/* =============================================================================
   Peptide Directory — Single Peptide Page Styles
   Loaded conditionally on singular peptide + peptide archive pages only.
   ============================================================================= */

/* ── 1. Peptide Hero ────────────────────────────────────────────────────────── */
.peptide-hero {
  padding-block: var(--space-10) var(--space-12);
  border-bottom: 1px solid var(--color-divider);
  background-color: var(--color-bg-alt);
}

/* Breadcrumb */
.peptide-breadcrumb {
  margin-bottom: var(--space-6);
}

.peptide-breadcrumb__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}

.peptide-breadcrumb__list li a {
  color: var(--color-text-dim);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.peptide-breadcrumb__list li a:hover {
  color: var(--color-accent);
}

.peptide-breadcrumb__list li[aria-current="page"] {
  color: var(--color-text-muted);
}

.peptide-breadcrumb__list span {
  color: var(--color-text-dim);
  font-size: var(--text-sm);
}

/* Hero layout: content left / image right */
.peptide-hero__layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-10);
  align-items: start;
}

.peptide-hero__category-badge {
  margin-bottom: var(--space-4);
}

.peptide-hero__name {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-5);
}

.peptide-hero__image {
  width: 320px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  flex-shrink: 0;
  box-shadow: var(--shadow-elevated),
              inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.peptide-hero__image img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

/* Aliases */
.peptide-aliases {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.peptide-aliases__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-right: var(--space-1);
}

.peptide-aliases__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Stats strip */
.peptide-stats-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-card);
  width: fit-content;
}

.peptide-stats-strip__item {
  padding: var(--space-3) var(--space-5);
  border-right: 1px solid var(--color-card-border);
}

.peptide-stats-strip__item:last-child {
  border-right: none;
}

.peptide-stats-strip__item dt {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: var(--space-1);
}

.peptide-stats-strip__item dd {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* ── 2. Two-Column Layout ───────────────────────────────────────────────────── */
.peptide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--space-10);
  align-items: start;
  padding-block: var(--space-12);
}

.peptide-main {
  min-width: 0; /* prevent grid blowout */
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* ── 3. Sidebar ─────────────────────────────────────────────────────────────── */
.peptide-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ── 4. Sections ────────────────────────────────────────────────────────────── */
.pd-section {
  padding-block: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}

.pd-section:last-child {
  border-bottom: none;
}

.pd-section--disclaimer {
  padding-bottom: 0;
}

.pd-section__header {
  margin-bottom: var(--space-6);
}

.pd-section__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.pd-section__title {
  font-size: var(--text-2xl);
  letter-spacing: -0.025em;
}

.pd-section__subtitle {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 56ch;
}

/* ── 5. Reconstitution Guide ────────────────────────────────────────────────── */
.recon-params {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-card);
  overflow: hidden;
  margin-bottom: var(--space-6);
  width: fit-content;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.recon-params__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  border-right: 1px solid var(--color-card-border);
}

.recon-params__item:last-child {
  border-right: none;
}

.recon-params__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.recon-params__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

/* Reconstitution steps */
.recon-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-6);
  counter-reset: recon-step;
}

.recon-steps__item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: background-color var(--duration-fast) var(--ease-out-expo);
}

.recon-steps__item:last-child {
  border-bottom: none;
}

.recon-steps__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.recon-steps__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: none;
}

/* Note box */
.recon-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-accent);
}

.recon-note__icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.recon-note p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

/* ── 6. Dosage Table ────────────────────────────────────────────────────────── */
.dosage-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.dosage-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.dosage-table thead tr {
  background-color: rgba(10, 15, 30, 0.6);
  border-bottom: 1px solid var(--color-card-border);
}

.dosage-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  white-space: nowrap;
}

.dosage-table td {
  padding: var(--space-4);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: top;
  line-height: 1.5;
}

.dosage-table tbody tr:last-child td {
  border-bottom: none;
}

.dosage-table tbody tr {
  transition: background-color var(--duration-fast) var(--ease-out-expo);
}

.dosage-table tbody tr:hover td {
  background-color: rgba(0, 212, 255, 0.03);
}

.dosage-table__protocol-name {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text) !important;
  white-space: nowrap;
}

.dosage-table__dose {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent) !important;
  white-space: nowrap;
}

.dosage-table__notes {
  font-size: var(--text-xs);
  max-width: 220px;
}

.text-dim {
  color: var(--color-text-dim);
}

.dosage-disclaimer-note {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  max-width: 68ch;
}

/* ── 7. Storage ─────────────────────────────────────────────────────────────── */
.storage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.storage-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.storage-card__icon {
  color: var(--color-accent);
  opacity: 0.8;
}

.storage-card__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.storage-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

.storage-notes {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-4) var(--space-5);
  border-left: 2px solid var(--color-card-border);
  margin-top: var(--space-2);
  max-width: none;
}

/* ── 8. Supplies List ───────────────────────────────────────────────────────── */
.supplies-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.supplies-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

.supplies-list__item:last-child {
  border-bottom: none;
}

.supplies-list__icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.supplies-list__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.supplies-list__name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.supplies-list__detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── 9. FAQ Accordion ───────────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--color-card-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-5) var(--space-5);
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-card);
  transition: background-color var(--duration-fast) var(--ease-out-expo),
              color var(--duration-fast) var(--ease-out-expo);
  cursor: pointer;
}

.faq-item__question:hover {
  background-color: rgba(0, 212, 255, 0.04);
}

.faq-item__question[aria-expanded="true"] {
  color: var(--color-accent);
}

.faq-item__chevron {
  flex-shrink: 0;
  color: var(--color-text-dim);
  transition: transform var(--duration-base) var(--ease-out-expo),
              color var(--duration-base) var(--ease-out-expo);
}

.faq-item__question[aria-expanded="true"] .faq-item__chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}

/* Grid-template-rows trick for smooth height animation */
.faq-item__answer-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-base) var(--ease-out-expo);
  background-color: var(--color-bg-alt);
}

.faq-item__answer-wrap:not([hidden]) {
  grid-template-rows: 1fr;
}

/* Reset hidden so we can use grid animation */
.faq-item__answer-wrap[hidden] {
  display: grid !important; /* override browser hidden */
  visibility: hidden;
}

.faq-item__answer-wrap:not([hidden]) {
  visibility: visible;
}

.faq-item__answer {
  overflow: hidden;
}

.faq-item__answer p {
  padding: var(--space-4) var(--space-5) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 72ch;
}

/* ── 10. Disclaimer Box ─────────────────────────────────────────────────────── */
.disclaimer-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background-color: rgba(245, 166, 35, 0.06);
  border: 1px solid rgba(245, 166, 35, 0.18);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-warning);
}

.disclaimer-box__icon {
  color: var(--color-warning);
  margin-top: 2px;
  flex-shrink: 0;
}

.disclaimer-box__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.disclaimer-box__text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: none;
}

/* ── 11. Quick Reference (Sidebar) ─────────────────────────────────────────── */
.quick-ref {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card),
              inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.quick-ref__title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-card-border);
  background-color: rgba(10, 15, 30, 0.4);
}

.quick-ref__list {
  display: flex;
  flex-direction: column;
}

.quick-ref__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}

.quick-ref__row:last-child {
  border-bottom: none;
}

.quick-ref__row--block {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}

.quick-ref__row dt {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}

.quick-ref__row dd {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  font-family: var(--font-mono);
}

.quick-ref__row--block dd {
  text-align: left;
  font-family: var(--font-body);
}

/* ── 12. Vendor Cards ───────────────────────────────────────────────────────── */
.vendor-section__title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: var(--space-1);
}

.vendor-section__note {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  margin-bottom: var(--space-4);
  max-width: none;
}

.vendor-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.vendor-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4);
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-base) var(--ease-out-expo);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.vendor-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
}

.vendor-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.vendor-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}

.vendor-card__badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background-color: var(--color-accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.15);
  padding: 2px 8px;
  border-radius: 100px;
  white-space: nowrap;
}

.vendor-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: none;
}

.vendor-coupon {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg-alt);
  border: 1px dashed var(--color-card-border);
  border-radius: var(--radius-md);
}

.vendor-coupon__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.vendor-coupon__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-warning);
  letter-spacing: 0.05em;
  background: none;
  border: none;
  padding: 0;
}

.vendor-card__cta {
  width: 100%;
  justify-content: center;
  gap: var(--space-2);
}

/* ── 13. Table of Contents (Sidebar) ────────────────────────────────────────── */
.peptide-toc {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.peptide-toc__title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-card-border);
  background-color: rgba(10, 15, 30, 0.4);
}

.peptide-toc__list {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) 0;
}

.peptide-toc__list li a {
  display: block;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out-expo),
              background-color var(--duration-fast) var(--ease-out-expo);
  border-left: 2px solid transparent;
}

.peptide-toc__list li a:hover {
  color: var(--color-accent);
  background-color: var(--color-accent-glow);
  border-left-color: var(--color-accent);
}

/* Active TOC link (set via JS) */
.peptide-toc__list li a.is-active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background-color: var(--color-accent-glow);
}

/* ── 14. Peptide Archive ────────────────────────────────────────────────────── */

/* Archive page header */
.peptide-archive-header .archive-header__title {
  margin-bottom: var(--space-2);
}

.peptide-archive-header__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: end;
  margin-bottom: var(--space-6);
}

/* Search form */
.peptide-search-form__row {
  display: flex;
  gap: 0;
}

.peptide-search-form__input {
  flex: 1;
  min-width: 280px;
  padding: 0.5625rem var(--space-4);
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--duration-fast) var(--ease-out-expo),
              background-color var(--duration-fast) var(--ease-out-expo);
  /* Remove default search cancel button */
  -webkit-appearance: none;
}

.peptide-search-form__input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--color-bg);
}

.peptide-search-form__input::placeholder {
  color: var(--color-text-dim);
}

.peptide-search-form__btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding-inline: var(--space-4);
}

/* Category filter tabs */
.peptide-cat-filter {
  margin-top: var(--space-5);
}

.peptide-cat-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.peptide-cat-filter__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.3125rem var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: 100px;
  transition: color var(--duration-fast) var(--ease-out-expo),
              border-color var(--duration-fast) var(--ease-out-expo),
              background-color var(--duration-fast) var(--ease-out-expo);
}

.peptide-cat-filter__btn:hover {
  color: var(--color-text);
  border-color: rgba(248, 250, 255, 0.14);
  background-color: rgba(248, 250, 255, 0.06);
}

.peptide-cat-filter__btn.is-active {
  color: var(--color-accent);
  background-color: var(--color-accent-dim);
  border-color: rgba(0, 212, 255, 0.25);
  font-weight: 600;
}

.peptide-cat-filter__count {
  font-size: 10px;
  color: var(--color-text-dim);
  background-color: rgba(248, 250, 255, 0.06);
  padding: 1px 5px;
  border-radius: 100px;
}

.peptide-cat-filter__btn.is-active .peptide-cat-filter__count {
  background-color: rgba(0, 212, 255, 0.1);
  color: var(--color-accent);
}

/* Results bar */
.peptide-results-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.peptide-results-bar__count {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text);
}

.peptide-results-bar__sep {
  color: var(--color-text-dim);
}

.peptide-results-bar__clear {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.peptide-results-bar__clear:hover {
  color: var(--color-accent);
}

/* Peptide grid — asymmetric */
.peptide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

/* Featured card — wide */
.peptide-card--featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 2fr 3fr;
}

.peptide-card--featured .peptide-card__image-link {
  aspect-ratio: auto;
  min-height: 280px;
}

/* Base peptide card */
.peptide-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color var(--duration-base) var(--ease-out-expo),
              transform var(--duration-base) var(--ease-out-expo),
              box-shadow var(--duration-base) var(--ease-out-expo);
}

.peptide-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.peptide-card__image-link {
  display: block;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.peptide-card__image-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.peptide-card:hover .peptide-card__image-link img {
  transform: scale(1.03);
}

.peptide-card__body {
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.peptide-card--featured .peptide-card__body {
  justify-content: center;
  padding: var(--space-8) var(--space-8);
}

.peptide-card__meta-top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.peptide-card__title {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.peptide-card--featured .peptide-card__title {
  font-size: var(--text-3xl);
}

.peptide-card__title a {
  color: var(--color-text);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.peptide-card__title a:hover {
  color: var(--color-accent);
}

.peptide-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: none;
}

.peptide-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}

.peptide-card__vials {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-dim);
}

.peptide-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
  transition: gap var(--duration-fast) var(--ease-out-expo);
}

.peptide-card__cta:hover {
  gap: var(--space-3);
  color: var(--color-accent);
}

/* ── 15. Guides Archive Styles ──────────────────────────────────────────────── */

.guides-archive-header__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: end;
  margin-bottom: var(--space-6);
}

/* Guide card grid */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

/* Lead guide card — full width */
.guide-card--lead {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 2fr 3fr;
}

.guide-card--lead .guide-card__image-link {
  aspect-ratio: auto;
  min-height: 260px;
}

.guide-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color var(--duration-base) var(--ease-out-expo),
              transform var(--duration-base) var(--ease-out-expo),
              box-shadow var(--duration-base) var(--ease-out-expo);
}

.guide-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.guide-card__image-link {
  display: block;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.guide-card__image-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.guide-card:hover .guide-card__image-link img {
  transform: scale(1.03);
}

.guide-card__body {
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.guide-card--lead .guide-card__body {
  justify-content: center;
  padding: var(--space-8);
}

.guide-card__meta-top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.guide-card__title {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.guide-card--lead .guide-card__title {
  font-size: var(--text-3xl);
}

.guide-card__title a {
  color: var(--color-text);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.guide-card__title a:hover {
  color: var(--color-accent);
}

.guide-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: none;
}

.guide-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}

.guide-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}

/* ── 16. Single Guide ───────────────────────────────────────────────────────── */

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: var(--space-10);
  align-items: start;
  padding-block: var(--space-10) var(--space-20);
}

/* Guide header */
.guide-header {
  margin-bottom: var(--space-8);
}

.guide-header__meta-top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.guide-header__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.guide-header__lead {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  line-height: 1.55;
  max-width: 64ch;
  margin-bottom: var(--space-4);
}

.guide-header__byline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-dim);
}

.guide-header__sep {
  color: var(--color-text-dim);
}

.guide-header__updated {
  font-style: italic;
}

/* Featured image */
.guide-featured-image {
  margin-bottom: var(--space-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
}

.guide-featured-image img {
  width: 100%;
  height: auto;
}

/* Guide content */
.guide-content {
  margin-bottom: var(--space-10);
}

/* Guide footer */
.guide-footer {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.guide-footer__cats {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.guide-footer__cats-label {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.guide-footer__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.guide-footer__nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease-out-expo);
}

.guide-footer__nav-link:hover {
  border-color: rgba(0, 212, 255, 0.2);
}

.guide-footer__nav-link--next {
  text-align: right;
}

.guide-footer__nav-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.guide-footer__nav-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.guide-footer__nav-link:hover .guide-footer__nav-title {
  color: var(--color-accent);
}

/* ── 17. Guide Sidebar ──────────────────────────────────────────────────────── */

.guide-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* TOC Desktop */
.guide-toc--desktop {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.guide-toc--mobile {
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-card);
  display: none; /* shown via media query */
}

.guide-toc__heading {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-card-border);
  background-color: rgba(10, 15, 30, 0.4);
  margin: 0;
}

.guide-toc__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  cursor: pointer;
  background-color: rgba(10, 15, 30, 0.4);
  text-align: left;
}

.guide-toc__toggle-icon {
  flex-shrink: 0;
  transition: transform var(--duration-base) var(--ease-out-expo);
}

.guide-toc__toggle[aria-expanded="true"] .guide-toc__toggle-icon {
  transform: rotate(180deg);
}

.guide-toc__list {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) 0;
}

.guide-toc__item a {
  display: block;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease-out-expo),
              background-color var(--duration-fast) var(--ease-out-expo),
              border-left-color var(--duration-fast) var(--ease-out-expo);
}

.guide-toc__item--h3 a {
  padding-left: var(--space-8);
  font-size: 11px;
  color: var(--color-text-dim);
}

.guide-toc__item a:hover {
  color: var(--color-accent);
  background-color: var(--color-accent-glow);
  border-left-color: var(--color-accent);
}

.guide-toc__item a.is-active {
  color: var(--color-accent);
  background-color: var(--color-accent-glow);
  border-left-color: var(--color-accent);
}

/* Related peptides */
.guide-related-peptides {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.guide-related-peptides__heading {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-card-border);
  background-color: rgba(10, 15, 30, 0.4);
  margin: 0;
}

.guide-related-list {
  display: flex;
  flex-direction: column;
}

.guide-related-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  transition: background-color var(--duration-fast) var(--ease-out-expo);
}

.guide-related-item:last-child {
  border-bottom: none;
}

.guide-related-item:hover {
  background-color: rgba(0, 212, 255, 0.03);
}

.guide-related-item__thumb-link {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.guide-related-item__thumb-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-related-item__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.guide-related-item__name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.guide-related-item__name:hover {
  color: var(--color-accent);
}

.guide-related-item__meta {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  font-family: var(--font-mono);
}

/* Sidebar CTA */
.guide-sidebar-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.guide-sidebar-cta__icon {
  color: var(--color-accent);
  opacity: 0.8;
}

.guide-sidebar-cta__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.guide-sidebar-cta__body {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

/* ── 18. Vendors Page Styles ─────────────────────────────────────────────────── */

.vendors-page-header__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 70ch;
}

.vendors-page-header__desc code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.vendors-section {
  margin-bottom: var(--space-16);
}

.vendors-section__title {
  font-size: var(--text-2xl);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-6);
}

/* Comparison table */
.vendor-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.vendor-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  white-space: nowrap;
}

.vendor-table thead tr {
  background-color: rgba(10, 15, 30, 0.6);
  border-bottom: 1px solid var(--color-card-border);
}

.vendor-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.vendor-table td {
  padding: var(--space-4);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: middle;
}

.vendor-table tbody tr:last-child td {
  border-bottom: none;
}

.vendor-table tbody tr {
  background-color: var(--color-card);
  transition: background-color var(--duration-fast) var(--ease-out-expo);
}

.vendor-table tbody tr:hover td {
  background-color: rgba(0, 212, 255, 0.02);
}

.vendor-table__row--top td {
  background-color: rgba(0, 212, 255, 0.03);
}

.vendor-table__name-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  white-space: normal;
  max-width: 300px;
}

.vendor-table__rank {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-dim);
  background-color: rgba(248, 250, 255, 0.05);
  border: 1px solid var(--color-card-border);
  border-radius: 50%;
}

.vendor-table__row--top .vendor-table__rank {
  color: var(--color-accent);
  background-color: var(--color-accent-dim);
  border-color: rgba(0, 212, 255, 0.2);
}

.vendor-table__name {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.vendor-table__desc {
  font-size: 11px;
  color: var(--color-text-dim);
  line-height: 1.5;
  white-space: normal;
  max-width: 260px;
}

.vendor-table__price-range {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* Star ratings */
.vendor-stars {
  display: flex;
  align-items: center;
  gap: 2px;
}

.vendor-stars__star {
  color: var(--color-text-dim);
}

.vendor-stars__star--filled {
  color: var(--color-warning);
}

/* Lab score bar */
.lab-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 80px;
}

.lab-bar__track {
  flex: 1;
  height: 4px;
  background-color: var(--color-card-border);
  border-radius: 100px;
  overflow: hidden;
}

.lab-bar__fill {
  height: 100%;
  border-radius: 100px;
  transition: width var(--duration-slow) var(--ease-out-expo);
}

.lab-bar__value {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

/* Vendor detail cards grid */
.vendors-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.vendor-detail-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.vendor-detail-card--top {
  border-color: rgba(0, 212, 255, 0.2);
}

.vendor-detail-card__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.vendor-detail-card__rank-badge {
  flex-shrink: 0;
}

.vendor-detail-card__rank {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-dim);
  background-color: rgba(248, 250, 255, 0.05);
  border: 1px solid var(--color-card-border);
  border-radius: 50%;
}

.vendor-detail-card--top .vendor-detail-card__rank {
  color: var(--color-accent);
  background-color: var(--color-accent-dim);
  border-color: rgba(0, 212, 255, 0.2);
}

.vendor-detail-card__title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.vendor-detail-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.vendor-detail-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

.vendor-detail-card__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-4);
  padding: var(--space-4);
  background-color: rgba(10, 15, 30, 0.3);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
}

.vendor-detail-card__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.vendor-detail-card__stat dt {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.vendor-detail-card__stat dd {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.vendor-detail-card__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.vendor-detail-card__highlights li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.vendor-detail-card__highlights li svg {
  color: var(--color-success);
  flex-shrink: 0;
}

.vendor-detail-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

/* Affiliate disclosure */
.affiliate-disclosure {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-accent-glow);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-lg);
  margin-top: var(--space-10);
  color: var(--color-text-dim);
}

.affiliate-disclosure svg {
  color: var(--color-accent);
  opacity: 0.7;
  flex-shrink: 0;
  margin-top: 2px;
}

.affiliate-disclosure__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.affiliate-disclosure__text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: none;
}

.affiliate-disclosure__text code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-accent);
}

/* ── 19. Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .peptide-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: var(--space-8);
  }

  .guide-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: var(--space-8);
  }

  .peptide-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .peptide-card--featured {
    grid-column: span 2;
  }

  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-card--lead {
    grid-column: span 2;
  }
}

@media (max-width: 900px) {
  .peptide-hero__image {
    width: 220px;
  }

  .peptide-hero__image img {
    height: 180px;
  }

  .storage-grid {
    grid-template-columns: 1fr;
  }

  .vendors-detail-grid {
    grid-template-columns: 1fr;
  }

  .peptide-archive-header__row,
  .guides-archive-header__row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    align-items: start;
  }
}

@media (max-width: 768px) {
  /* Stack layout — sidebar goes below main */
  .peptide-layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding-block: var(--space-8);
  }

  .peptide-sidebar {
    position: static;
    order: -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .vendor-section {
    grid-column: span 2;
  }

  .peptide-toc {
    display: none;
  }

  .peptide-hero__layout {
    grid-template-columns: 1fr;
  }

  .peptide-hero__image {
    display: none;
  }

  .peptide-hero__name {
    font-size: var(--text-4xl);
  }

  .peptide-stats-strip {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .recon-params {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  /* Peptide grid — single column */
  .peptide-grid {
    grid-template-columns: 1fr;
  }

  .peptide-card--featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .peptide-card--featured .peptide-card__image-link {
    min-height: unset;
    aspect-ratio: 16/9;
  }

  /* Guide grid — single column */
  .guides-grid {
    grid-template-columns: 1fr;
  }

  .guide-card--lead {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .guide-card--lead .guide-card__image-link {
    min-height: unset;
    aspect-ratio: 16/9;
  }

  /* Single guide — stack */
  .guide-layout {
    grid-template-columns: 1fr;
    padding-block: var(--space-8);
  }

  .guide-sidebar {
    position: static;
    order: -1;
  }

  .guide-toc--mobile {
    display: block;
  }

  .guide-toc--desktop {
    display: none;
  }

  .guide-footer__nav {
    grid-template-columns: 1fr;
  }

  /* Vendor table — scrollable */
  .vendor-table {
    min-width: 680px;
  }

  .vendor-table__desc {
    display: none;
  }
}

@media (max-width: 480px) {
  .peptide-sidebar {
    grid-template-columns: 1fr;
  }

  .vendor-section {
    grid-column: auto;
  }

  .dosage-table th,
  .dosage-table td {
    padding: var(--space-3);
    font-size: var(--text-xs);
  }

  .recon-steps__item {
    grid-template-columns: 28px 1fr;
    gap: var(--space-3);
  }

  .peptide-search-form__input {
    min-width: 0;
  }

  .vendor-detail-card__stats {
    grid-template-columns: 1fr;
  }
}