/* Friends of Gas Works Park — site styles */

:root {
  --ink: #1f2a2e;
  --ink-soft: #4a575c;
  --paper: #f7f4ef;
  --paper-alt: #ece6dc;
  --rust: #b4532a;
  --rust-dark: #8e3f1e;
  --moss: #4f6b3a;
  --steel: #2e3b40;
  --line: #d8d0c3;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(31, 42, 46, .12);
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--rust-dark); }
a:hover { color: var(--rust); }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.container { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }

.sr-only, .skip-link:not(:focus) {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link:focus { position: fixed; top: .5rem; left: .5rem; z-index: 100; background: #fff; padding: .5rem 1rem; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 600;
  color: var(--rust); margin-bottom: .75rem;
}
.fine { font-size: .9rem; color: var(--ink-soft); }

/* Buttons */
.btn {
  display: inline-block; padding: .85rem 1.5rem; border-radius: 999px;
  background: var(--rust); color: #fff; font-weight: 600; text-decoration: none;
  border: 2px solid var(--rust); transition: background .2s, border-color .2s, transform .2s;
}
.btn:hover { background: var(--rust-dark); border-color: var(--rust-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.8); }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-small { padding: .45rem 1rem; font-size: .9rem; }

/* Campaign bar */
.campaign-bar { background: var(--steel); color: #f1ece4; font-size: .92rem; text-align: center; }
.campaign-bar p { margin: 0; padding: .6rem 1rem; }
.campaign-bar a { color: #f5b38f; font-weight: 600; margin-left: .35rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 244, 239, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.brand img { mix-blend-mode: multiply; }
.site-nav { display: flex; align-items: center; gap: 1.5rem; }
.site-nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; }
.site-nav a:not(.btn):hover { color: var(--rust); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; position: relative; }
.nav-toggle .bar, .nav-toggle .bar::before, .nav-toggle .bar::after {
  content: ""; position: absolute; left: 10px; width: 24px; height: 2px; background: var(--ink); transition: transform .2s;
}
.nav-toggle .bar { top: 21px; }
.nav-toggle .bar::before { left: 0; top: -7px; }
.nav-toggle .bar::after { left: 0; top: 7px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: .5rem 1.25rem 1rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: .65rem 0; width: 100%; border-bottom: 1px solid var(--line); }
  .site-nav .btn { margin-top: .9rem; }
}

/* Hero */
.hero { position: relative; min-height: min(82vh, 760px); display: grid; align-items: end; color: #fff; overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,28,31,.15) 0%, rgba(20,28,31,.55) 55%, rgba(20,28,31,.88) 100%); }
.hero-content { position: relative; padding-block: 5rem 4rem; max-width: 760px; margin-left: max(1.25rem, calc((100% - 1120px) / 2)); }
.hero .eyebrow { color: #f5b38f; }
.lede { font-size: 1.2rem; color: #eae5dc; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.5rem; }

/* Sections */
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-alt { background: var(--paper-alt); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.card { background: #fff; border-radius: var(--radius); padding: 1.6rem 1.75rem; box-shadow: var(--shadow); border-top: 4px solid var(--rust); }
.card:nth-child(2) { border-top-color: var(--moss); }
.card p:last-child { margin: 0; color: var(--ink-soft); }

/* Campaign */
.campaign { background: var(--steel); color: #f1ece4; }
.campaign h2 { color: #fff; }
.campaign .eyebrow { color: #f5b38f; }
.campaign .fine { color: #b9c2c4; margin-top: 1rem; }
.campaign-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.campaign-widget { background: #fff; border-radius: var(--radius); padding: 1rem; box-shadow: 0 20px 50px rgba(0,0,0,.3); min-height: 200px; color: var(--ink); }
@media (max-width: 860px) { .campaign-inner { grid-template-columns: 1fr; } }

/* History */
.prose blockquote {
  margin: 1.5rem 0 0; padding: 1.25rem 1.5rem; background: #fff; border-left: 4px solid var(--rust);
  border-radius: 0 var(--radius) var(--radius) 0; font-family: var(--font-display); font-size: 1.15rem;
}
.prose cite { display: block; margin-top: .75rem; font-family: var(--font-body); font-style: normal; font-size: .85rem; color: var(--ink-soft); }

.timeline { list-style: none; margin: 0; padding: 0 0 0 1.5rem; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 1.4rem 1rem; }
.timeline li::before {
  content: ""; position: absolute; left: calc(-1.5rem - 7px); top: .45rem; width: 12px; height: 12px;
  border-radius: 50%; background: var(--paper); border: 3px solid var(--rust);
}
.timeline .year { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--rust-dark); }
.timeline p { margin: .1rem 0 0; color: var(--ink-soft); }

/* Gallery */
.gallery { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(200px, 40vw), 1fr)); gap: .9rem; }
.gallery a { display: block; border-radius: 10px; overflow: hidden; aspect-ratio: 4 / 3; background: var(--line); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.gallery a:hover img, .gallery a:focus-visible img { transform: scale(1.05); }

.lightbox { border: 0; padding: 0; background: transparent; max-width: min(95vw, 1400px); max-height: 92vh; }
.lightbox::backdrop { background: rgba(10, 14, 16, .88); }
.lightbox img { max-height: 84vh; width: auto; margin: auto; border-radius: 8px; }
.lightbox-caption { color: #eee; text-align: center; margin: .6rem 0 0; }
.lightbox-close {
  position: fixed; top: 1rem; right: 1.25rem; width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: rgba(255,255,255,.15); color: #fff; font-size: 1.8rem; line-height: 1; cursor: pointer;
}

/* Membership */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .8rem; }
.tier { background: #fff; border-radius: var(--radius); padding: 1.1rem; text-align: center; box-shadow: var(--shadow); display: grid; gap: .15rem; }
.tier .amt { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--rust-dark); }
.tier span:last-child { font-size: .85rem; color: var(--ink-soft); }
.tiers-cta { grid-column: 1 / -1; justify-self: start; margin-top: .5rem; }

/* Footer */
.site-footer { background: var(--ink); color: #cfd6d8; padding-block: 3rem; }
.site-footer h2 { color: #fff; font-size: 1.5rem; }
.site-footer a { color: #f5b38f; }
.site-footer address { font-style: normal; }
.site-footer .fine { color: #9aa5a8; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 2rem; }