/*
  Global stylesheet — single source of truth for the site.

  Structure:
    1) Reset and base
    2) Design tokens (:root) — palette and typography are owned by the
       `brand-guidelines` skill. Spacing, radii, shadows, motion, and layout
       tokens are owned here.
    3) Layout primitives
    4) Components (site-wide reusable primitives only — page-specific
       styles live with their page builds, not here)
    5) Utilities
*/

/* ===== 1) Reset and base ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== 2) Design tokens ===== */
/* Palette and typography are written by the `brand-guidelines` skill from
   `build-assets/0-the-brand/tokens.json`. Spacing, radii, shadows, and
   transitions are owned here. */
:root {
  /* Palette (brand-guidelines) */
  --color-bg: #f4f8f5;
  --color-surface: #ffffff;
  --color-surface-soft: #eaf3ec;
  --color-text: #1d2328;
  --color-text-soft: #6b7785;
  --color-primary: #03a688;
  --color-primary-dark: #048a72;
  --color-primary-light: #d8e8d8;
  --color-accent: #c0597b;
  --color-focus: #03a688;

  /* Typography (brand-guidelines) */
  --font-heading: "Poppins", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Poppins", "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Radii */
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(60, 64, 67, 0.12);
  --shadow-md: 0 4px 14px rgba(17, 24, 39, 0.08);
  --shadow-lg: 0 12px 32px rgba(17, 24, 39, 0.12);

  /* Motion */
  --transition-fast: 180ms ease;
  --transition-base: 260ms ease;

  /* Layout */
  --container-max: 72rem;
}

/* ===== 3) Layout primitives ===== */
.container {
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

.section {
  padding: var(--space-10) 0;
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-2 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

@media (min-width: 600px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ===== 4) Components ===== */

/* Site header — logo bar above nav */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
  padding: var(--space-3) 0;
}

.site-header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo-img {
  height: 75px;
  width: auto;
  display: block;
  max-width: 100%;
}

/* Site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

.site-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

.site-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* CMS-rendered menus — `{{menu.navigation}}` and `{{menu.footer}}` expand to
   <ul class="canvas-navigation-menu"> / <ul class="canvas-footer-menu"> with
   <li><a> children. Style the generated classes directly. */

.canvas-navigation-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.canvas-navigation-menu > li {
  margin: 0;
}

.canvas-navigation-menu a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.canvas-navigation-menu a:hover,
.canvas-navigation-menu a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.canvas-footer-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-6);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
}

.canvas-footer-menu > li {
  margin: 0;
}

.canvas-footer-menu a {
  color: var(--color-text-soft);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.canvas-footer-menu a:hover,
.canvas-footer-menu a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--color-primary);
}

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

.breadcrumb-separator {
  color: var(--color-text-soft);
  opacity: 0.6;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  min-height: 2.75rem;
  padding: 0.78rem 1.4rem;
  font-size: 0.98rem;
  line-height: 1;
  letter-spacing: 0.01em;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline-offset: 3px; }

.btn[disabled],
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
  pointer-events: none;
  box-shadow: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--color-primary) 28%, transparent);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--color-primary) 40%, transparent);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-text) 16%, transparent);
}

.btn-secondary:hover {
  background: color-mix(in srgb, var(--color-surface-soft) 75%, #fff);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-text) 20%, transparent);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--color-surface-soft) 65%, transparent);
}

.btn-sm {
  min-height: 2.2rem;
  padding: 0.55rem 1rem;
  font-size: 0.87rem;
}

.btn-lg {
  min-height: 3rem;
  padding: 0.9rem 1.7rem;
  font-size: 1.04rem;
}

.btn-block { width: 100%; }

.btn-icon {
  width: 2.75rem;
  min-width: 2.75rem;
  padding: 0;
  border-radius: 50%;
}

/* Card */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid color-mix(in srgb, var(--color-text) 6%, transparent);
  padding: var(--space-5);
}

.card-title {
  margin: 0 0 var(--space-2);
  font-size: 1.08rem;
}

.card-text {
  margin: 0;
  color: var(--color-text-soft);
}

/* Chip — pill-shaped tag */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.chip-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Site footer */
.site-footer {
  padding: var(--space-10) 0;
  color: var(--color-text-soft);
  font-size: 0.9rem;
  border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

/* Footer legal links */
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--color-text-soft);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== Article pages ===== */
.art-wrap {
  max-width: 54rem;
}

.art-header h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: var(--space-5) 0 var(--space-6);
  color: var(--color-text);
}

.art-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
  margin-bottom: var(--space-8);
  font-size: 0.88rem;
  color: var(--color-text-soft);
}

.art-byline-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
}

.art-byline-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.art-byline-name {
  font-weight: 700;
  color: var(--color-text);
}

.art-byline-sep {
  opacity: 0.4;
}

.art-hero {
  margin: var(--space-8) 0 var(--space-10);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.art-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.art-prose p {
  font-size: 1.02rem;
  line-height: 1.8;
  margin: 0 0 var(--space-5);
  color: var(--color-text);
}

.art-prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.art-prose a:hover {
  opacity: 0.8;
}

.art-prose h2 {
  font-size: clamp(1.15rem, 2.8vw, 1.4rem);
  margin: var(--space-10) 0 var(--space-4);
  color: var(--color-text);
}

.art-prose h3 {
  font-size: 1.05rem;
  margin: var(--space-6) 0 var(--space-3);
  color: var(--color-text);
}

.art-prose ul,
.art-prose ol {
  font-size: 1.02rem;
  line-height: 1.8;
  margin: 0 0 var(--space-5);
  padding-left: var(--space-6);
}

.art-prose li {
  margin-bottom: var(--space-2);
}

.art-prose strong {
  font-weight: 700;
  color: var(--color-text);
}

/* Scrollable table wrapper */
.art-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-6) 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
}

.art-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 540px;
}

.art-table thead th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--color-primary);
  color: #fff;
  white-space: nowrap;
}

.art-table tbody tr {
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 6%, transparent);
  transition: background var(--transition-fast);
}

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

.art-table tbody tr:nth-child(even) {
  background: var(--color-surface-soft);
}

.art-table tbody tr:hover {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.art-table td {
  padding: var(--space-3) var(--space-4);
  vertical-align: middle;
  color: var(--color-text-soft);
}

.art-table td:first-child {
  font-weight: 600;
  color: var(--color-text);
}

/* Pull-quote callout */
.art-pullquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  background: var(--color-surface-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.04rem;
  line-height: 1.65;
  color: var(--color-text);
  font-style: italic;
}

/* FAQ section */
.art-faq {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

.art-faq h2 {
  font-size: 1.35rem;
  margin: 0 0 var(--space-6);
}

.art-faq-item {
  padding: var(--space-5) 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 6%, transparent);
}

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

.art-faq-q {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

.art-faq-a {
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--color-text-soft);
  margin: 0;
}

/* In-article CTA block */
.art-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  margin: var(--space-10) 0;
  color: #fff;
}

.art-cta h2 {
  color: #fff;
  margin: 0 0 var(--space-3);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

.art-cta p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 var(--space-6);
  font-size: 1rem;
}

/* Related articles */
.art-related {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

.art-related-heading {
  font-size: 1.2rem;
  margin: 0 0 var(--space-5);
}

.art-related-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.art-related-card {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  border: 1px solid color-mix(in srgb, var(--color-text) 6%, transparent);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.art-related-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.art-related-card-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}

.art-related-card h3 {
  font-size: 0.95rem;
  margin: 0 0 var(--space-2);
  line-height: 1.35;
  color: var(--color-text);
}

.art-related-card p {
  font-size: 0.84rem;
  color: var(--color-text-soft);
  margin: 0;
  line-height: 1.5;
}

/* ===== 5) Utilities ===== */
.text-center { text-align: center; }
.muted { color: var(--color-text-soft); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}