/* Arrow Pharmacy — base styles. Custom-built, no framework/skeleton. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  color: var(--color-text);
  margin: 0 0 var(--space-2);
}
h1 { font-size: var(--fs-3xl); }
h2 {
  font-size: var(--fs-2xl);
  margin-top: var(--space-5);
  padding-bottom: 0.35em;
  border-bottom: 2px solid var(--color-primary-light);
}
h3 { font-size: var(--fs-xl); margin-top: var(--space-4); }
h4 { font-size: var(--fs-lg); }

p { margin: 0 0 var(--space-2); max-width: 72ch; }
p, li { color: var(--color-text); }
ul, ol { padding-left: 1.3em; }
li + li { margin-top: 0.35em; }

.prose blockquote {
  margin: var(--space-4) 0;
  padding: var(--space-2) var(--space-4);
  border-left: 4px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-style: italic;
  line-height: var(--lh-tight);
  color: var(--color-primary-dark);
}
.prose blockquote p { max-width: none; margin-bottom: 0; }
.prose blockquote cite { display: block; margin-top: 0.5em; font-family: var(--font-body); font-style: normal; font-size: var(--fs-sm); font-weight: 600; color: var(--color-text-muted); }

a { color: var(--color-primary-dark); text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
a:hover { color: var(--color-primary-dark); text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary-dark);
  color: #fff;
  padding: 0.75em 1.25em;
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
.prose { max-width: var(--content-narrow); }

/* ---------- Header ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6em;
  text-decoration: none;
  color: var(--color-text);
}
.brand img { height: 44px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--color-primary-dark); }
.brand-tagline { font-size: 0.72rem; color: var(--color-text-muted); }

.main-nav { display: none; }
.main-nav ul { list-style: none; display: flex; gap: var(--space-3); margin: 0; padding: 0; }
.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: 0.4em 0.1em;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.header-phone { display: none; font-weight: 600; color: var(--color-primary-dark); text-decoration: none; font-size: var(--fs-sm); }

.nav-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5em 0.7em;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; margin: 0; padding: var(--space-2) var(--space-3); }
.mobile-nav a {
  display: block;
  padding: 0.7em 0;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}
.mobile-nav li:last-child a { border-bottom: none; }

@media (min-width: 900px) {
  .main-nav { display: block; }
  .header-phone { display: inline; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75em 1.4em;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-sm);
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--color-primary-dark); color: #fff; }
.btn-primary:hover { background: #17407f; color: #fff; }
.btn-outline { background: transparent; border-color: var(--color-primary-dark); color: var(--color-primary-dark); }
.btn-outline:hover { background: var(--color-primary-light); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: var(--color-accent-dark); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-bg) 60%);
  border-bottom: 1px solid var(--color-border);
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding-block: var(--space-6) var(--space-5);
  max-width: 640px;
}
.hero .eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  padding: 0.3em 0.8em;
  border-radius: 999px;
  margin-bottom: var(--space-2);
}
.hero h1 { font-size: var(--fs-3xl); margin-bottom: var(--space-2); }
.hero p.lede { font-size: var(--fs-lg); color: var(--color-text-muted); max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.hero-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---------- Sections ---------- */
.section { padding-block: var(--space-5); }
.section-tint { background: var(--color-primary-light); }
.section-header { max-width: var(--content-narrow); margin-bottom: var(--space-4); }
.section-header p { color: var(--color-text-muted); }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.6em;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card .card-kicker { font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-primary-dark); }
.card h3 { margin: 0; font-size: var(--fs-lg); }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card { position: relative; }
.card p { font-size: var(--fs-sm); color: var(--color-text-muted); margin: 0; }
.card .card-meta { font-size: var(--fs-xs); color: var(--color-text-muted); margin-top: auto; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.25em 0.7em;
  border-radius: 999px;
}
.badge-success { background: var(--color-success-light); color: #1c6e58; }
.badge-neutral { background: var(--color-primary-light); color: var(--color-primary-dark); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); border: 1px solid var(--color-warning-border); }

/* ---------- Disclaimer / callouts ---------- */
.callout {
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-2) var(--space-3);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--fs-sm);
}
.callout p:last-child { margin-bottom: 0; }
.callout-title { font-weight: 700; display: block; margin-bottom: 0.3em; }
.disclaimer {
  border: 1px solid var(--color-warning-border);
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  margin-block: var(--space-3);
}
.disclaimer strong { display: block; margin-bottom: 0.25em; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: var(--fs-xs); color: var(--color-text-muted); margin-bottom: var(--space-2); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4em; margin: 0; padding: 0; }
.breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 0.4em; color: var(--color-border); }
.breadcrumbs a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-primary-dark); }

/* ---------- Data / updated badge ---------- */
.data-updated {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3em 0.8em;
  background: var(--color-surface);
}
.data-updated .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); }
.data-updated.is-stale .dot { background: var(--color-warning-border); }

/* ---------- Tables ---------- */
.prose table, .table-wrap table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-block: var(--space-3);
  font-size: var(--fs-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; margin-block: var(--space-3); font-size: var(--fs-sm); }
th, td { text-align: left; padding: 0.7em 0.9em; border-bottom: 1px solid var(--color-border); }
th { font-family: var(--font-display); font-weight: 600; color: var(--color-text); }
.prose th, .table-wrap th {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.prose td:first-child, .table-wrap td:first-child { font-weight: 600; }
.prose tbody tr:nth-child(even), .table-wrap tbody tr:nth-child(even) { background: var(--color-bg); }
.prose tbody tr:hover, .table-wrap tbody tr:hover { background: var(--color-primary-light); }
.prose table tr:last-child td, .table-wrap table tr:last-child td { border-bottom: none; }

/* ---------- Table of contents ---------- */
.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-block: var(--space-3);
}
.toc-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-dark);
  margin-bottom: 0.6em;
}
.toc ol { list-style: none; padding: 0; margin: 0; columns: 1; }
.toc li { margin: 0; }
.toc li + li { margin-top: 0.45em; }
.toc a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-sm);
  display: flex;
  gap: 0.6em;
  align-items: baseline;
}
.toc a::before {
  content: '→';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}
.toc a:hover { color: var(--color-primary-dark); text-decoration: underline; }
@media (min-width: 640px) {
  .toc ol { columns: 2; column-gap: var(--space-4); }
}

/* ---------- Icon lists (checklist / avoid-list) ---------- */
.icon-list { list-style: none; padding: 0; margin-block: var(--space-3); }
.icon-list li {
  position: relative;
  padding-left: 2em;
  margin: 0;
}
.icon-list li + li { margin-top: 0.7em; }
.icon-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: -0.05em;
  width: 1.4em;
  height: 1.4em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-success-light);
  color: #1c6e58;
  font-size: 0.75em;
  font-weight: 700;
}
.icon-list.avoid li::before {
  content: '✕';
  background: var(--color-warning-bg);
  color: var(--color-accent-dark);
}

/* ---------- Do / don't grid ---------- */
.do-dont-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-block: var(--space-3);
}
@media (min-width: 700px) {
  .do-dont-grid { grid-template-columns: 1fr 1fr; }
}
.do-card, .dont-card {
  border-radius: var(--radius-md);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
}
.do-card { background: var(--color-success-light); border-color: #bfe6da; }
.dont-card { background: var(--color-warning-bg); border-color: var(--color-warning-border); }
.do-card .card-kicker, .dont-card .card-kicker {
  display: block;
  font-weight: 700;
  font-size: var(--fs-sm);
  margin-bottom: 0.5em;
}
.do-card .card-kicker { color: #1c6e58; }
.dont-card .card-kicker { color: var(--color-warning-text); }
.do-card ul, .dont-card ul { list-style: none; padding: 0; margin: 0; }
.do-card li, .dont-card li { padding-left: 1.5em; position: relative; font-size: var(--fs-sm); }
.do-card li + li, .dont-card li + li { margin-top: 0.5em; }
.do-card li::before { content: '✓'; position: absolute; left: 0; color: #1c6e58; font-weight: 700; }
.dont-card li::before { content: '✕'; position: absolute; left: 0; color: var(--color-warning-text); font-weight: 700; }

/* ---------- Comparison cards (alternative to a bare table for 1-vs-1 content) ---------- */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-block: var(--space-3);
  align-items: stretch;
}
@media (min-width: 700px) {
  .compare-grid { grid-template-columns: 1fr 1fr; }
}
.compare-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.compare-card:nth-child(2) { border-top-color: var(--color-accent); }
.compare-card h3 { margin-top: 0; font-size: var(--fs-lg); }
.compare-card .compare-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 0.4em;
}
.compare-card dl { margin: 0.8em 0 0; font-size: var(--fs-sm); }
.compare-card dt { font-weight: 600; color: var(--color-text-muted); margin-top: 0.6em; }
.compare-card dd { margin: 0.15em 0 0; }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.9em 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-weight: 400; color: var(--color-primary-dark); }
.faq-item[open] summary::after { content: '\2212'; }
.faq-item p { padding-bottom: 1em; color: var(--color-text-muted); }

/* ---------- Sources ---------- */
.sources { font-size: var(--fs-sm); color: var(--color-text-muted); }
.sources ol { padding-left: 1.2em; }

/* ---------- Reviewed-by byline ---------- */
.reviewed-by {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6em;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-2);
}
.reviewed-by-pending { font-style: italic; }

/* ---------- Stat grid (quick numeric facts) ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-2);
  margin-block: var(--space-3);
}
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  text-align: center;
}
.stat .stat-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-2xl);
  color: var(--color-primary-dark);
  line-height: 1.1;
}
.stat .stat-label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: 0.3em;
}

/* ---------- Quick-answer callout (direct answer at top of YMYL content) ---------- */
.quick-answer {
  border-left: 4px solid var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: var(--space-3);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-block: var(--space-3);
}
.quick-answer p { margin-bottom: 0; max-width: none; }
.quick-answer .callout-title { color: var(--color-primary-dark); }

/* ---------- Forms ---------- */
.form-field { margin-bottom: var(--space-2); }
.form-field label { display: block; font-weight: 600; font-size: var(--fs-sm); margin-bottom: 0.35em; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.7em 0.9em;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}
.form-honeypot { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Footer ---------- */
.site-footer {
  background: #16223a;
  color: #cdd8ea;
  margin-top: var(--space-6);
}
.footer-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  padding-block: var(--space-5);
}
.footer-col h4 { color: #fff; font-family: var(--font-body); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col a { color: #cdd8ea; text-decoration: none; font-size: var(--fs-sm); }
.footer-col a:hover { color: #fff; }
.footer-col li + li { margin-top: 0.5em; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-block: var(--space-2);
  font-size: var(--fs-xs);
  color: #8fa1bd;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.stack { display: flex; flex-direction: column; gap: var(--space-2); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }