/* Collserola Oberta, Segura i Transparent — estilos compartidos */

:root {
  --color-bg: #f6f4ee;
  --color-bg-alt: #ffffff;
  --color-text: #1b2520;
  --color-text-muted: #45524a;
  --color-primary: #1f3d2e;
  --color-primary-dark: #122017;
  --color-secondary: #6f9a7d;
  --color-secondary-light: #e3ede5;
  --color-accent: #a9763f;
  --color-accent-light: #efe6d8;
  --color-border: #d9d4c6;
  --color-success-bg: #e4f1e6;
  --color-success-text: #1f3d2e;
  --color-error-bg: #fbe9e7;
  --color-error-text: #7a2418;
  --focus-color: #d98324;
  --max-width: 1100px;
  --radius: 0.6rem;
  --radius-lg: 1rem;
  font-size: 100%;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

a {
  color: var(--color-primary);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
  border-radius: 0.2rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  background-color: var(--color-primary);
  color: #fff;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.site-header a {
  color: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  line-height: 1.2;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-items: center;
}

.main-nav a {
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 0.3rem;
  font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background-color: rgba(255, 255, 255, 0.12);
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.9rem;
}

.lang-switch a {
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 0.3rem;
  padding: 0.2rem 0.5rem;
  text-decoration: none;
}

.lang-switch a[aria-current="true"] {
  background-color: #fff;
  color: var(--color-primary);
  font-weight: 700;
  border-color: #fff;
}

/* Hero */

.hero {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 2.5rem 0 3rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.hero .subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--color-secondary-light);
  margin: 0 0 1.25rem;
}

.hero p {
  max-width: 42rem;
  color: #f1f3ee;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.hero-secondary {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  font-style: italic;
  color: #e7ece7;
  max-width: 42rem;
}

/* Buttons */

.btn {
  display: inline-block;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  min-height: 3rem;
  text-align: center;
  line-height: 1.3;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #2a1c0c;
}

.btn-primary:hover {
  background-color: #c08c4d;
}

.btn-secondary {
  background-color: transparent;
  color: #fff;
  border-color: #fff;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.btn-submit {
  background-color: var(--color-primary);
  color: #fff;
  width: 100%;
}

.btn-submit:hover {
  background-color: var(--color-primary-dark);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Sections */

main section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

main section:last-of-type {
  border-bottom: none;
}

section h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--color-primary);
  margin-top: 0;
}

.section-intro {
  max-width: 48rem;
}

.note-box {
  background-color: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  max-width: 48rem;
}

.note-box p {
  margin: 0;
}

/* Cards (Què demanem) */

.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
  list-style: none;
  padding: 0;
}

@media (min-width: 600px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--color-primary);
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Posició */

.position-blocks {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
  list-style: none;
  padding: 0;
}

@media (min-width: 700px) {
  .position-blocks {
    grid-template-columns: repeat(3, 1fr);
  }
}

.position-block {
  background-color: var(--color-secondary-light);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-secondary);
}

/* Counter */

.counter {
  background-color: var(--color-secondary-light);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.counter-number {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  line-height: 1.1;
}

.counter-label {
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* Form */

.form {
  max-width: 38rem;
}

.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  min-height: 2.75rem;
}

.form-field input:invalid {
  box-shadow: none;
}

.field-error {
  color: var(--color-error-text);
  font-size: 0.9rem;
  margin-top: 0.3rem;
  display: none;
}

.field-error:not(:empty) {
  display: block;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.form-checkbox input[type="checkbox"] {
  width: 1.35rem;
  height: 1.35rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.form-checkbox label {
  font-size: 0.98rem;
}

.form-checkbox a {
  text-decoration: underline;
}

.turnstile-wrapper {
  margin: 1.25rem 0;
}

.form-message {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  display: none;
}

.form-message:not(:empty) {
  display: block;
}

.form-message.success {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
}

.form-message.error {
  background-color: var(--color-error-bg);
  color: var(--color-error-text);
}

.form-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.form-note-secondary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}

.data-protection {
  max-width: 38rem;
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  background-color: var(--color-secondary-light);
  border-radius: var(--radius);
  border: 1px solid var(--color-secondary);
}

.data-protection h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--color-primary);
}

.data-protection p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.milestones-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 48rem;
}

.milestones-list li {
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-alt);
  border-left: 3px solid var(--color-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.97rem;
}

.share-block {
  max-width: 38rem;
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background-color: var(--color-secondary-light);
  border-radius: var(--radius);
  border: 1px solid var(--color-secondary);
}

.share-intro {
  margin: 0 0 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
}

.share-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.share-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: inherit;
  min-height: 2.5rem;
  line-height: 1.5;
}

.share-link:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
}

.last-updated {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 1.5rem;
}

/* Supporters list */

.supporters-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .supporters-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .supporters-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.supporter-item {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
}

.supporter-name {
  display: block;
  font-weight: 600;
}

.supporter-municipality {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.supporters-empty {
  color: var(--color-text-muted);
}

/* Sources */

.sources-group {
  margin-top: 2rem;
}

.sources-group h3 {
  margin-bottom: 1rem;
  font-size: 1.05rem;
  color: var(--color-primary);
}

.sources-list {
  margin-top: 0;
  padding-left: 1.25rem;
}

.sources-list li {
  margin-bottom: 0.5rem;
}

.sources-list li + li {
  margin-top: 1rem;
}

.sources-list p {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Footer */

.site-footer {
  background-color: var(--color-primary-dark);
  color: #f1f3ee;
  padding: 2rem 0;
}

.site-footer a {
  color: #f1f3ee;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.footer-nav a {
  text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  text-decoration: underline;
}

.footer-note {
  font-size: 0.9rem;
  color: #c7d0c9;
  max-width: 42rem;
}

.footer-lang {
  margin-top: 1rem;
}

/* Visually hidden */

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

/* Privacy page */

.legal-content h2 {
  margin-top: 2rem;
}

.legal-content ul {
  padding-left: 1.25rem;
}

.legal-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}