/* Evergreen Chess Club styles */
:root {
  --evergreen-900: #0b4b38;
  --evergreen-800: #0b4b38;
  --evergreen-700: #0b4b38; /* primary */
  --evergreen-100: #fae5c0; /* accent */
  --evergreen-050: #fff3dd;
  --ink-900: #0b0f14;
  --ink-700: #1f2937;
  --ink-600: #334155;
  --ink-500: #475569;
  --ink-400: #6b7280;
  --ink-200: #e5e7eb;
  --white: #ffffff;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.15);
  --shadow-md: 0 12px 24px rgba(0,0,0,0.12);
  --shadow-sm: 0 6px 12px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--ink-700);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--evergreen-700); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1120px, 92%); margin: 0 auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--evergreen-700);
  backdrop-filter: none;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: inline-flex; gap: 10px; align-items: center; font-weight: 800; color: #ffffff; letter-spacing: 0.2px; }
.brand-name { font-family: "Playfair Display", serif; font-weight: 700; font-size: 20px; }
.brand-mark { display: inline-flex; }

.nav-toggle { display: none; width: 44px; height: 44px; gap: 5px; flex-direction: column; align-items: center; justify-content: center; background: transparent; border: 1px solid rgba(11,75,56,0.25); border-radius: 10px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink-900); border-radius: 2px; }
/* Make toggle visible on dark header */
.site-header .nav-toggle { border-color: rgba(255,255,255,0.35); }
.site-header .nav-toggle span { background: #ffffff; }

.site-nav ul { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; align-items: center; }
.site-nav a { padding: 10px 12px; border-radius: 8px; color: #ffffff; }
.site-nav a:hover { background: rgba(255,255,255,0.08); text-decoration: none; }
.site-nav a:focus-visible { outline: 2px solid var(--evergreen-100); outline-offset: 2px; }

.btn { display: inline-block; padding: 12px 18px; border-radius: 12px; font-weight: 700; background: var(--evergreen-700); color: var(--white); box-shadow: var(--shadow-sm); }
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--evergreen-700); border: 1px solid rgba(11,75,56,0.3); }
/* Header-specific donate button styling for contrast */
.site-header .btn--ghost { color: var(--evergreen-100); border-color: rgba(250,229,192,0.9); }
.site-header .btn--ghost:hover { background: rgba(250,229,192,0.12); }

/* Brand image */
.brand img.brand-img { height: 56px; width: auto; border-radius: 8px; box-shadow: none; background: transparent; border: none; }

/* Hero */
.hero { padding: 64px 0 24px; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 36px; }
.hero-copy h1 { font-size: 44px; line-height: 1.1; margin: 0 0 12px; letter-spacing: -0.5px; }
.overline { display: inline-block; font-size: 12px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--evergreen-700); background: var(--evergreen-100); padding: 6px 10px; border-radius: 999px; margin-bottom: 10px; }
.hero-copy p { font-size: 18px; color: var(--ink-600); margin: 0 0 18px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual { filter: drop-shadow(var(--shadow-md)); }
.hero-photo { width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); display: block; }

/* Sections */
.section { padding: 64px 0; }
.section--alt { background: #ffffff; }
.section--cta { background: var(--evergreen-700); color: var(--white); }
.section-header { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; margin-bottom: 20px; }
.link { color: var(--evergreen-700); font-weight: 600; }

/* Subtle section separators for structure */
.section + .section { border-top: 1px solid rgba(11,75,56,0.06); }

h2 { font-size: 32px; margin: 0 0 12px; letter-spacing: -0.2px; }
h3 { font-size: 22px; margin: 0 0 8px; }
p { line-height: 1.7; }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: 1fr 1fr; align-items: start; }

.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checklist li { padding-left: 30px; position: relative; }
.checklist li::before { content: "✔"; position: absolute; left: 0; top: 0; color: var(--evergreen-700); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: #ffffff; border: 1px solid rgba(11,75,56,0.12); border-radius: var(--radius-lg); padding: 18px; box-shadow: var(--shadow-sm); }

/* Variant: two-column cards (used on methodology) */
.cards.cards--2 { grid-template-columns: repeat(2, 1fr); }
.methodology-cards { margin-top: 12px; }
.methodology-cards .card h3 { margin-bottom: 4px; }
.methodology-cards .muted { color: var(--ink-500); font-size: 14px; }

/* About right column tweaks */
.about-right { display: grid; gap: 12px; align-content: start; }
.about-badge { align-self: start; justify-self: start; display: inline-block; background: var(--evergreen-100); color: var(--evergreen-900); padding: 6px 10px; border-radius: 999px; font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 1.1px; }

.feature { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; }
.feature-media .ph-img { margin: 0; }
.feature-body p { margin: 0 0 12px; }

.cta { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; }
.cta .btn { background: var(--evergreen-100); color: var(--evergreen-900); border: 1px solid rgba(255,255,255,0.3); }
.cta .btn--ghost { background: transparent; color: #eafff6; border-color: rgba(255,255,255,0.35); }
.cta-note { opacity: 0.85; font-size: 14px; margin-top: -4px; }

/* Footer */
.site-footer { border-top: 1px solid rgba(11,75,56,0.12); padding: 28px 0 48px; background: #ffffff; }
.footer-inner { display: grid; gap: 12px; }
.brand-row { display: inline-flex; gap: 10px; align-items: center; }
.footer-links { display: inline-flex; gap: 12px; list-style: none; padding: 0; margin: 0; }
.legal, .contact-line { color: var(--ink-500); font-size: 14px; margin: 0; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .feature { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-nav { position: absolute; top: 80px; left: 0; right: 0; background: var(--evergreen-700); border-bottom: 1px solid rgba(0,0,0,0.08); display: none; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; }
  .site-nav a { padding: 14px; color: #ffffff; }
  .nav-toggle { display: inline-flex; }
  .brand img.brand-img { height: 48px; }
  .hero { padding: 48px 0 18px; }
  .hero-copy h1 { font-size: clamp(24px, 6vw, 36px); }
  .event-hero { gap: 16px; }
}

/* Screen-reader only text */
.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; }


/* --- Event visual enhancements --- */
.event-hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; padding: 16px; border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--evergreen-050), #fff); border: 1px solid rgba(11,75,56,0.12); box-shadow: var(--shadow-sm); }
.event-hero .event-hero-body h1 { margin: 0 0 8px; }
.event-hero .event-hero-body p { margin: 0; color: var(--ink-600); }
.event-hero .event-hero-aside { justify-self: end; display: grid; gap: 10px; text-align: right; }
.event-badges { display: inline-flex; gap: 8px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; font-weight: 700; font-size: 12px; letter-spacing: 0.4px; }
.badge--accent { background: var(--evergreen-100); color: var(--evergreen-900); }
.badge--ghost { background: rgba(11,75,56,0.06); color: var(--evergreen-700); }

.meta-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.meta-list li { display: grid; grid-template-columns: 18px 1fr; align-items: start; gap: 8px; }
.meta-list .icon { width: 18px; height: 18px; color: var(--evergreen-700); }

.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid rgba(11,75,56,0.15); padding-left: 28px; display: grid; gap: 8px; }
.timeline li { position: relative; padding-left: 0; }
.timeline li::before { content: ""; position: absolute; left: -35px; top: 0.6em; transform: translateY(-50%); width: 10px; height: 10px; border: 2px solid var(--evergreen-700); background: #fff; border-radius: 999px; }

.event-cta-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 10px; }
.note { font-size: 12px; color: var(--ink-500); margin-top: 8px; }
.badge-row { display: inline-flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 6px 0; }
.spacer-sm { height: 8px; }

/* Event cards */
.event-card { display: grid; gap: 10px; }
.event-card h3 { margin-bottom: 0; }
.event-card .muted { color: var(--ink-500); font-size: 14px; }

@media (max-width: 960px) {
  .event-hero { grid-template-columns: 1fr; text-align: left; }
  .event-hero .event-hero-aside { justify-self: start; text-align: left; }
}

/* Coach photo */
.coach-figure {
  width: 100%;
  max-width: 340px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.coach-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.coach-caption {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink-500);
  text-align: center;
}

/* Callout component */
.callout { display: grid; gap: 8px; padding: 16px; border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--evergreen-050), #fff); border: 1px solid rgba(11,75,56,0.12); box-shadow: var(--shadow-sm); }
.callout h3 { margin: 0; font-size: 18px; }
.callout .muted { color: var(--ink-600); }
.callout--compact { padding: 12px; gap: 6px; }
.callout--spaced { margin-top: 10px; margin-bottom: 12px; }
.callout--bare { background: transparent; border: 0; box-shadow: none; padding: 0; }
.callout--tight { gap: 4px; }
.callout--spaced-tight { margin-top: 6px; margin-bottom: 8px; }

/* Compact accent label for inline headings */
.heading-chip {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--evergreen-100);
  color: var(--evergreen-900);
  font-weight: 800;
  letter-spacing: 0.2px;
}

@media (max-width: 960px) {
  .coach-figure { max-width: 300px; }
}
@media (max-width: 720px) {
  .coach-figure { max-width: 100%; }
}

/* About coach layout tweaks */
.about-coach-grid { grid-template-columns: 1.2fr 1fr; align-items: start; }
.coach-aside { position: sticky; top: 96px; align-self: start; display: grid; gap: 12px; }

@media (max-width: 960px) {
  .about-coach-grid { grid-template-columns: 1fr; }
  .coach-aside { position: static; top: auto; }
}