(--text-primary);
  background: rgba(212, 148, 71, 0.06);
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */

.fuel-section {
  margin-bottom: var(--s-7);
}

.fuel-section-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-tiny);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-2);
}

.fuel-section-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2.25rem;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--s-3);
  letter-spacing: -0.01em;
}

.fuel-section-sub {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: var(--s-5);
}

/* ==========================================================================
   BEST PRACTICES (operating principles)
   ========================================================================== */

.fuel-practices {
  margin-bottom: var(--s-7);
}

.fuel-practice {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--ink-elev);
  border: 1px solid var(--ink-line);
  border-radius: 4px;
  padding: var(--s-4);
  margin-bottom: var(--s-3);
  cursor: pointer;
  transition: all 0.2s ease-out;
  position: relative;
}

.fuel-practice:hover {
  border-color: rgba(212, 148, 71, 0.4);
}

.fuel-practice.open {
  border-color: var(--pillar-accent);
}

.fuel-practice__main {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--s-4);
  align-items: baseline;
}

.fuel-practice__label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.fuel-practice__value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--pillar-accent);
  letter-spacing: var(--tracking-med);
}

.fuel-practice__sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.fuel-practice__chevron {
  position: absolute;
  top: var(--s-4);
  right: var(--s-4);
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--pillar-accent);
  transition: transform 0.2s ease-out;
}

.fuel-practice.open .fuel-practice__chevron {
  transform: rotate(45deg);
}

.fuel-practice__detail {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--ink-line);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s ease-out;
}

.fuel-practice.open .fuel-practice__detail {
  max-height: 400px;
  opacity: 1;
}

/* ==========================================================================
   STACK OVERVIEW GRID
   ========================================================================== */

.fuel-stack-grid,
.fuel-protocol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--s-4);
  margin-bottom: var(--s-5);
}

.fuel-stack-card,
.fuel-protocol-card {
  text-align: left;
  background: var(--ink-elev);
  border: 1px solid var(--ink-line);
  border-radius: 4px;
  padding: var(--s-5);
  cursor: pointer;
  transition: all 0.2s ease-out;
  position: relative;
  min-height: 200px;
}

.fuel-stack-card:hover,
.fuel-protocol-card:hover {
  border-color: var(--pillar-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212, 148, 71, 0.12);
}

.fuel-stack-card__n,
.fuel-protocol-card__n {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  color: var(--pillar-accent);
  margin-bottom: var(--s-2);
}

.fuel-stack-card__icon,
.fuel-protocol-card__icon {
  font-size: 2rem;
  margin-bottom: var(--s-3);
}

.fuel-stack-card__name,
.fuel-protocol-card__name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--s-2);
  letter-spacing: -0.01em;
}

.fuel-protocol-card__window {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-2);
}

.fuel-stack-card__tagline,
.fuel-protocol-card__tagline {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: var(--s-3);
}

.fuel-stack-card__count {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.fuel-stack-card__arrow,
.fuel-protocol-card__arrow {
  position: absolute;
  bottom: var(--s-4);
  right: var(--s-4);
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--pillar-accent);
}

/* ==========================================================================
   STACK DETAIL (drilled view)
   ========================================================================== */

.fuel-stack-detail,
.fuel-protocol-detail,
.fuel-card-detail {
  margin-top: var(--s-6);
  margin-bottom: var(--s-7);
  padding: var(--s-5);
  background: rgba(15, 20, 25, 0.4);
  border: 1px solid var(--pillar-accent);
  border-radius: 4px;
}

.fuel-stack-detail__close,
.fuel-protocol-detail__close,
.fuel-card-detail__close {
  background: transparent;
  border: 1px solid var(--ink-line);
  color: var(--text-secondary);
  padding: var(--s-2) var(--s-3);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  border-radius: 3px;
  cursor: pointer;
  margin-bottom: var(--s-4);
  transition: all 0.2s ease-out;
}

.fuel-stack-detail__close:hover,
.fuel-protocol-detail__close:hover,
.fuel-card-detail__close:hover {
  border-color: var(--pillar-accent);
  color: var(--pillar-accent);
}

.fuel-stack-detail__title-row,
.fuel-protocol-detail__title-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-4);
  align-items: start;
  margin-bottom: var(--s-4);
}

.fuel-stack-detail__icon,
.fuel-protocol-detail__icon {
  font-size: 2.5rem;
}

.fuel-stack-detail__n,
.fuel-protocol-detail__n {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-1);
}

.fuel-stack-detail__title,
.fuel-protocol-detail__title,
.fuel-card-detail__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--s-2);
}

.fuel-protocol-detail__window {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--pillar-accent);
  margin-bottom: var(--s-2);
}

.fuel-stack-detail__tagline,
.fuel-protocol-detail__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: var(--s-3);
}

.fuel-stack-detail__summary,
.fuel-protocol-detail__summary,
.fuel-card-detail__body {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  padding-top: var(--s-3);
  border-top: 1px solid var(--ink-line);
  margin-bottom: var(--s-5);
}

/* ==========================================================================
   SUPPLEMENT CARDS
   ========================================================================== */

.fuel-stack-detail__items {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.fuel-supp {
  background: var(--ink-elev);
  border: 1px solid var(--ink-line);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.2s ease-out;
}

.fuel-supp:hover {
  border-color: rgba(212, 148, 71, 0.4);
}

.fuel-supp.open {
  border-color: var(--pillar-accent);
}

.fuel-supp__head {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: var(--s-4);
  cursor: pointer;
  position: relative;
}

.fuel-supp__title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s-3);
  margin-bottom: var(--s-2);
}

.fuel-supp__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--text-primary);
  letter-spacing: var(--tracking-med);
}

.fuel-supp__status {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

.fuel-supp--current .fuel-supp__status {
  background: rgba(120, 180, 120, 0.15);
  color: #8FC78F;
  border: 1px solid rgba(120, 180, 120, 0.3);
}

.fuel-supp--recommended .fuel-supp__status {
  background: rgba(212, 148, 71, 0.15);
  color: var(--pillar-accent);
  border: 1px solid var(--pillar-accent);
}

.fuel-supp--upgrade .fuel-supp__status {
  background: rgba(212, 148, 71, 0.08);
  color: var(--pillar-accent);
  border: 1px dashed rgba(212, 148, 71, 0.5);
}

.fuel-supp--optional .fuel-supp__status {
  background: rgba(180, 180, 180, 0.1);
  color: var(--text-tertiary);
  border: 1px solid rgba(180, 180, 180, 0.3);
}

.fuel-supp--paused .fuel-supp__status,
.fuel-supp--pending .fuel-supp__status {
  background: rgba(200, 150, 100, 0.1);
  color: #C89664;
  border: 1px solid rgba(200, 150, 100, 0.3);
}

.fuel-supp__dose-row {
  display: flex;
  gap: var(--s-4);
  flex-wrap: wrap;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
}

.fuel-supp__dose {
  color: var(--pillar-accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.fuel-supp__timing {
  color: var(--text-tertiary);
  font-style: italic;
}

.fuel-supp__chevron {
  position: absolute;
  top: var(--s-4);
  right: var(--s-4);
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--pillar-accent);
  transition: transform 0.2s ease-out;
}

.fuel-supp.open .fuel-supp__chevron {
  transform: rotate(45deg);
}

.fuel-supp__body {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s ease-out;
}

.fuel-supp.open .fuel-supp__body {
  max-height: 2000px;
  opacity: 1;
  padding: 0 var(--s-4) var(--s-4);
  border-top: 1px solid var(--ink-line);
}

.fuel-supp__row {
  margin-top: var(--s-3);
}

.fuel-supp__row-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--s-1);
}

.fuel-supp__row-text {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

.fuel-supp__brands {
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--ink-line);
}

.fuel-supp__brand {
  margin-top: var(--s-3);
  padding: var(--s-3);
  background: rgba(15, 20, 25, 0.5);
  border-left: 2px solid var(--pillar-accent);
}

.fuel-supp__brand-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin-bottom: var(--s-1);
  letter-spacing: 0.02em;
}

.fuel-supp__brand-why {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--s-1);
}

.fuel-supp__brand-where {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.fuel-supp__luna {
  margin-top: var(--s-4);
  padding: var(--s-3);
  background: rgba(212, 148, 71, 0.08);
  border: 1px solid rgba(212, 148, 71, 0.3);
  border-radius: 3px;
}

.fuel-supp__luna-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-1);
  font-weight: 600;
}

.fuel-supp__luna-text {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

.fuel-supp__shop {
  margin-top: var(--s-3);
  padding: var(--s-2) var(--s-3);
  background: rgba(212, 148, 71, 0.05);
  border-left: 2px solid var(--pillar-accent);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.fuel-supp__shop strong {
  color: var(--pillar-accent);
  font-weight: 600;
}

/* ==========================================================================
   PROTOCOL DETAIL (timing sequence steps)
   ========================================================================== */

.fuel-protocol-detail__sequence {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.fuel-step {
  padding: var(--s-4);
  background: var(--ink-elev);
  border-left: 3px solid var(--pillar-accent);
  border-radius: 0 4px 4px 0;
}

.fuel-step__time {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-2);
  font-weight: 600;
}

.fuel-step__action {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--text-primary);
  margin-bottom: var(--s-2);
  letter-spacing: 0.01em;
}

.fuel-step__why {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: var(--s-2);
}

.fuel-step__notes {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-style: italic;
  padding: var(--s-2);
  background: rgba(15, 20, 25, 0.4);
  border-radius: 2px;
}

.fuel-step__notes strong {
  color: var(--pillar-accent);
  font-style: normal;
  font-weight: 600;
}

/* ==========================================================================
   HYDRATION PROTOCOL
   ========================================================================== */

.fuel-hydration {
  margin-bottom: var(--s-7);
  padding: var(--s-5);
  background: linear-gradient(
    180deg,
    rgba(212, 148, 71, 0.04) 0%,
    rgba(212, 148, 71, 0.01) 100%
  );
  border: 1px solid rgba(212, 148, 71, 0.2);
  border-radius: 4px;
}

.fuel-hydration__targets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}

.fuel-hydration__target {
  padding: var(--s-4);
  background: var(--ink-elev);
  border: 1px solid var(--ink-line);
  border-radius: 3px;
}

.fuel-hydration__target-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--s-2);
}

.fuel-hydration__target-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--pillar-accent);
  margin-bottom: var(--s-1);
  letter-spacing: var(--tracking-med);
}

.fuel-hydration__target-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--s-2);
}

.fuel-hydration__target-detail {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

.fuel-hydration__triggers {
  margin-bottom: var(--s-5);
}

.fuel-hydration__triggers-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-3);
  font-weight: 600;
}

.fuel-hydration__trigger {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: var(--s-3);
  align-items: center;
  padding: var(--s-3);
  background: var(--ink-elev);
  border: 1px solid var(--ink-line);
  border-radius: 3px;
  margin-bottom: var(--s-2);
}

.fuel-hydration__trigger-n {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--pillar-accent);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 148, 71, 0.1);
  border-radius: 50%;
}

.fuel-hydration__trigger-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.fuel-hydration__trigger-when {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.fuel-hydration__trigger-amount {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--pillar-accent);
  letter-spacing: var(--tracking-med);
}

.fuel-hydration__trigger-running {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.fuel-hydration__brands {
  padding-top: var(--s-4);
  border-top: 1px solid var(--ink-line);
}

.fuel-hydration__brand {
  margin-top: var(--s-3);
  padding: var(--s-3);
  background: var(--ink-elev);
  border-left: 2px solid var(--pillar-accent);
  border-radius: 0 3px 3px 0;
}

.fuel-hydration__brand-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin-bottom: var(--s-1);
  letter-spacing: 0.02em;
}

.fuel-hydration__brand-why {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--s-1);
}

.fuel-hydration__brand-where {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

/* ==========================================================================
   SPECIAL CARDS
   ========================================================================== */

.fuel-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--s-4);
}

.fuel-card-btn {
  text-align: left;
  background: var(--ink-elev);
  border: 1px solid rgba(212, 148, 71, 0.25);
  border-radius: 4px;
  padding: var(--s-5);
  cursor: pointer;
  transition: all 0.2s ease-out;
  position: relative;
  min-height: 140px;
}

.fuel-card-btn:hover {
  border-color: var(--pillar-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212, 148, 71, 0.12);
}

.fuel-card-btn__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--pillar-accent);
  margin-bottom: var(--s-2);
  letter-spacing: var(--tracking-med);
}

.fuel-card-btn__sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--s-3);
  line-height: 1.5;
}

.fuel-card-btn__count {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.fuel-card-btn__arrow {
  position: absolute;
  bottom: var(--s-4);
  right: var(--s-4);
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--pillar-accent);
}

/* Special card detail (drilled view) */
.fuel-card-detail__sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--pillar-accent);
  margin-bottom: var(--s-3);
}

.fuel-card-detail__items {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
}

@media (min-width: 720px) {
  .fuel-card-detail__items {
    grid-template-columns: 1fr 1fr;
  }
}

.fuel-card-item {
  padding: var(--s-4);
  background: rgba(15, 20, 25, 0.5);
  border: 1px solid var(--ink-line);
  border-radius: 3px;
}

.fuel-card-item__name {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--s-2);
  letter-spacing: 0.02em;
}

.fuel-card-item__row {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: var(--s-1);
}

.fuel-card-item__row strong {
  color: var(--pillar-accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.fuel-card-item__why {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: var(--s-2) 0;
}

/* ==========================================================================
   AVOID SECTION
   ========================================================================== */

.fuel-avoid-section {
  padding-top: var(--s-5);
  border-top: 2px dashed rgba(220, 90, 90, 0.4);
}

.fuel-avoid__items {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.fuel-avoid-item {
  background: var(--ink-elev);
  border: 1px solid rgba(220, 90, 90, 0.25);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.2s ease-out;
}

.fuel-avoid-item:hover {
  border-color: rgba(220, 90, 90, 0.4);
}

.fuel-avoid-item.open {
  border-color: #DC5A5A;
}

.fuel-avoid-item__head {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: var(--s-3) var(--s-4);
  cursor: pointer;
  position: relative;
}

.fuel-avoid-item__name {
  font-family: var(--font-display);
  font-size: 1rem;
  color: #DC5A5A;
  letter-spacing: 0.02em;
  margin-bottom: var(--s-1);
}

.fuel-avoid-item__sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.fuel-avoid-item__chevron {
  position: absolute;
  top: var(--s-3);
  right: var(--s-4);
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: #DC5A5A;
  transition: transform 0.2s ease-out;
}

.fuel-avoid-item.open .fuel-avoid-item__chevron {
  transform: rotate(45deg);
}

.fuel-avoid-item__body {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s ease-out;
}

.fuel-avoid-item.open .fuel-avoid-item__body {
  max-height: 600px;
  opacity: 1;
  padding: 0 var(--s-4) var(--s-3);
  border-top: 1px solid rgba(220, 90, 90, 0.2);
}

.fuel-avoid-item__why {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: var(--s-3) 0;
}

.fuel-avoid-item__shop {
  padding: var(--s-2) var(--s-3);
  background: rgba(220, 90, 90, 0.05);
  border-left: 2px solid rgba(220, 90, 90, 0.6);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.fuel-avoid-item__shop strong {
  color: #DC5A5A;
  font-weight: 600;
}

/* ==========================================================================
   LUNA REVIEW FOOTER
   ========================================================================== */

.fuel-luna-footer {
  margin-top: var(--s-7);
  padding: var(--s-5);
  background: rgba(212, 148, 71, 0.08);
  border: 1px solid var(--pillar-accent);
  border-radius: 4px;
}

.fuel-luna-footer__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-tiny);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--pillar-accent);
  margin-bottom: var(--s-2);
  font-weight: 600;
}

.fuel-luna-footer__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--s-3);
  letter-spacing: -0.005em;
}

.fuel-luna-footer__body {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 720px) {
  .fuel-hero__title {
    font-size: 2.5rem;
  }

  .fuel-section-title {
    font-size: 1.75rem;
  }

  .fuel-stack-grid,
  .fuel-protocol-grid {
    grid-template-columns: 1fr;
  }

  .fuel-practice__main {
    grid-template-columns: 1fr;
    gap: var(--s-2);
  }

  .fuel-hydration__trigger {
    grid-template-columns: auto 1fr;
    gap: var(--s-2);
  }

  .fuel-hydration__trigger-amount,
  .fuel-hydration__trigger-running {
    grid-column: 2;
    text-align: left;
  }

  .fuel-supp__title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-1);
  }

  .fuel-stack-detail__title-row,
  .fuel-protocol-detail__title-row {
    grid-template-columns: 1fr;
  }
}