/* =====================================================================
   PALETTE TOKENS — switch via :root[data-palette="..."]
   ===================================================================== */

:root,
:root[data-palette="wpa-poster"] {
  --color-bg:            #f4ead0;
  --color-bg-elevated:   #fff8e7;
  --color-fg:            #2a2620;
  --color-fg-muted:      #5a5045;
  --color-accent:        #c4541d;
  --color-accent-2:      #2f5c3e;
  --color-neutral:       #8c7a5a;
  --color-photo-overlay: rgba(42, 38, 32, 0.55);
  --color-link:          #c4541d;
  --color-link-hover:    #8a3a13;
  --color-divider:       #d6c79a;
}

:root[data-palette="big-sky"] {
  --color-bg:            #f7f9fc;
  --color-bg-elevated:   #ffffff;
  --color-fg:            #1a2235;
  --color-fg-muted:      #4a5568;
  --color-accent:        #4a7da1;
  --color-accent-2:      #7ba05b;
  --color-neutral:       #b8b8b8;
  --color-photo-overlay: rgba(26, 34, 53, 0.45);
  --color-link:          #4a7da1;
  --color-link-hover:    #305676;
  --color-divider:       #d6dfe8;
}

:root[data-palette="photo-forward"] {
  --color-bg:            #fafafa;
  --color-bg-elevated:   #ffffff;
  --color-fg:            #111111;
  --color-fg-muted:      #555555;
  --color-accent:        #444444;
  --color-accent-2:      #888888;
  --color-neutral:       #cccccc;
  --color-photo-overlay: rgba(0, 0, 0, 0.50);
  --color-link:          #111111;
  --color-link-hover:    #444444;
  --color-divider:       #e5e5e5;
}

/* =====================================================================
   TYPOGRAPHY TOKENS
   ===================================================================== */

:root {
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body:    'Source Sans 3', system-ui, -apple-system, sans-serif;
  --font-mono:    ui-monospace, 'SF Mono', Menlo, monospace;

  --type-base: 17px;
  --line-height-body:  1.6;
  --line-height-tight: 1.2;

  --container-max: 75rem;
  --container-narrow: 50rem;
}

@media (max-width: 768px) {
  :root { --type-base: 16px; }
}

/* =====================================================================
   RESET / BASE
   ===================================================================== */

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

html {
  font-size: var(--type-base);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--line-height-body);
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { color: var(--color-link-hover); }

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

/* =====================================================================
   HEADINGS
   ===================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--line-height-tight);
  margin: 0 0 0.5em;
  font-weight: 600;
  color: var(--color-fg);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); }
h4 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

ol, ul { margin: 0 0 1em; padding-left: 1.5rem; }
li { margin-bottom: 0.5em; }
li::marker { color: var(--color-accent); }

/* =====================================================================
   UTILITIES
   ===================================================================== */

.eyebrow {
  font-family: var(--font-display);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-size: 0.875rem;
  color: var(--color-accent);
  margin: 0 0 0.5em;
}

.lead {
  font-size: 1.15rem;
  color: var(--color-fg-muted);
  font-weight: 400;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.skip-link {
  position: absolute;
  top: -100px; left: 1rem;
  background: var(--color-fg);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 100;
  border-radius: 4px;
}
.skip-link:focus { top: 1rem; }

/* =====================================================================
   BUTTONS
   ===================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-size: 1rem;
  text-decoration: none;
  padding: 1rem 1.75rem;
  border-radius: 4px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #f4ead0;
}
.btn-primary:hover {
  color: #f4ead0;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.btn-ghost {
  background: transparent;
  color: var(--color-fg);
  border: 1px solid var(--color-divider);
}
.btn-ghost:hover {
  color: var(--color-fg);
  background: var(--color-bg-elevated);
  transform: translateY(-1px);
}

/* =====================================================================
   HERO (placeholder)
   ===================================================================== */

.hero {
  padding: 6rem 1.5rem 5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-divider);
  background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg) 100%);
}

.hero-inner {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin: 0.25em 0 0.5em;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--color-fg-muted);
  max-width: 40rem;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .hero { padding: 3rem 1.5rem 2.5rem; }
}

.intro {
  padding: 3rem 1.5rem 4rem;
  max-width: var(--container-narrow);
}

/* =====================================================================
   FOOTER
   ===================================================================== */

.site-footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg-elevated);
  margin-top: 4rem;
}

.site-footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

.site-footer-tagline {
  color: var(--color-fg-muted);
  margin: 0;
  font-size: 0.95rem;
}

.site-footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.site-footer-nav a {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--color-fg-muted);
}
.site-footer-nav a:hover { color: var(--color-fg); }

.site-footer-attribution {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  margin: 0;
  font-style: italic;
}