/* ==========================================================================
   Panacea Wellness — design tokens & shared styles
   Edit colours, spacing and type here to change the whole site.
   ========================================================================== */

:root {
  /* Colour tokens (see brief, section 3) */
  --color-ivory: #F7F5EF;
  --color-sage-pale: #E5EBE0;
  --color-sage: #A7B59E;
  --color-forest: #344B3C;
  --color-charcoal-green: #29352D;
  --color-stone: #D8D2C6;
  --color-ivory-rgb: 247, 245, 239;
  --color-forest-rgb: 52, 75, 60;

  /* Semantic aliases */
  --color-bg: var(--color-ivory);
  --color-bg-alt: var(--color-sage-pale);
  --color-text: var(--color-charcoal-green);
  --color-text-inverse: var(--color-ivory);
  --color-border: var(--color-stone);
  --color-accent: var(--color-forest);
  --color-accent-soft: var(--color-sage);

  /* Type */
  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-1: clamp(1.15rem, 1.05rem + 0.5vw, 1.375rem);
  --step-2: clamp(1.4rem, 1.2rem + 1vw, 1.85rem);
  --step-3: clamp(1.85rem, 1.5rem + 1.6vw, 2.6rem);
  --step-4: clamp(2.4rem, 1.9rem + 2.4vw, 3.6rem);

  /* Spacing scale */
  --space-2xs: 0.4rem;
  --space-xs: 0.75rem;
  --space-sm: 1.25rem;
  --space-md: 2rem;
  --space-lg: 3.25rem;
  --space-xl: 5rem;
  --space-2xl: 7.5rem;

  --container-max: 74rem;
  --container-narrow: 46rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --border-thin: 1px solid var(--color-border);
  --shadow-soft: 0 8px 30px -12px rgba(41, 53, 45, 0.18);
  --transition-fast: 160ms ease;
  --transition-medium: 320ms ease;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

/* Prevent CSS Grid/Flexbox's default min-width:auto from letting
   intrinsically-sized children (e.g. <img width height> attributes)
   force horizontal overflow at narrow viewports. */
.hero-grid, .split, .footer-grid, .card-grid {
  min-width: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

svg { display: block; }

a {
  color: var(--color-accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-charcoal-green);
  line-height: 1.15;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { margin: 0 0 var(--space-sm); max-width: 62ch; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 var(--space-sm); padding-left: 1.25em; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.prose-measure { max-width: 62ch; }

/* ---- Focus states ---- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -100px;
  background: var(--color-forest);
  color: var(--color-ivory);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus {
  top: var(--space-sm);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: var(--border-thin);
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-forest);
  border-color: var(--color-forest);
  color: var(--color-ivory);
}
.btn-primary:hover { background: #2a3a30; border-color: #2a3a30; color: var(--color-ivory); }

.btn-secondary {
  background: transparent;
  border-color: var(--color-forest);
  color: var(--color-forest);
}
.btn-secondary:hover { background: rgba(52, 75, 60, 0.08); }

.btn-on-dark {
  background: var(--color-ivory);
  border-color: var(--color-ivory);
  color: var(--color-forest);
}
.btn-on-dark:hover { background: transparent; color: var(--color-ivory); }

.btn-outline-on-dark {
  background: transparent;
  border-color: var(--color-ivory);
  color: var(--color-ivory);
}
.btn-outline-on-dark:hover { background: rgba(247, 245, 239, 0.12); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(var(--color-ivory-rgb), 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: var(--border-thin);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-xs);
}

.wordmark {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-charcoal-green);
  text-decoration: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.wordmark span {
  color: var(--color-forest);
}

.nav-drawer {
  display: contents;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-charcoal-green);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  border-bottom-color: var(--color-forest);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.8rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-charcoal-green);
  min-height: 44px;
  cursor: pointer;
}

.nav-toggle-icon {
  width: 20px;
  height: 14px;
  position: relative;
}
.nav-toggle-icon span,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-charcoal-green);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle-icon::before { top: 0; }
.nav-toggle-icon span { top: 6px; }
.nav-toggle-icon::after { top: 12px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span {
  opacity: 0;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-drawer {
    display: block;
    position: fixed;
    top: var(--header-h, 0);
    left: 0;
    right: 0;
    /* Explicit height (rather than relying on top+bottom auto-resolution)
       because .site-header's backdrop-filter makes it the containing
       block for this fixed descendant, not the viewport. */
    height: calc(100vh - var(--header-h, 0px));
    overflow: hidden;
    pointer-events: none;
    z-index: 95;
  }
  .primary-nav {
    position: absolute;
    inset: 0 0 0 auto;
    width: min(320px, 84vw);
    height: 100%;
    background: var(--color-ivory);
    border-left: var(--border-thin);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    box-shadow: var(--shadow-soft);
    pointer-events: auto;
  }
  body.nav-open .primary-nav {
    transform: translateX(0);
  }
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  .nav-links a { font-size: 1.1rem; }
  .header-cta { width: 100%; }
  .header-cta .btn { width: 100%; }
}

.nav-scrim {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(41, 53, 45, 0.35);
  z-index: 94;
}
body.nav-open .nav-scrim { display: block; }

/* ---- Sections ---- */
.section {
  padding-block: var(--space-2xl);
}
.section-tight { padding-block: var(--space-xl); }
.section-alt { background: var(--color-bg-alt); }
.section-dark {
  background: var(--color-forest);
  color: var(--color-ivory);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark p {
  color: var(--color-ivory);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-forest);
  margin-bottom: var(--space-xs);
}
.section-dark .eyebrow { color: var(--color-sage); }

/* ---- Hero ---- */
.hero {
  padding-block: var(--space-xl) var(--space-2xl);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.hero-grid > * { min-width: 0; }
.hero-copy h1 { margin-bottom: var(--space-md); }
.hero-copy p { font-size: var(--step-1); max-width: 44ch; }
.hero-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin);
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
}

/* ---- Two column editorial ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.split > * { min-width: 0; }
.split.reverse .split-media { order: 2; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: -1; }
}
.split-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin);
}
.split-media img { width: 100%; object-fit: cover; }

/* ---- Portrait ---- */
.portrait-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin);
  background: var(--color-sage-pale);
  max-width: 22rem;
}
.portrait-note {
  margin-top: var(--space-xs);
  font-size: 0.85rem;
  color: var(--color-charcoal-green);
  opacity: 0.75;
}

/* ---- Cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.theme-card {
  background: var(--color-ivory);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.section-alt .theme-card { background: var(--color-ivory); }
.theme-icon {
  width: 42px;
  height: 42px;
  margin-bottom: var(--space-sm);
  color: var(--color-forest);
}
.theme-card h3 { font-size: var(--step-1); margin-bottom: var(--space-xs); }
.theme-card p { font-size: 0.95rem; margin-bottom: 0; }

.resource-card {
  display: flex;
  flex-direction: column;
  border: var(--border-thin);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-ivory);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.resource-card:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}
.resource-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.resource-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: var(--border-thin);
}
.resource-media img { width: 100%; height: 100%; object-fit: cover; }
.resource-body { padding: var(--space-sm) var(--space-sm) var(--space-md); }
.resource-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-xs);
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--color-sage-pale);
  color: var(--color-forest);
}
.tag-draft {
  background: var(--color-forest);
  color: var(--color-ivory);
}
.resource-card h3 { font-size: 1.3rem; margin-bottom: 0.4rem; }
.resource-card p { font-size: 0.92rem; color: var(--color-charcoal-green); margin-bottom: 0; }
.resource-read {
  margin-top: var(--space-sm);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-forest);
}

/* ---- Filters ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: var(--space-lg) 0 0;
  list-style: none;
  padding: 0;
}
.filter-btn {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: var(--border-thin);
  background: transparent;
  color: var(--color-charcoal-green);
  cursor: pointer;
  min-height: 40px;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-forest); }
.filter-btn[aria-pressed="true"] {
  background: var(--color-forest);
  border-color: var(--color-forest);
  color: var(--color-ivory);
}

.resources-empty {
  display: none;
  margin-top: var(--space-lg);
  padding: var(--space-md);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-charcoal-green);
}
.resources-empty.is-visible { display: block; }

/* ---- Notice / placeholder cards ---- */
.notice-card {
  border: var(--border-thin);
  background: var(--color-sage-pale);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}
.notice-card h3 { margin-bottom: var(--space-sm); }
.notice-list {
  margin: var(--space-sm) 0 0;
  padding-left: 1.1em;
}
.notice-list li { margin-bottom: 0.4rem; }

.draft-banner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--color-forest);
  color: var(--color-ivory);
  padding: 0.85rem var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: var(--space-lg);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-sage-pale);
  border-top: var(--border-thin);
  padding-block: var(--space-xl) var(--space-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-lg);
}
.footer-grid > * { min-width: 0; }
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand .wordmark { display: inline-block; margin-bottom: var(--space-xs); }
.footer-tagline { max-width: 32ch; font-size: 0.95rem; }
.footer-nav-list, .footer-meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-nav-list a, .footer-meta-list a {
  color: var(--color-charcoal-green);
  text-decoration: none;
  font-size: 0.95rem;
}
.footer-nav-list a:hover, .footer-meta-list a:hover { text-decoration: underline; }
.footer-heading {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-forest);
  margin-bottom: var(--space-sm);
}
.footer-disclaimer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: var(--border-thin);
  font-size: 0.85rem;
  color: var(--color-charcoal-green);
  opacity: 0.85;
  max-width: 70ch;
}
.footer-bottom {
  margin-top: var(--space-md);
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.stack { display: flex; flex-direction: column; gap: var(--space-sm); }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.section-intro {
  max-width: 46rem;
}
.section-intro h2 { margin-bottom: var(--space-sm); }
.section-intro p { font-size: var(--step-1); }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  margin-top: var(--space-sm);
  font-weight: 700;
  text-decoration: none;
  color: var(--color-forest);
}
.link-more:hover { text-decoration: underline; }