/* ============================================================
   St. Paul's United Church — Stylesheet
   Concept: "Sunday Morning" (see /DESIGN_DECISIONS.md)
   Structure: 1) Tokens  2) Reset  3) Base/Type  4) Layout
              5) Components  6) Utilities  7) Media queries
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Colour */
  --color-background: #faf7f0;
  --color-background-alt: #f1ece0;
  --color-surface: #ffffff;
  --color-text: #23281f;
  --color-text-muted: #53574c;
  --color-primary: #2f5233;
  --color-primary-hover: #223d26;
  --color-secondary: #8a4327;
  --color-secondary-hover: #6f3620;
  --color-link: #2f5233;
  --color-border: #ddd6c6;
  --color-focus: #1a56db;
  --color-success: #2e7d46;
  --color-warning: #8a5a00;
  --color-error: #b3261e;
  --color-on-primary: #ffffff;

  /* Typography — system stacks: fast, no external requests, no licensing */
  --font-heading: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --text-sm: 0.9375rem;   /* 15px */
  --text-base: 1.0625rem; /* 17px — a touch larger than default for an older congregation */
  --text-lg: 1.25rem;     /* 20px */
  --text-xl: 1.625rem;    /* 26px */
  --text-2xl: 2.125rem;   /* 34px */
  --text-3xl: 2.75rem;    /* 44px */

  --leading-tight: 1.2;
  --leading-normal: 1.55;

  --measure: 65ch; /* comfortable reading width */

  /* Spacing scale */
  --space-1: 0.25rem;  /* 4 */
  --space-2: 0.5rem;   /* 8 */
  --space-3: 0.75rem;  /* 12 */
  --space-4: 1rem;     /* 16 */
  --space-6: 1.5rem;   /* 24 */
  --space-8: 2rem;     /* 32 */
  --space-12: 3rem;    /* 48 */
  --space-16: 4rem;    /* 64 */
  --space-24: 6rem;    /* 96 */

  /* Layout */
  --width-site: 1200px;
  --width-narrow: 760px;
  --radius: 4px;
  --border-width: 1px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #14170f;
    --color-background-alt: #1b1f15;
    --color-surface: #1d2117;
    --color-text: #eee9dd;
    --color-text-muted: #b9b6a8;
    --color-primary: #7fae82;
    --color-primary-hover: #97c199;
    --color-secondary: #d98f66;
    --color-secondary-hover: #e5a37e;
    --color-link: #9bc79d;
    --color-border: #3a3f30;
    --color-on-primary: #14170f;
  }
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}
img, svg { max-width: 100%; display: block; height: auto; }
h1, h2, h3, h4, p, figure, ul, ol, dl { margin: 0 0 var(--space-4) 0; }
ul, ol { padding-left: 1.25em; }
a { color: var(--color-link); }
a:not(.button) { text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
button, input, textarea, select { font: inherit; color: inherit; }

@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;
  }
}

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

/* ---------- 3. Base typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: var(--leading-tight);
  color: var(--color-text);
  font-weight: 700;
}
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); margin-top: var(--space-12); }
h3 { font-size: var(--text-xl); margin-top: var(--space-8); }
h4 { font-size: var(--text-lg); }
.eyebrow {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}
.lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: var(--measure); }
.prose { max-width: var(--measure); }
.prose p { max-width: var(--measure); }

/* ---------- 4. Layout ---------- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -50px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  z-index: 100;
  transition: top 0.15s ease;
}
.skip-link:focus { top: var(--space-4); }

.wrap {
  width: 100%;
  max-width: var(--width-site);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .wrap { padding-inline: var(--space-8); }
}

.section { padding-block: var(--space-12); }
.section--alt { background: var(--color-background-alt); }
.section--primary { background: var(--color-primary); color: var(--color-on-primary); }
.section--primary h2, .section--primary h3 { color: var(--color-on-primary); }
.section--primary a { color: var(--color-on-primary); }
.hero h1, .hero h2, .hero h3 { color: var(--color-on-primary); }

.grid {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 5. Components ---------- */

/* Utility bar (top strip: worship time / location) */
.utility-bar {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: var(--text-sm);
}
.utility-bar .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  justify-content: space-between;
  padding-block: var(--space-2);
}
.utility-bar a { color: var(--color-on-primary); }

/* Site header */
.site-header {
  background: var(--color-surface);
  border-bottom: var(--border-width) solid var(--color-border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-4);
}
.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.site-header__mark {
  width: 44px;
  height: 44px;
  flex: none;
}
.site-header__name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.15;
}
.site-header__name small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Primary nav — desktop */
.primary-nav { display: none; }
.primary-nav ul {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.primary-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  border-bottom-color: var(--color-secondary);
}
.site-header .header-cta {
  display: none;
}

/* Mobile nav — native <details>/<summary>, zero JS required */
.mobile-nav { position: relative; }
.mobile-nav summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav[open] summary { border-color: var(--color-primary); }
.mobile-nav__panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-2));
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  padding: var(--space-4);
  min-width: 220px;
  z-index: 50;
}
.mobile-nav__panel ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); }
.mobile-nav__panel a {
  display: block;
  padding: var(--space-2) var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  border-radius: var(--radius);
}
.mobile-nav__panel a:hover,
.mobile-nav__panel a[aria-current="page"] { background: var(--color-background-alt); }
.mobile-nav__panel .header-cta { display: block; margin-top: var(--space-3); }

@media (min-width: 900px) {
  .primary-nav { display: block; }
  .site-header .header-cta { display: inline-flex; }
  .mobile-nav { display: none; }
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}
.button--primary {
  background: var(--color-secondary);
  color: #fff;
}
.button--primary:hover { background: var(--color-secondary-hover); }
.button--outline {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.button--outline:hover { background: rgba(255,255,255,0.12); }
.section:not(.section--primary) .button--outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.section:not(.section--primary) .button--outline:hover { background: var(--color-background-alt); }

/* Hero */
.hero {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding-block: var(--space-16) var(--space-12);
}
.hero__time {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
}
.hero__meta {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.88);
  margin-bottom: var(--space-6);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.hero__note {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.25);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.85);
  max-width: var(--measure);
}

/* Fact list (accessibility / quick facts) */
.fact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.fact-list li { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-3); align-items: baseline; }
.fact-list .fact-label { font-weight: 700; min-width: 9ch; color: var(--color-secondary); }
.fact-list li > span:last-child { min-width: 0; overflow-wrap: anywhere; }

/* Cards (used only where content is a genuine collection of independent items) */
.card {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6);
}
.card h3 { margin-top: 0; }

/* Schedule / definition list (weekly activities) */
.schedule dt { font-weight: 700; margin-top: var(--space-4); }
.schedule dt:first-child { margin-top: 0; }
.schedule dd { margin: var(--space-1) 0 0 0; color: var(--color-text-muted); }

/* Accordion — native details/summary for ministry groups */
.accordion { border-top: var(--border-width) solid var(--color-border); }
.accordion details {
  border-bottom: var(--border-width) solid var(--color-border);
  padding-block: var(--space-4);
}
.accordion summary {
  cursor: pointer;
  font-weight: 700;
  font-size: var(--text-lg);
  font-family: var(--font-heading);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--color-secondary);
  flex: none;
}
.accordion details[open] summary::after { content: "\2212"; }
.accordion .accordion__body { padding-top: var(--space-4); max-width: var(--measure); }

/* Notice / callout — used sparingly, real content only */
.notice {
  border-left: 4px solid var(--color-secondary);
  background: var(--color-background-alt);
  padding: var(--space-4) var(--space-6);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.notice p:last-child { margin-bottom: 0; }

/* Image placeholder (declared, never a fabricated photo) */
.image-placeholder {
  background: var(--color-background-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
}

/* Contact block */
.contact-block dt { font-weight: 700; }
.contact-block dd { margin: 0 0 var(--space-4) 0; overflow-wrap: anywhere; }

/* Forms */
.form-field { margin-bottom: var(--space-6); }
.form-field label { display: block; font-weight: 700; margin-bottom: var(--space-2); }
.form-field .hint { display: block; font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }
.form-field input,
.form-field textarea {
  width: 100%;
  padding: var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
}
.form-field input:user-invalid,
.form-field textarea:user-invalid {
  border-color: var(--color-error);
}
.required-flag { color: var(--color-error); }
.form-note { font-size: var(--text-sm); color: var(--color-text-muted); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.92);
  padding-block: var(--space-12) var(--space-8);
  margin-top: var(--space-16);
}
.site-footer a { color: #fff; }
.footer-grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}
.footer-grid h2 {
  font-size: var(--text-base);
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.75);
  margin-top: 0;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  justify-content: space-between;
}

/* ---------- 6. Utilities ---------- */
.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;
}
.mt-0 { margin-top: 0; }
.text-muted { color: var(--color-text-muted); }