/* =========================================================
   Vitalitic Wellness — Shared Design System
   Mobile-first, no external fonts, no frameworks.
   ========================================================= */

:root {
  --color-bg: #FAF9F5;
  --color-bg-alt: #F0EEE6;
  --color-surface: #FFFFFF;
  --color-text: #262622;
  --color-text-muted: #55554E;
  --color-border: #E2DFD3;

  --color-primary: #2F5233;
  --color-primary-dark: #223C26;
  --color-primary-contrast: #FFFFFF;
  --color-accent: #9C8551;

  --font-heading: Georgia, "Times New Roman", Times, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1120px;
  --max-width-narrow: 760px;

  --radius: 6px;
  --transition: 150ms ease-in-out;
}

/* -----------------------------
   Reset / base
------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  padding-left: 1.25rem;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-primary-dark);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 2.75rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

p {
  margin: 0 0 1rem;
}

/* -----------------------------
   Accessibility helpers
------------------------------ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  z-index: 100;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 0.5rem;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* -----------------------------
   Layout helpers
------------------------------ */
.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.wrap-narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-intro {
  max-width: 65ch;
  color: var(--color-text-muted);
}

.note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-border);
  padding-left: 0.9rem;
  margin-top: 1.5rem;
}

/* -----------------------------
   Header / navigation
------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
  position: relative;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background-color: var(--color-text);
}

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-nav.is-open {
  display: block;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1.25rem 1rem;
}

.site-nav li {
  border-top: 1px solid var(--color-border);
}

.site-nav li:first-child {
  border-top: none;
}

.site-nav a {
  display: block;
  padding: 0.75rem 0.25rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-primary);
}

/* No-JS fallback: keep nav reachable if the toggle script fails to load */
noscript .site-nav,
.no-js .site-nav {
  display: block;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
    position: static;
    border-bottom: none;
    background: transparent;
  }

  .site-nav ul {
    display: flex;
    gap: 1.75rem;
    padding: 0;
  }

  .site-nav li {
    border-top: none;
  }

  .site-nav a {
    padding: 0.25rem 0;
  }
}

/* -----------------------------
   Buttons / links
------------------------------ */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-contrast);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-primary-contrast);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-primary-contrast);
}

.text-link {
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.card-link {
  display: inline-block;
  font-weight: 600;
  text-decoration: none;
  margin-top: 0.25rem;
}

.card-link:hover {
  text-decoration: underline;
}

/* -----------------------------
   Hero
------------------------------ */
.hero {
  padding-block: clamp(3rem, 8vw, 5.5rem);
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: var(--max-width-narrow);
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

/* -----------------------------
   Card grids
------------------------------ */
.card-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.card-grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

.principle-card,
.review-card,
.guide-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.review-card h3 {
  margin-bottom: 0.6rem;
}

.review-card h3 a {
  color: var(--color-text);
  text-decoration: none;
}

.review-card h3 a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.guide-card-soon {
  background-color: var(--color-bg-alt);
  border-style: dashed;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.75rem;
}

.guide-card-soon h3 {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* -----------------------------
   Process list
------------------------------ */
.process-list {
  max-width: 68ch;
  padding-left: 1.25rem;
}

.process-list li {
  margin-bottom: 0.85rem;
}

/* -----------------------------
   Disclaimer
------------------------------ */
.disclaimer-box {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.disclaimer-box h2 {
  font-size: 1.25rem;
}

.disclaimer-box p {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* -----------------------------
   Footer
------------------------------ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #EDEBE2;
  padding-block: 3rem 2rem;
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  color: #C8C4B4;
  margin-bottom: 0;
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.footer-nav a {
  color: #EDEBE2;
  text-decoration: none;
  font-weight: 600;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: #fff;
  text-decoration: underline;
}

.footer-legal {
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: #B9B5A4;
}

.footer-legal a {
  color: #D7D3C4;
}

.footer-legal a:hover {
  color: #fff;
}

.footer-copyright {
  margin-top: 1rem;
  margin-bottom: 0;
  color: #C8C4B4;
}

@media (min-width: 768px) {
  .footer-grid {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

/* =========================================================
   Inner / legal page layout (About, Editorial Policy,
   Affiliate Disclosure, Contact, Privacy Policy, Terms)
   ========================================================= */

.page-header {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.prose h2 {
  margin-top: 2.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.prose h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.prose h3 {
  margin-top: 1.5rem;
}

.prose p {
  color: var(--color-text-muted);
}

.updated-note {
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

/* =========================================================
   Article pages (e.g. HorseFil Review) — breadcrumbs, TOC,
   quick summary, CTA boxes, pricing table, FAQ
   ========================================================= */

.breadcrumbs {
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
}

.breadcrumbs li {
  color: var(--color-text-muted);
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin: 0 0.5rem;
  color: var(--color-border);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumbs li[aria-current] {
  color: var(--color-text);
  font-weight: 600;
}

.article-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.disclosure-banner {
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 1.25rem 0 0;
}

.product-figure {
  margin: 0 0 2rem;
  text-align: center;
}

.product-figure img {
  margin-inline: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
}

.product-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.quick-summary {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 0 0 2rem;
}

.quick-summary dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem 1.5rem;
  margin: 0;
}

.quick-summary dt {
  font-weight: 700;
  color: var(--color-text);
}

.quick-summary dd {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
}

@media (min-width: 600px) {
  .quick-summary dl {
    grid-template-columns: max-content 1fr;
    align-items: baseline;
  }

  .quick-summary dt {
    grid-column: 1;
  }

  .quick-summary dd {
    grid-column: 2;
    margin-bottom: 0.5rem;
  }
}

.cta-box {
  text-align: center;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  margin: 2rem 0;
}

.cta-box p {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.cta-box .cta-heading {
  margin-top: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.toc {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 0 0 2.5rem;
}

.toc h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  font-size: 1.1rem;
}

.toc ol {
  padding-left: 1.15rem;
  margin: 0;
}

@media (min-width: 640px) {
  .toc ol {
    columns: 2;
    column-gap: 2rem;
  }
}

.toc li {
  margin-bottom: 0.45rem;
  break-inside: avoid;
}

.toc a {
  text-decoration: none;
}

.toc a:hover {
  text-decoration: underline;
}

.table-scroll {
  overflow-x: auto;
  margin: 1.25rem 0;
  -webkit-overflow-scrolling: touch;
}

.pricing-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.pricing-table caption,
.data-table caption {
  caption-side: top;
  text-align: left;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}

.pricing-table th,
.pricing-table td,
.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.pricing-table thead th,
.data-table thead th {
  background-color: var(--color-bg-alt);
  font-weight: 700;
}

.quick-answer {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 0 0 2rem;
}

.quick-answer h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  font-size: 1.1rem;
}

.quick-answer ol {
  margin: 0.75rem 0 0;
}

.quick-answer li {
  margin-bottom: 0.3rem;
}

.ingredient-amount {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-primary-dark);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  margin: 0.25rem 0 0.5rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  background-color: var(--color-surface);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 1rem 2.75rem 1rem 1.25rem;
  list-style: none;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.25rem;
  top: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
}

.faq-item[open] summary::after {
  content: "\2013";
}

.faq-item p {
  padding: 0 1.25rem 1.1rem;
  margin: 0;
  color: var(--color-text-muted);
}