/* ============================================
   PUBLIC GOOD ALLIANCE
   style.css
   ============================================ */

/* Custom Properties
   ------------------------------------------ */
:root {
  --yellow:  #FFE600;
  --black:   #111111;
  --white:   #F9F9F6;
  --pink:    #FF2D55;
  --blue:    #0047FF;
  --gray:    #EBEBEB;
  --muted:   #6B6B6B;
  --text:    #1A1A1A;

  --font-display: 'Syne', sans-serif;
  --font-body:    'Inter', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --border:   2px solid var(--black);
  --radius:   3px;
  --transition: 180ms ease;

  --max-width: 1280px;
}

/* Reset
   ------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover { color: var(--pink); }

/* Accessibility
   ------------------------------------------ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background: var(--yellow);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: var(--border);
  z-index: 200;
}

.skip-link:focus { top: var(--space-sm); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* Typography
   ------------------------------------------ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(3.5rem, 9vw, 8rem); }
h2 { font-size: clamp(2rem,   5vw, 4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }

p { max-width: 65ch; }

/* Navigation
   ------------------------------------------ */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: var(--border);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav .logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--black);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-nav .logo:hover { color: var(--pink); }

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--black);
  text-decoration: none;
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--pink); }

/* Hero
   ------------------------------------------ */
.hero {
  padding: var(--space-lg) var(--space-md);
  background: var(--yellow);
  border-bottom: var(--border);
}

.hero h1 { color: var(--black); }

.hero .subhead {
  margin-top: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--black);
  max-width: none;
  opacity: 0.7;
}

/* Project Grid
   ------------------------------------------ */
.projects {
  padding: var(--space-lg) var(--space-md);
  border-bottom: var(--border);
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: var(--space-md);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  border: var(--border);
}

.project-card {
  position: relative;
  padding: var(--space-md);
  border-right: var(--border);
  border-bottom: var(--border);
  background: var(--white);
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
}

.stretched-link::after {
  content: '';
  position: absolute;
  inset: 0;
}

.project-card:hover { background: var(--yellow); }

.project-card--placeholder { background: var(--white); }

.project-card--placeholder:hover { background: var(--yellow); }

.card-image--empty {
  background: repeating-linear-gradient(
    -45deg,
    var(--white),
    var(--white) 6px,
    var(--gray) 6px,
    var(--gray) 7px
  );
}

.card-image {
  margin: calc(-1 * var(--space-md)) calc(-1 * var(--space-md)) var(--space-sm);
  aspect-ratio: 16/9;
  border-bottom: var(--border);
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-card h3 {
  margin-bottom: var(--space-xs);
  color: var(--black);
}

.project-card .endorsement {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
  max-width: 52ch;
}

.card-contributor {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.contributor-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--black);
  color: var(--yellow);
  font-family: var(--font-display);
  font-size: 0.55rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0;
  object-fit: cover;
}

.contributor-name {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--font-body);
}

.card-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: auto;
}

.project-card--placeholder .btn-visit {
  margin-top: auto;
}

.btn-visit {
  display: block;
  margin: var(--space-sm) calc(-1 * var(--space-md)) calc(-1 * var(--space-md));
  padding: 0.85rem var(--space-md);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--black);
  text-decoration: none;
  border-top: var(--border);
  background: transparent;
  transition: background var(--transition), color var(--transition);
  text-align: center;
  max-width: none;
}

.btn-visit:hover {
  background: var(--black);
  color: var(--yellow);
  text-decoration: none;
}

.material-symbols-outlined {
  font-size: 1em;
  vertical-align: -0.125em;
  line-height: 1;
}

.tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25em 0.65em;
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius);
}

.tag--action {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}

/* Newsletter / Interest
   ------------------------------------------ */
.newsletter {
  padding: var(--space-lg) var(--space-md);
  background: var(--black);
  border-bottom: var(--border);
}

.newsletter h2 { color: var(--yellow); margin-bottom: var(--space-sm); }

.newsletter .intro {
  color: #AAAAAA;
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
}

.interest-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--space-sm);
  max-width: 900px;
}

.interest-form input {
  min-width: 0;
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  background: #1E1E1E;
  border: 2px solid #333;
  color: var(--white);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition);
}

.interest-form input::placeholder { color: #555; }
.interest-form input:focus { border-color: var(--yellow); }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--yellow);
  color: var(--black);
  border: 2px solid var(--yellow);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn:hover {
  background: var(--pink);
  border-color: var(--pink);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--yellow);
}

.btn-outline:hover {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}

.btn-dark {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-dark:hover {
  background: var(--pink);
  border-color: var(--pink);
}

.form-message {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  font-family: var(--font-display);
  font-weight: 600;
  display: none;
}

.interest-form ~ .form-message.success { color: var(--yellow); }
.contribute-form ~ .form-message.success,
#contribute-message.success               { color: var(--blue); }
.form-message.error                       { color: var(--pink); }

/* Footer
   ------------------------------------------ */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-top: var(--border);
}

.site-footer p,
.site-footer a {
  font-size: 0.82rem;
  color: var(--muted);
  max-width: none;
}

.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--black); }

/* Page Hero (interior pages)
   ------------------------------------------ */
.page-hero {
  padding: var(--space-lg) var(--space-md) var(--space-md);
  border-bottom: var(--border);
  background: var(--yellow);
}

.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--black);
}

.page-hero-sub {
  margin-top: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  color: var(--black);
  opacity: 0.6;
  max-width: none;
}

/* Prose (About, Privacy)
   ------------------------------------------ */
.prose {
  padding: var(--space-lg) var(--space-md);
  max-width: 780px;
}

.prose p {
  font-size: 1.1rem;
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.prose p:last-child { margin-bottom: 0; }

.prose .standout {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--black);
  border-left: 6px solid var(--yellow);
  padding-left: var(--space-sm);
  margin: var(--space-lg) 0;
  max-width: 55ch;
}

.prose .cta-block {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: var(--border);
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Contribute Form
   ------------------------------------------ */
.contribute-section {
  padding: var(--space-lg) var(--space-md);
}

.contribute-section .intro {
  font-size: 1.1rem;
  line-height: 1.75;
  max-width: 60ch;
  margin-bottom: var(--space-lg);
}

.form-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: var(--space-sm);
  max-width: none;
}

.contribute-form {
  max-width: 860px;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--black);
}

label .optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted);
  font-family: var(--font-body);
}

input[type="text"],
input[type="email"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: var(--border);
  background: var(--white);
  color: var(--text);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--blue);
}

textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23111' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-hint {
  font-size: 0.82rem;
  color: var(--muted);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.form-check input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  accent-color: var(--blue);
  cursor: pointer;
}

.form-check label {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  cursor: pointer;
}

.form-hint-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
}

.char-counter {
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  max-width: none;
  transition: color var(--transition);
}

.char-counter--low {
  color: var(--pink);
}

/* Privacy Page
   ------------------------------------------ */
.privacy-prose {
  padding: var(--space-lg) var(--space-md);
  max-width: 680px;
}

.privacy-prose h2 {
  font-size: 1.25rem;
  margin: var(--space-lg) 0 var(--space-sm);
}

.privacy-prose h2:first-of-type { margin-top: 0; }

.privacy-prose p {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.privacy-prose ul {
  margin: var(--space-sm) 0 var(--space-sm) var(--space-md);
}

.privacy-prose li {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: var(--space-xs);
}

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

/* Responsive
   ------------------------------------------ */
@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 5rem;
  }

  .nav-links { gap: var(--space-sm); }

  .projects-grid { grid-template-columns: 1fr; }

  .project-card { border-right: none; }

  .interest-form { grid-template-columns: 1fr; }
  .interest-form .btn { width: 100%; }

  .form-row { grid-template-columns: 1fr; }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .prose .cta-block { flex-direction: column; }
}