/* ProyectoInArt — estilos propios inspirados en Twenty Seventeen */

@font-face {
  font-family: "Libre Franklin";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("../fonts/libre-franklin.ttf") format("truetype");
}

:root {
  --color-text: #222;
  --color-muted: #555;
  --color-bg: #fff;
  --color-accent: #339966;
  --color-accent-dark: #008000;
  --color-header-bar: #1a1a1a;
  --color-nav-bg: #fff;
  --color-border: #ddd;
  --font-sans: "Libre Franklin", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1100px;
  --header-height: 52vh;
  --header-min: 280px;
  --header-max: 520px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover,
a:focus-visible {
  color: var(--color-accent-dark);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: #fff;
  z-index: 1000;
  border-radius: 4px;
}

/* —— Header / hero —— */
.site-header {
  position: relative;
}

.hero {
  position: relative;
  height: clamp(var(--header-min), var(--header-height), var(--header-max));
  overflow: hidden;
  background: #2d6b52;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.15) 0%,
    rgba(0, 0, 0, 0.35) 70%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
}

.branding {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(100%, var(--max-width));
  padding: 1.5rem 1.25rem 2rem;
  display: flex;
  align-items: flex-end;
  gap: 1.25rem;
  z-index: 2;
}

.branding__logo {
  flex-shrink: 0;
  width: 100px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}

@media (min-width: 600px) {
  .branding__logo {
    width: 130px;
  }
}

.branding__text {
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.branding__title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.branding__title a {
  color: inherit;
  text-decoration: none;
}

.branding__title a:hover {
  opacity: 0.9;
}

.branding__tagline {
  margin: 0;
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 400;
  opacity: 0.95;
  max-width: 36em;
}

/* —— Navigation —— */
.nav-top {
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.nav-top__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.25rem;
}

.menu-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  margin: 0.5rem 0;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: transparent;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--color-text);
}

.menu-toggle__icon {
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  box-shadow: 0 6px 0 currentColor, 0 -6px 0 currentColor;
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  gap: 0;
}

.main-nav.is-open ul {
  display: flex;
}

@media (min-width: 768px) {
  .main-nav ul {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.15rem;
  }
}

@media (max-width: 767px) {
  .nav-top__inner {
    flex-wrap: wrap;
  }

  .main-nav {
    width: 100%;
    order: 3;
    border-top: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
  }

  .main-nav ul a {
    display: block;
    padding: 0.65rem 0;
  }
}

.main-nav a {
  display: block;
  padding: 0.85rem 1rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-accent);
}

.main-nav a.is-active {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

@media (max-width: 767px) {
  .main-nav a.is-active {
    border-bottom: none;
    background: rgba(51, 153, 102, 0.08);
  }
}

/* —— Main content —— */
.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.page-title {
  margin: 0 0 1.75rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text);
}

.content h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}

.content h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}

.content h4,
.content .lead {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.7;
  margin: 0 0 1.25rem;
}

.content .lead:first-child {
  font-size: 1.15rem;
  color: var(--color-muted);
}

.content p {
  margin: 0 0 1rem;
}

.content ul {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

.content li {
  margin-bottom: 0.65rem;
}

.content .highlight {
  color: var(--color-accent);
  font-weight: 600;
}

.content .highlight-dark {
  color: var(--color-accent-dark);
  font-weight: 600;
}

.content .indent {
  padding-left: 1.5rem;
  border-left: 3px solid rgba(51, 153, 102, 0.35);
  margin-bottom: 1.25rem;
}

.activity-list {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

@media (min-width: 640px) {
  .activity-list {
    grid-template-columns: 1fr 1fr;
  }
}

.activity-card {
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fafafa;
}

.activity-card strong {
  color: var(--color-accent-dark);
  display: block;
  margin-bottom: 0.35rem;
}

/* —— Contact form —— */
.contact-form {
  max-width: 36em;
  margin: 0 0 2.5rem;
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.form-row .required::after {
  content: " *";
  color: #c00;
  font-weight: 400;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font: inherit;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(51, 153, 102, 0.2);
}

.form-row textarea {
  min-height: 160px;
  resize: vertical;
}

.btn-submit {
  display: inline-block;
  padding: 0.75rem 2rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition), transform 0.1s ease;
}

.btn-submit:hover,
.btn-submit:focus-visible {
  background: var(--color-accent-dark);
}

.btn-submit:active {
  transform: translateY(1px);
}

.org-info {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.org-info__name {
  color: var(--color-accent);
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}

.org-info p {
  margin: 0.35rem 0;
  color: var(--color-muted);
}

/* —— Home —— */
.home-content {
  max-width: 42em;
}

.home-cards {
  display: grid;
  gap: 1rem;
  margin: 2.5rem 0 1rem;
}

@media (min-width: 640px) {
  .home-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.home-card {
  display: block;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fafafa;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.15s ease;
}

.home-card:hover,
.home-card:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(51, 153, 102, 0.12);
  transform: translateY(-2px);
  color: inherit;
}

.home-card__title {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 0.35rem;
}

.home-card__desc {
  display: block;
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.home-card--external .home-card__title::after {
  content: " ↗";
  font-size: 0.85em;
  opacity: 0.6;
}

/* —— Footer —— */
.site-footer {
  background: #f3f3f3;
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 1.25rem;
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--color-muted);
}

.site-footer a:hover {
  color: var(--color-accent);
}

/* —— Privacy page —— */
.privacy-content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
}

.privacy-content h3 {
  font-size: 1.15rem;
  margin-top: 1.75rem;
}